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.

Ambiq Micro, Inc.

CIK 0001500412AMBQ· quarter ending 2026-06-30
Shares outstanding
24,184,536
Held by 13F filers
17,491,540
72.3% of shares outstanding
Holders
184
+87 vs 2026-03-31 · 98 new, 11 exited
Value
$1.5B
shares +59.1% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-11, as of 2026-08-07)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockAMBQ · NYSE24,184,53617,491,54072.3%184023193105

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
023193105COMMON STOCK18417,491,54024,184,53672.3%$1.5B4 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 (184 of 184 · 023193105)

change vs 2026-03-31
#FilerShares% of classValueChange
1BlackRock, Inc.1,380,6235.71%$121.9M+367,462 (+36.3%)
2T. Rowe Price Investment Management, Inc.1,006,3594.16%$88.9M-261,192 (-20.6%)
3D. E. Shaw & Co., Inc.983,9164.07%$86.9MNEW
4Atreides Management, LP877,1233.63%$77.4M+14,948 (+1.7%)
5STATE STREET CORP861,9793.56%$76.1M+601,752 (+231.2%)
6VANGUARD CAPITAL MANAGEMENT LLC768,5393.18%$67.9M+61,135 (+8.6%)
7TWO SIGMA INVESTMENTS, LP651,7862.70%$57.6M+614,992 (+1671.4%)
8ALLIANCEBERNSTEIN L.P.609,6072.52%$15.5M-76,491 (-11.1%)
9First Eagle Investment Management, LLC488,7882.02%$43.2M+209,715 (+75.1%)
10GOLDMAN SACHS GROUP INC446,9501.85%$39.5M+33,524 (+8.1%)
11GEODE CAPITAL MANAGEMENT, LLC339,3271.40%$30.0M+41,779 (+14.0%)
12NEEDHAM INVESTMENT MANAGEMENT LLC323,7001.34%$28.6M+123,700 (+61.9%)
13Schonfeld Strategic Advisors LLC315,4551.30%$27.9M-341,097 (-52.0%)
14SILVERCREST ASSET MANAGEMENT GROUP LLC309,0961.28%$27.3M+26,723 (+9.5%)
15JANE STREET GROUP, LLC294,8021.22%$26.0MNEW
16MILLENNIUM MANAGEMENT LLC289,2061.20%$25.5M+111,650 (+62.9%)
17Driehaus Capital Management LLC288,9791.19%$25.5M-91,789 (-24.1%)
18NEUBERGER BERMAN GROUP LLC272,1261.13%$24.0MNEW
19EMERALD ADVISERS, LLC243,6641.01%$21.5MNEW
20HRT FINANCIAL LP225,6390.93%$19.9MNEW
21FRANKLIN RESOURCES INC223,7630.93%$19.8M-318,453 (-58.7%)
22VOLORIDGE INVESTMENT MANAGEMENT, LLC223,2760.92%$19.7MNEW
23COOPER CREEK PARTNERS MANAGEMENT LLC220,0000.91%$19.4MNEW
24RENAISSANCE TECHNOLOGIES LLC214,7560.89%$19.0M+172,156 (+404.1%)
25Walleye Capital LLC214,5280.89%$18.9M+203,099 (+1777.0%)
26BNP PARIBAS FINANCIAL MARKETS204,1810.84%$18.0M+200,292 (+5150.2%)
27BANK OF AMERICA CORP /DE/203,2730.84%$17.9M+155,240 (+323.2%)
28JPMORGAN CHASE & CO200,7900.83%$17.1M+124,271 (+162.4%)
29MORGAN STANLEY182,0070.75%$16.1M+150,602 (+479.5%)
30VANGUARD PORTFOLIO MANAGEMENT LLC169,8900.70%$15.0M+10,989 (+6.9%)
31WELLINGTON MANAGEMENT GROUP LLP168,1390.70%$14.8MNEW
32DEUTSCHE BANK AG\165,3670.68%$14.6M+142,357 (+618.7%)
33GILDER GAGNON HOWE & CO LLC159,6230.66%$14.1M+50,046 (+45.7%)
34EMERALD MUTUAL FUND ADVISERS TRUST159,1310.66%$14.1MNEW
35PRICE T ROWE ASSOCIATES INC /MD/156,9060.65%$13.9M+141,970 (+950.5%)
36SOFTBANK GROUP CORP.148,9390.62%$13.2M—
37Nuveen, LLC138,9650.57%$12.3M+103,244 (+289.0%)
38NORTHERN TRUST CORP130,8020.54%$11.5M+19,955 (+18.0%)
39HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND126,0290.52%$11.1MNEW
40CITADEL ADVISORS LLC122,4250.51%$10.8MNEW
41Hood River Capital Management LLC121,7380.50%$10.7MNEW
42S SQUARED TECHNOLOGY, LLC120,7730.50%$10.7M-72,000 (-37.3%)
43LORD, ABBETT & CO. LLC118,4320.49%$10.5MNEW
44MARSHALL WACE, LLP109,4880.45%$9.7MNEW
45BARCLAYS PLC99,6860.41%$8.8M+94,955 (+2007.1%)
46CHARLES SCHWAB INVESTMENT MANAGEMENT INC98,4490.41%$8.7M+17,382 (+21.4%)
47VANGUARD FIDUCIARY TRUST CO83,1270.34%$7.3M+18,085 (+27.8%)
48WASATCH ADVISORS LP81,5590.34%$7.2M-172,744 (-67.9%)
49Moody Aldrich Partners LLC81,3930.34%$7.2MNEW
50ACADIAN ASSET MANAGEMENT LLC78,9020.33%$7.0MNEW
51Point72 Asset Management, L.P.77,1650.32%$6.8MNEW
52Voleon Capital Management LP75,9800.31%$6.7MNEW
53Public Sector Pension Investment Board75,2000.31%$6.6MNEW
54Ghisallo Capital Management LLC75,0000.31%$6.6M+55,000 (+275.0%)
55Trexquant Investment LP73,6000.30%$6.5MNEW
56SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC66,6970.28%$5.9M-88,900 (-57.1%)
57ALGERT GLOBAL LLC66,0080.27%$5.8MNEW
58Woodline Partners LP64,4840.27%$5.7MNEW
59Squarepoint Ops LLC63,2280.26%$5.6M+54,240 (+603.5%)
60Roubaix Capital, LLC53,2570.22%$4.7M-72,564 (-57.7%)
61Informed Momentum Co LLC50,9680.21%$4.5MNEW
62LMR Partners LLP50,0000.21%$4.4MNEW
63Burkehill Global Management, LP50,0000.21%$4.4MNEW
64TUDOR INVESTMENT CORP ET AL49,5080.20%$4.4MNEW
65Bank of New York Mellon Corp48,6590.20%$4.3M+6,629 (+15.8%)
66FMR LLC44,6340.18%$3.9M+43,871 (+5749.8%)
67READYSTATE ASSET MANAGEMENT LP37,9300.16%$3.3M-3,987 (-9.5%)
68UBS Group AG35,7860.15%$3.2M-130,051 (-78.4%)
69LOS ANGELES CAPITAL MANAGEMENT LLC35,4000.15%$3.1M-57,184 (-61.8%)
70ELEMENT CAPITAL MANAGEMENT LLC34,2570.14%$3.0MNEW
71G2 Investment Partners Management LLC33,0000.14%$2.9MNEW
72SEI INVESTMENTS CO31,4110.13%$2.8MNEW
73JACOBS LEVY EQUITY MANAGEMENT, INC30,1960.12%$2.7MNEW
74TITAN GLOBAL CAPITAL MANAGEMENT USA LLC29,5540.12%$2.6MNEW
75Numerai GP LLC24,1920.10%$2.1MNEW
76AMERIPRISE FINANCIAL INC23,8210.10%$2.1M-12,962 (-35.2%)
77GSA CAPITAL PARTNERS LLP22,8990.09%$2.0MNEW
78TD Asset Management Inc22,7580.09%$2.0M-1,012 (-4.3%)
79KORNITZER CAPITAL MANAGEMENT INC /KS22,0230.09%$1.9M-4,419 (-16.7%)
80RHUMBLINE ADVISERS21,8560.09%$1.9M+7,819 (+55.7%)
81HighTower Advisors, LLC21,7680.09%$1.9M+116 (+0.5%)
82OCCUDO QUANTITATIVE STRATEGIES LP21,3980.09%$1.9MNEW
83CITIGROUP INC21,0010.09%$1.9M+16,707 (+389.1%)
84Toronado Partners, LLC19,2250.08%$1.7M-1,997 (-9.4%)
85AXXCESS WEALTH MANAGEMENT, LLC18,9280.08%$1.7MNEW
86Capital Asset Advisory Services LLC18,9280.08%$1.7M—
87GLENMEDE TRUST CO NA18,3290.08%$1.6MNEW
88WELLS FARGO & COMPANY/MN17,0120.07%$1.5M+10,142 (+147.6%)
89XTX Topco Ltd16,7230.07%$1.5M-8,131 (-32.7%)
90Quadrature Capital Ltd16,4320.07%$1.5M+5,380 (+48.7%)
91ESSEX INVESTMENT MANAGEMENT CO LLC13,6790.06%$1.2M-5,537 (-28.8%)
92Ilex Capital Partners (UK) LLP13,5150.06%$1.2MNEW
93Lighthouse Investment Partners, LLC12,8340.05%$1.1MNEW
94Quantbot Technologies LP12,8320.05%$1.1M-2,324 (-15.3%)
95Russell Investments Group, Ltd.12,2680.05%$1.1M+10,847 (+763.3%)
96STIFEL FINANCIAL CORP12,1120.05%$1.1M-15,583 (-56.3%)
97ENVESTNET ASSET MANAGEMENT INC11,5320.05%$1.0MNEW
98MetLife Investment Management, LLC10,9320.05%$965K+763 (+7.5%)
99FORA Capital, LLC10,9020.05%$963KNEW
100Quantinno Capital Management LP10,8780.04%$961KNEW
101State of Wyoming10,6580.04%$941KNEW
102AMERICAN CENTURY COMPANIES INC10,6300.04%$939KNEW
103Alyeska Investment Group, L.P.10,3290.04%$912K-67,976 (-86.8%)
104Invesco Ltd.10,2050.04%$901KNEW
105ProShare Advisors LLC9,2270.04%$815KNEW
106Spark Investment Management LLC8,8000.04%$777KNEW
107Perpetual Ltd8,6710.04%$766K-7,978 (-47.9%)
108DNB Asset Management AS8,5870.04%$758KNEW
109MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.8,5620.04%$756K+70 (+0.8%)
110Entropy Technologies, LP8,4150.03%$743KNEW
111Jain Global LLC8,0290.03%$709KNEW
112SUSQUEHANNA INTERNATIONAL GROUP, LLP7,7260.03%$682KNEW
113Inspire Investing, LLC7,6400.03%$675K-13,166 (-63.3%)
114BOOTHBAY FUND MANAGEMENT, LLC7,0990.03%$627KNEW
115NEW YORK STATE COMMON RETIREMENT FUND6,9000.03%$609K+5,200 (+305.9%)
116AQR CAPITAL MANAGEMENT LLC6,7790.03%$599KNEW
117SG Americas Securities, LLC6,6880.03%$591KNEW
118PRELUDE CAPITAL MANAGEMENT, LLC6,2920.03%$556KNEW
119AXQ CAPITAL, LP6,1030.03%$539KNEW
120Engineers Gate Manager LP5,9420.02%$525KNEW
121Diametric Capital, LP5,9350.02%$524KNEW
122CANADA PENSION PLAN INVESTMENT BOARD5,5000.02%$486KNEW
123Police & Firemen's Retirement System of New Jersey5,4840.02%$484K+903 (+19.7%)
124Lotus Technology Management, LP5,4430.02%$481KNEW
125STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM5,4360.02%$480KNEW
126INTECH INVESTMENT MANAGEMENT LLC5,2090.02%$460KNEW
127MANUFACTURERS LIFE INSURANCE COMPANY, THE4,9160.02%$434KNEW
128FULLER & THALER ASSET MANAGEMENT, INC.4,8670.02%$430KNEW
129Magnetar Financial LLC4,8650.02%$430KNEW
130KINGSWOOD WEALTH ADVISORS, LLC4,8500.02%$428KNEW
131LPL Financial LLC4,4910.02%$397KNEW
132ROYAL BANK OF CANADA4,4880.02%$397K-7,112 (-61.3%)
133Orion Porfolio Solutions, LLC4,1980.02%$371KNEW
134VOYA INVESTMENT MANAGEMENT LLC3,5900.01%$317KNEW
135BANK OF NOVA SCOTIA3,5000.01%$309KNEW
136Centiva Capital, LP3,4680.01%$306KNEW
137TWO SIGMA SECURITIES, LLC3,3210.01%$293KNEW
138Vanguard Global Advisers, LLC3,0870.01%$273K-44 (-1.4%)
139PRUDENTIAL FINANCIAL INC3,0250.01%$267KNEW
140Resolute Advisors LLC3,0000.01%$265KNEW
141OMERS ADMINISTRATION Corp3,0000.01%$265KNEW
142Calamos Advisors LLC2,7270.01%$241KNEW
143nVerses Capital, LLC2,6750.01%$236KNEW
144Azimuth Capital Investment Management LLC2,6500.01%$234KNEW
145MERCER GLOBAL ADVISORS INC /ADV2,6020.01%$230KNEW
146US BANCORP \DE\2,4990.01%$221KNEW
147Brevan Howard Capital Management LP2,4520.01%$217KNEW
148IMC-Chicago, LLC2,2910.01%$202KNEW
149SBI Securities Co., Ltd.2,0900.01%$185K+1,259 (+151.5%)
150Legal & General Group Plc1,8040.01%$159K+220 (+13.9%)
151Ameritas Investment Partners, Inc.1,6870.01%$149K+205 (+13.8%)
152NATIXIS1,4870.01%$132KNEW
153Aster Capital Management (DIFC) Ltd1,2900.01%$114KNEW
154IFG Advisory, LLC1,1250.00%$99KNEW
155STRS OHIO1,0000.00%$88K+200 (+25.0%)
156GROUP ONE TRADING LLC8830.00%$78KNEW
157Tower Research Capital LLC (TRC)5790.00%$51K-769 (-57.0%)
158CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2540.00%$22K-735 (-74.3%)
159NISA INVESTMENT ADVISORS, LLC2360.00%$21KNEW
160UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2270.00%$20K—
161Arax Advisory Partners2230.00%$20K+218 (+4360.0%)
162Versant Capital Management, Inc1900.00%$17KNEW
163SIMPLEX TRADING, LLC1470.00%$13K+114 (+345.5%)
164Farther Finance Advisors, LLC1390.00%$12K+120 (+631.6%)
165Caitong International Asset Management Co., Ltd1030.00%$9K-89 (-46.4%)
166OSAIC HOLDINGS, INC.1000.00%$9K-235 (-70.1%)
167Kemnay Advisory Services Inc.850.00%$8KNEW
168Sterling Capital Management LLC650.00%$6K-225 (-77.6%)
169Clearstead Advisors, LLC600.00%$5KNEW
170GAMMA Investing LLC500.00%$4K+39 (+354.5%)
171Bare Financial Services, Inc390.00%$3KNEW
172Allworth Financial LP290.00%$3K+22 (+314.3%)
173ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/170.00%$2K—
174Quarry LP150.00%$1KNEW
175ROTHSCHILD INVESTMENT LLC140.00%$1K+13 (+1300.0%)
176Parallel Advisors, LLC130.00%$1KNEW
177FIFTH THIRD BANCORP100.00%$883NEW
178Hughes Financial Services, LLC70.00%$618NEW
179Essential Partners LLC60.00%$530+3 (+100.0%)
180Rialto Wealth Management, LLC60.00%$530NEW
181Avion Wealth50.00%$0NEW
182Pinnacle Wealth Planning Services, Inc.20.00%$177NEW
183Coston, McIsaac & Partners10.00%$0NEW
184EverSource Wealth Advisors, LLC10.00%$88-1 (-50.0%)
Exited since 2026-03-31 (11 filers; largest 11 shown)
Polar Asset Management Partners Inc.−201,335
Monashee Investment Management LLC−103,756
LAZARD ASSET MANAGEMENT LLC−64,247
CenterBook Partners LP−55,568
Aquatic Capital Management LLC−779
Hurley Capital, LLC−200
CWM, LLC−91
MAI Capital Management−20
Rachor Investment Advisory Services, LLC−13
Root Financial Partners, LLC−4
True Wealth Design, LLC−1

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
T. Rowe Price Investment Management, Inc.SCHEDULE 13G/A2026-08-142026-06-301,006,3594.3%
BlackRock, Inc.SCHEDULE 13G2026-07-272026-06-301,264,7925.3%
Kleiner Perkins Caufield & Byers XVI, LLCSCHEDULE 13G2025-11-032025-09-301,439,6677.9%
Kleiner Perkins Select Associates, LLCSCHEDULE 13G2025-11-032025-09-30592,8823.3%
Kleiner Perkins Select Founders Fund, LLCSCHEDULE 13G2025-11-032025-09-3017,0150.1%
Kleiner Perkins Select Fund, LLCSCHEDULE 13G2025-11-032025-09-30575,8673.2%
KPCB XVI Associates, LLCSCHEDULE 13G2025-11-032025-09-301,488,9498.2%
KPCB XVI Founders Fund, LLCSCHEDULE 13G2025-11-032025-09-3049,2820.3%

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.