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IB Acquisition Corp.

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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.

IB Acquisition Corp.

CIK 0001998781IBACIBACR· quarter ending 2026-06-30
Shares outstanding
5,008,229
as of 2026-08-14 · 10-Q cover page, filed 2026-08-14
Held by 13F filers
5,702,961
selection includes debt or preferreds — no % of shares outstanding
Holders
26
+1 vs 2026-03-31 · 1 new, 0 exited
Value
$661K
shares -9.9% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-14, as of 2026-08-14)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockIBAC · NASDAQ5,008,22995,9921.9%544934N108

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
44934N108COM SHS595,9925,008,2291.9%$1.0M—13DGholders →
44934N116COMnot common265,702,961——$661K—13DGholders →

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. 1 further CUSIPs map to this company (mostly bonds) but no 13F filer held them this quarter.

Top holders (26 of 26 · 44934N116)

change vs 2026-03-31
#FilerShares / principal% of classValueChange
1Wealthspring Capital LLC851,160—$98K-7,859 (-0.9%)
2AQR Arbitrage LLC732,521—$87K—
3Mint Tower Capital Management B.V.500,000—$58K—
4Polar Asset Management Partners Inc.500,000—$58K—
5BOOTHBAY FUND MANAGEMENT, LLC462,793—$53K-94 (-0.0%)
6TORONTO DOMINION BANK400,000—$46K-100,000 (-20.0%)
7Westchester Capital Management, LLC349,019—$41K—
8Clear Street Group Inc.203,154—$23K—
9Context Capital Management, LLC200,000—$23K—
10Periscope Capital Inc.197,600—$23K—
11Yakira Capital Management, Inc.197,531—$23K—
12Decagon Asset Management LLP159,411—$18K—
13HIGHBRIDGE CAPITAL MANAGEMENT LLC150,000—$17K-471,421 (-75.9%)
14RIVERNORTH CAPITAL MANAGEMENT, LLC150,000—$16K—
15D. E. Shaw & Co., Inc.150,000—$18K—
16WEXFORD CAPITAL LP139,950—$16K—
17TENOR CAPITAL MANAGEMENT Co., L.P.100,000—$12K—
18SkyView Investment Advisors, LLC75,000—$9K—
19FLOW TRADERS U.S. LLC48,277—$6K-1,031 (-2.1%)
20HEIGHTS CAPITAL MANAGEMENT, INC42,118—$5K-58,061 (-58.0%)
21SUSQUEHANNA INTERNATIONAL GROUP, LLP21,962—$3K-8,810 (-28.6%)
22CONDOR CAPITAL MANAGEMENT20,194—$2K—
23Evercore Wealth Management, LLC19,576—$2K—
24Arax Advisory Partners18,220—$2KNEW
25TWO SIGMA SECURITIES, LLC13,466—$2K-297 (-2.2%)
26UBS Group AG1,009—$116-10 (-1.0%)

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
AQR Arbitrage, LLCSCHEDULE 13G/A2026-04-082026-03-3100%
AQR Capital Management Holdings, LLCSCHEDULE 13G/A2026-04-082026-03-3100%
AQR Capital Management, LLCSCHEDULE 13G/A2026-04-082026-03-3100%
Bank of MontrealSCHEDULE 13G/A2026-02-122025-12-3100%
BANK OF MONTREAL HOLDING INC.SCHEDULE 13G/A2026-02-122025-12-3100%
BMO NESBITT BURNS INC.SCHEDULE 13G/A2026-02-122025-12-3100%
Barclays PLCSCHEDULE 13G/A2026-02-112025-12-3120,0000.34%
Toronto Dominion BankSCHEDULE 13G/A2025-11-142025-09-3000%
TD Group US Holdings LLCSCHEDULE 13G/A2025-11-142025-09-3000%
TD SECURITIES (USA) LLCSCHEDULE 13G/A2025-11-142025-09-3000%
Toronto Dominion Holdings USA Inc.SCHEDULE 13G/A2025-11-142025-09-3000%
KARPUS MANAGEMENT, INC.SCHEDULE 13G/A2025-11-072025-10-3100%
Matthew SimsponSCHEDULE 13G/A2025-10-142025-09-3000%
Wealthspring Capital LLCSCHEDULE 13G/A2025-10-142025-09-3000%
Toronto Dominion Holdings (USA) Inc.SCHEDULE 13G2025-08-122025-06-3000%
Meteora Capital, LLCSCHEDULE 13G2025-02-142024-12-31543,3475.14%
Vik MittalSCHEDULE 13G2025-02-142024-12-31543,3475.14%

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.