Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

APOGEE ENTERPRISES, INC.

CIK 0000006845APOG· quarter ending 2026-06-30
Shares outstanding
20,868,294
Held by 13F filers
19,524,450
93.6% of shares outstanding
Holders
237
+17 vs 2026-03-31 · 49 new, 32 exited
Value
$892.6M
shares +0.5% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-06-30, as of 2026-06-25)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockAPOG · NASDAQ20,868,29419,524,45093.6%237037598109

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
037598109COM23719,524,45020,868,29493.6%$892.6M3 call / 3 put13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (237 of 237 · 037598109)

change vs 2026-03-31
#FilerShares% of classValueChange
1BlackRock, Inc.3,399,67116.29%$155.5M+82,126 (+2.5%)
2VANGUARD PORTFOLIO MANAGEMENT LLC1,162,2235.57%$53.2M-378,106 (-24.5%)
3DIMENSIONAL FUND ADVISORS LP1,153,8225.53%$52.8M+90,337 (+8.5%)
4AMERICAN CENTURY COMPANIES INC1,026,6014.92%$47.0M+141,368 (+16.0%)
5VANGUARD CAPITAL MANAGEMENT LLC913,8004.38%$41.8M-27,718 (-2.9%)
6STATE STREET CORP843,1734.04%$38.6M+22,349 (+2.7%)
7AMERIPRISE FINANCIAL INC746,5173.58%$34.1M+409,034 (+121.2%)
8TWO SIGMA INVESTMENTS, LP611,6712.93%$28.0M+45,737 (+8.1%)
9GEODE CAPITAL MANAGEMENT, LLC563,9902.70%$25.8M+24,201 (+4.5%)
10LSV ASSET MANAGEMENT490,0582.35%$22.4M+15,405 (+3.2%)
11MORGAN STANLEY416,6022.00%$19.1M+44,351 (+11.9%)
12CHARLES SCHWAB INVESTMENT MANAGEMENT INC402,7231.93%$18.4M-49,786 (-11.0%)
13JPMORGAN CHASE & CO367,6781.76%$16.9M+111,054 (+43.3%)
14Allianz Asset Management GmbH366,4051.76%$16.8M+12,881 (+3.6%)
15FMR LLC331,7621.59%$15.2M+67,312 (+25.5%)
16ROYCE & ASSOCIATES LP272,0001.30%$12.4M+38,939 (+16.7%)
17NORTHERN TRUST CORP261,1571.25%$11.9M+11,982 (+4.8%)
18FEDERATED HERMES, INC.224,6441.08%$10.3M+1,840 (+0.8%)
19AQR CAPITAL MANAGEMENT LLC192,0890.92%$8.8M+104,406 (+119.1%)
20HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC190,7110.91%$8.7M+10,110 (+5.6%)
21NORGES BANK170,5000.82%$7.8MNEW
22ProShare Advisors LLC170,2890.82%$7.8M-8,889 (-5.0%)
23Invesco Ltd.162,6230.78%$7.4M+2,196 (+1.4%)
24VANGUARD FIDUCIARY TRUST CO140,9950.68%$6.4M+1,546 (+1.1%)
25Qube Research & Technologies Ltd138,0140.66%$6.3M+530 (+0.4%)
26Bank of New York Mellon Corp136,1590.65%$6.2M+1,068 (+0.8%)
27JACOBS LEVY EQUITY MANAGEMENT, INC135,5980.65%$6.2M+63,861 (+89.0%)
28GABELLI FUNDS LLC127,2410.61%$5.8M+73,389 (+136.3%)
29VICTORY CAPITAL MANAGEMENT INC124,0850.59%$5.7M+4,647 (+3.9%)
30Nuveen, LLC122,6090.59%$5.6M+73,738 (+150.9%)
31GRACE & WHITE INC /NY112,5720.54%$5.1M-16,000 (-12.4%)
32GOLDMAN SACHS GROUP INC111,3000.53%$5.1M-18,544 (-14.3%)
33PEREGRINE CAPITAL MANAGEMENT LLC109,4780.52%$5.0M+14,288 (+15.0%)
34PRINCIPAL FINANCIAL GROUP INC102,5580.49%$4.7M-1,988 (-1.9%)
35FRANKLIN RESOURCES INC99,7420.48%$4.6M+65,413 (+190.5%)
36Creative Planning93,8720.45%$4.3M+74,761 (+391.2%)
37UBS Group AG92,2820.44%$4.2M-125,033 (-57.5%)
38BRIDGEWAY CAPITAL MANAGEMENT, LLC84,6050.41%$3.9MNEW
39Pacer Advisors, Inc.84,2240.40%$3.9M+84,149 (+112198.7%)
40LAZARD ASSET MANAGEMENT LLC84,0420.40%$3.8M+3,835 (+4.8%)
41BESSEMER GROUP INC81,2250.39%$3.7M-32 (-0.0%)
42CastleKnight Management LP81,0460.39%$3.7M-72,279 (-47.1%)
43Empowered Funds, LLC79,6400.38%$3.6MNEW
44ISTHMUS PARTNERS, LLC79,0150.38%$3.6M+1,121 (+1.4%)
45ARROWSTREET CAPITAL, LIMITED PARTNERSHIP78,9810.38%$3.6M-407 (-0.5%)
46Point72 Asset Management, L.P.74,1940.36%$3.4M-72,560 (-49.4%)
47Public Sector Pension Investment Board72,8910.35%$3.3M-4,036 (-5.2%)
48VOYA INVESTMENT MANAGEMENT LLC70,1130.34%$3.2M-3,546 (-4.8%)
49SEI INVESTMENTS CO66,9360.32%$3.1M+5,371 (+8.7%)
50MARTINGALE ASSET MANAGEMENT L P64,6760.31%$3.0M+9,151 (+16.5%)
51CSM Advisors, LLC59,5140.29%$2.7M+4,062 (+7.3%)
52BANK OF AMERICA CORP /DE/57,0490.27%$2.6M+23,495 (+70.0%)
53O'SHAUGHNESSY ASSET MANAGEMENT, LLC56,7250.27%$2.6M+47,751 (+532.1%)
54Walleye Capital LLC55,7380.27%$2.5MNEW
55Hillsdale Investment Management Inc.55,1740.26%$2.5MNEW
56RHUMBLINE ADVISERS54,5710.26%$2.5M-8,438 (-13.4%)
57INTECH INVESTMENT MANAGEMENT LLC53,4860.26%$2.4M+674 (+1.3%)
58Universal- Beteiligungs- und Servicegesellschaft mbH52,5780.25%$2.4M+2,036 (+4.0%)
59Y-Intercept (Hong Kong) Ltd51,9280.25%$2.4M+25,194 (+94.2%)
60RENAISSANCE TECHNOLOGIES LLC50,9830.24%$2.3M-139,534 (-73.2%)
61Bruce & Co., Inc.50,0000.24%$2.3M—
62XTX Topco Ltd49,9130.24%$2.3M+2,583 (+5.5%)
63D. E. Shaw & Co., Inc.48,4030.23%$2.2M-44,748 (-48.0%)
64Legal & General Group Plc48,3740.23%$2.2M+411 (+0.9%)
65Squarepoint Ops LLC47,6010.23%$2.2M+7,020 (+17.3%)
66PRUDENTIAL FINANCIAL INC47,0600.23%$2.2M+24,350 (+107.2%)
67Jump Financial, LLC46,8000.22%$2.1M+119 (+0.3%)
68UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC45,1650.22%$2.1M+5,079 (+12.7%)
69Balyasny Asset Management L.P.42,6220.20%$1.9M-40,235 (-48.6%)
70Swiss National Bank41,9000.20%$1.9M—
71Quantinno Capital Management LP39,7960.19%$1.8M+13,277 (+50.1%)
72Jackson Creek Investment Advisors LLC38,5160.18%$1.5MNEW
73North Star Investment Management Corp.37,9500.18%$1.7M—
74PRICE T ROWE ASSOCIATES INC /MD/37,0020.18%$1.7M+5,971 (+19.2%)
75WEDGE CAPITAL MANAGEMENT L L P/NC36,7530.18%$1.7M-5,195 (-12.4%)
76NOMURA ASSET MANAGEMENT INTERNATIONAL INC.36,2000.17%$1.7M—
77Engineers Gate Manager LP35,1330.17%$1.6M-50,283 (-58.9%)
78ExodusPoint Capital Management, LP33,7200.16%$1.5M-4,204 (-11.1%)
79Schonfeld Strategic Advisors LLC33,3230.16%$1.5M+25,335 (+317.2%)
80Russell Investments Group, Ltd.33,0580.16%$1.5M-26,238 (-44.2%)
81Villanova Investment Management Co LLC31,5990.15%$1.4M-4,300 (-12.0%)
82ALLIANCEBERNSTEIN L.P.24,3760.12%$818K-39,100 (-61.6%)
83STOREBRAND ASSET MANAGEMENT AS23,5010.11%$1.1M+382 (+1.7%)
84SUSQUEHANNA INTERNATIONAL GROUP, LLP23,2440.11%$1.1M+13,619 (+141.5%)
85Man Group plc23,1500.11%$1.1MNEW
86US BANCORP \DE\23,0780.11%$1.1M+33 (+0.1%)
87DEUTSCHE BANK AG\22,5500.11%$1.0M+3,454 (+18.1%)
88Corient Private Wealth LP21,8300.10%$999K+10,966 (+100.9%)
89Vanguard Global Advisers, LLC21,4420.10%$981K+634 (+3.0%)
90Horizon Investments, LLC21,3330.10%$969KNEW
91NEW YORK STATE TEACHERS RETIREMENT SYSTEM21,3290.10%$976K+1,340 (+6.7%)
92CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM19,3880.09%$887K-668 (-3.3%)
93WELLS FARGO & COMPANY/MN18,4250.09%$843K+10,077 (+120.7%)
94Headlands Technologies LLC18,1730.09%$831K+1,713 (+10.4%)
95HRT FINANCIAL LP17,8200.09%$815K-56,490 (-76.0%)
96Vident Advisory, LLC17,2850.08%$791K+2,053 (+13.5%)
97State of Tennessee, Department of Treasury16,5040.08%$755K+1,792 (+12.2%)
98TEACHER RETIREMENT SYSTEM OF TEXAS16,5010.08%$755K+9,975 (+152.9%)
99CANADA LIFE ASSURANCE Co16,4600.08%$751K-1,685 (-9.3%)
100Numerai GP LLC16,4230.08%$751K-64,077 (-79.6%)
101CITADEL ADVISORS LLC16,4040.08%$750K-81,210 (-83.2%)
102FIFTH THIRD BANCORP16,0990.08%$736K-1,361 (-7.8%)
103SummerHaven Investment Management, LLC15,9820.08%$731K—
104VOLORIDGE INVESTMENT MANAGEMENT, LLC15,5570.07%$712K-450 (-2.8%)
105Inspire Investing, LLC14,8180.07%$678K-614 (-4.0%)
106BARCLAYS PLC14,7910.07%$677K-7,404 (-33.4%)
107ALLSTATE CORP14,7300.07%$674KNEW
108CITIGROUP INC14,6990.07%$672K+1,372 (+10.3%)
109GAMCO INVESTORS, INC. ET AL14,3320.07%$656K+7,810 (+119.7%)
110PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO14,3190.07%$655K+13,236 (+1222.2%)
111BNP PARIBAS FINANCIAL MARKETS14,0470.07%$643K+5,129 (+57.5%)
112Thrivent Financial for Lutherans13,9350.07%$637K-423 (-2.9%)
113VANGUARD ASSET MANAGEMENT, Ltd13,4390.06%$615K—
114Virtu Financial LLC12,7140.06%$582K-2,181 (-14.6%)
115IEQ CAPITAL, LLC12,1590.06%$556KNEW
116MetLife Investment Management, LLC11,9640.06%$547K+154 (+1.3%)
117Illinois Municipal Retirement Fund11,5760.06%$529K-1,377 (-10.6%)
118WEALTH ENHANCEMENT ADVISORY SERVICES, LLC10,9070.05%$423KNEW
119Jupiter Topco LLC10,6310.05%$486KNEW
120Centiva Capital, LP10,5500.05%$483K-4,857 (-31.5%)
121TUDOR INVESTMENT CORP ET AL10,5230.05%$481K-10,860 (-50.8%)
122PANAGORA ASSET MANAGEMENT INC10,4170.05%$476KNEW
123Odyssean, LLC10,0500.05%$460KNEW
124Marks Group Wealth Management, Inc10,0000.05%$457K—
125Quadrature Capital Ltd9,9570.05%$455K-8,910 (-47.2%)
126MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,7680.05%$447K-163 (-1.6%)
127BOOTHBAY FUND MANAGEMENT, LLC9,7010.05%$444KNEW
128Louisiana State Employees Retirement System9,3000.04%$425K-200 (-2.1%)
129Magnetar Financial LLC9,2070.04%$421KNEW
130Zurcher Kantonalbank (Zurich Cantonalbank)8,8400.04%$404K—
131ROYAL BANK OF CANADA8,3230.04%$381K+7,395 (+796.9%)
132FIRST TRUST ADVISORS LP8,2930.04%$379KNEW
133State of Alaska, Department of Revenue8,1430.04%$371K-3,629 (-30.8%)
134Mariner, LLC7,8280.04%$358KNEW
135VIRGINIA RETIREMENT SYSTEMS ET Al7,7000.04%$352KNEW
136NEW YORK STATE COMMON RETIREMENT FUND7,6860.04%$352K—
137State of Wyoming7,5170.04%$344K+1,982 (+35.8%)
138Zhang Financial LLC7,2330.03%$331K—
139EntryPoint Capital, LLC6,7210.03%$307K-15,432 (-69.7%)
140EXCHANGE TRADED CONCEPTS, LLC6,4680.03%$296K-786 (-10.8%)
141Entropy Technologies, LP6,4400.03%$295K-4,824 (-42.8%)
142HOHIMER WEALTH MANAGEMENT, LLC6,3950.03%$293K+25 (+0.4%)
143PRELUDE CAPITAL MANAGEMENT, LLC6,3110.03%$289K-4,889 (-43.7%)
144Cambria Investment Management, L.P.6,3020.03%$288KNEW
145Tidal Investments LLC6,2970.03%$288KNEW
146STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM6,2670.03%$287K—
147CANADA PENSION PLAN INVESTMENT BOARD6,1000.03%$279K—
148Police & Firemen's Retirement System of New Jersey5,8570.03%$268K—
149MERCER GLOBAL ADVISORS INC /ADV5,8310.03%$267KNEW
150ARIZONA STATE RETIREMENT SYSTEM5,7870.03%$265KNEW
151YOUSIF CAPITAL MANAGEMENT, LLC5,7370.03%$262KNEW
152AMALGAMATED BANK5,7000.03%$261K-483 (-7.8%)
153Gotham Asset Management, LLC5,6590.03%$259KNEW
154MANUFACTURERS LIFE INSURANCE COMPANY, THE5,5760.03%$255KNEW
155TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY5,4250.03%$248K—
156Cerity Partners LLC5,4050.03%$247KNEW
157BURNEY CO/5,4000.03%$247KNEW
158Aigen Investment Management, LP5,0840.02%$233K-3,642 (-41.7%)
159COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS5,0320.02%$230KNEW
160LPL Financial LLC5,0070.02%$229KNEW
161SIMPLEX TRADING, LLC4,8900.02%$224K+4,728 (+2918.5%)
162OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,8620.02%$222K-100 (-2.0%)
163Vanguard Investments Australia, Ltd.4,8220.02%$221K—
164KLP KAPITALFORVALTNING AS4,7000.02%$215K—
165BALLAST ADVISORS LLC4,6670.02%$213K—
166MANGROVE PARTNERS IM, LLC4,5580.02%$208K-11,062 (-70.8%)
167BANK OF MONTREAL /CAN/4,4540.02%$204K-1,728 (-28.0%)
168Grantham, Mayo, Van Otterloo & Co. LLC4,4230.02%$202KNEW
169PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO3,9330.02%$180K—
170Pflug Koory, LLC3,7700.02%$172K—
171New Age Alpha Advisors, LLC3,7180.02%$170KNEW
172NISA INVESTMENT ADVISORS, LLC2,8630.01%$131K+1,198 (+72.0%)
173STRS OHIO2,7000.01%$123KNEW
174GAMMA Investing LLC2,4360.01%$111K+1,098 (+82.1%)
175SG Americas Securities, LLC2,3140.01%$106K-19,402 (-89.3%)
176TD Waterhouse Canada Inc.2,0000.01%$88K—
177Ameritas Investment Partners, Inc.1,7690.01%$81K—
178Tower Research Capital LLC (TRC)1,3860.01%$63K-1,696 (-55.0%)
179HARBOUR INVESTMENTS, INC.1,2660.01%$58K+160 (+14.5%)
180MEEDER ASSET MANAGEMENT INC1,2340.01%$56K—
181PNC Financial Services Group, Inc.1,1130.01%$51K+48 (+4.5%)
182Ensign Peak Advisors, Inc1,1010.01%$50K—
183Arax Advisory Partners1,0520.01%$48K+1,034 (+5744.4%)
184Financial Gravity Companies, Inc.9450.00%$43KNEW
185Ritter Daniher Financial Advisory LLC / DE9360.00%$43K+6 (+0.6%)
186Farther Finance Advisors, LLC8830.00%$41K+48 (+5.7%)
187Quantbot Technologies LP8620.00%$39K-41,174 (-97.9%)
188Parallel Advisors, LLC7850.00%$36K-112 (-12.5%)
189OSAIC HOLDINGS, INC.6400.00%$29K—
190SIGNATUREFD, LLC4790.00%$22KNEW
191Allworth Financial LP4680.00%$21K+409 (+693.2%)
192Sterling Capital Management LLC4270.00%$20K-279 (-39.5%)
193Founders Capital Management4000.00%$18K—
194Pinnacle Wealth Planning Services, Inc.3640.00%$17K+2 (+0.6%)
195Salomon & Ludwin, LLC3550.00%$16K+305 (+610.0%)
196Nykredit A/S3180.00%$15KNEW
197BNP PARIBAS ASSET MANAGEMENT Holding S.A.3080.00%$14K-8 (-2.5%)
198Versant Capital Management, Inc2630.00%$12K—
199HARBOR CAPITAL ADVISORS, INC.2560.00%$12K—
200EverSource Wealth Advisors, LLC2520.00%$12K-53 (-17.4%)
201Covestor Ltd2390.00%$10K+31 (+14.9%)
202Smartleaf Asset Management LLC2070.00%$10K—
203HANTZ FINANCIAL SERVICES, INC.2030.00%$9K+31 (+18.0%)
204IFP Advisors, Inc1870.00%$9K+167 (+835.0%)
205Kilter Group LLC1670.00%$8K—
206AdvisorNet Financial, Inc1490.00%$7K—
207ROTHSCHILD INVESTMENT LLC1400.00%$6K+118 (+536.4%)
208JONES FINANCIAL COMPANIES LLLP1350.00%$7K+41 (+43.6%)
209UMB Bank, n.a.1310.00%$6K+45 (+52.3%)
210Financial Perspectives, Inc1000.00%$5K—
211BARROW HANLEY MEWHINNEY & STRAUSS LLC870.00%$4K—
212MTM Investment Management, LLC500.00%$2K—
213CX Institutional480.00%$2K—
214Quarry LP470.00%$2K-18 (-27.7%)
215SBI Securities Co., Ltd.440.00%$2K—
216Optiver Holding B.V.390.00%$2KNEW
217KELLEHER FINANCIAL ADVISORS380.00%$2KNEW
218Essential Partners LLC340.00%$2K+29 (+580.0%)
219Fortitude Family Office, LLC230.00%$1K—
220Clearstead Advisors, LLC210.00%$961NEW
221Larson Financial Group LLC210.00%$961NEW
222Quent Capital, LLC200.00%$915NEW
223Valued Wealth Advisors LLC190.00%$870NEW
224Rockefeller Capital Management L.P.190.00%$869-5 (-20.8%)
225Keating Financial Advisory Services, Inc.170.00%$778NEW
226Wealth Enhancement Trust Services, Inc.160.00%$732NEW
227Torren Management, LLC140.00%$640—
228FARMERS & MERCHANTS INVESTMENTS INC140.00%$640—
229True Wealth Design, LLC120.00%$549NEW
230MassMutual Private Wealth & Trust, FSB110.00%$503—
231SJS Investment Consulting Inc.100.00%$458NEW
232FIRST HORIZON CORP100.00%$457—
233GILPIN WEALTH MANAGEMENT, LLC60.00%$275-2 (-25.0%)
234JPL Wealth Management, LLC40.00%$183NEW
235JFS WEALTH ADVISORS, LLC40.00%$183NEW
236Cedar Mountain Advisors, LLC30.00%$137—
237Davis Capital Management10.00%$46NEW
Exited since 2026-03-31 (32 filers; largest 25 shown)
SEGALL BRYANT & HAMILL, LLC−478,904
JANE STREET GROUP, LLC−181,345
MILLENNIUM MANAGEMENT LLC−87,462
Trexquant Investment LP−70,037
Moran Wealth Management, LLC−62,829
Aquatic Capital Management LLC−42,156
Brooklyn Investment Group−37,403
STATE OF WISCONSIN INVESTMENT BOARD−32,403
MOODY NATIONAL BANK TRUST DIVISION−20,860
Riverpoint Wealth Management Holdings, LLC−20,754
VARCOV Co.−14,561
HSBC HOLDINGS PLC−14,135
Cambridge Investment Research Advisors, Inc.−12,647
ALPS ADVISORS INC−11,887
JANUS HENDERSON GROUP PLC−10,550
R Squared Ltd−8,649
OXFORD ASSET MANAGEMENT LLP−7,607
nVerses Capital, LLC−6,757
Polymer Capital Management (US) LLC−6,689
CWM, LLC−2,041
Financial Gravity Asset Management, Inc.−945
TD Capital Management LLC−200
Gleason Group, Inc.−109
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC−100
QUADRANT CAPITAL GROUP LLC−64

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Vanguard Portfolio ManagementSCHEDULE 13G/A2026-07-312026-06-301,183,8725.67%
Dimensional Fund Advisors LPSCHEDULE 13G2026-07-142026-06-301,153,8225.5%
Vanguard Capital ManagementSCHEDULE 13G2026-04-292026-03-311,099,6985.11%
BlackRock, Inc.SCHEDULE 13G/A2026-04-242026-03-313,238,89015.1%
The Vanguard GroupSCHEDULE 13G/A2026-03-262026-03-1300%
Victory Capital Management, Inc.SCHEDULE 13G2025-01-282024-12-311,155,9675.27%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.