StockData

IB Acquisition Corp. (IBACR) shareholders

IBACRNasdaqServices-Commercial Physical & Biological ResearchFiscal year ends September 30Also trades as IBAC
Financials through Q3 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 5/30
$0.10−0.00 (-3.50%)

Close on Oct 30, 2026Market cap $54.39MP/E –Yield –

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
6M
Shares held, 13F filers
Institutional holders
25
1 new, 0 sold out
Net institutional buying
-1M
In Q2 2026
Insider trades, 12 months
0 buys · 11 sales
Net sold $3.67M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Shelley Leonard
Joint filing with I-B Good Works 4, LLC (5.00%)
2,837,5765.00%13D (active)Mar 28, 2024
James Michael McCrory1,016,5145.00%13D (active)Mar 28, 2024
AQR Capital Management, LLC
Joint filing with AQR Capital Management Holdings, LLC (12.00%), AQR Arbitrage, LLC (12.00%)
688,64612.00%13G (passive) amendmentDec 31, 2025
Vik Mittal
Joint filing with Meteora Capital, LLC (5.14%)
543,3475.14%13G (passive)Dec 31, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of IBACRValueChange% of portfolio
Wealthspring Capital LLC851,160–$97.88K−7,8590.02%
AQR Arbitrage LLC732,521–$86.80K–0.00%
Mint Tower Capital Management B.V.500,000–$58.00K–0.01%
Polar Asset Management Partners Inc.500,000–$57.50K–0.00%
Boothbay Fund Management, LLC462,793–$53.22K−940.00%
Toronto Dominion Bank400,000–$46.00K−100,0000.00%
Westchester Capital Management, LLC349,019–$41.36K–0.00%
Clear Street Group Inc.203,154–$23.36K–0.00%
Context Capital Management, LLC200,000–$23.00K–0.00%
Periscope Capital Inc.197,600–$22.72K–0.00%
Yakira Capital Management, Inc.197,531–$22.72K–0.01%
Decagon Asset Management LLP159,411–$18.33K–0.00%
Rivernorth Capital Management, LLC150,000–$16.46K–0.00%
D. E. Shaw & Co., Inc.150,000–$17.78K–0.00%
Highbridge Capital Management LLC150,000–$17.25K−471,4210.00%
Wexford Capital LP139,950–$16.09K–0.00%
TENOR CAPITAL MANAGEMENT Co., L.P.100,000–$11.50K–0.00%
Flow Traders U.S. LLC48,277–$6.00K−1,0310.00%
Heights Capital Management, Inc42,118–$4.99K−58,0610.00%
Susquehanna International Group, Llp21,962–$2.60K−8,8100.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares heldNew / addedReduced / closedShares boughtShares sold
Q2 2026256M1 / 09 / 00M1M
Q1 2026256M0 / 410 / 40M2M
Q4 2025298M1 / 34 / 10M0M
Q3 2025309M2 / 47 / 20M1M
Q2 2025319M1 / 45 / 01M0M
Q1 2025319M0 / 44 / 10M0M
Q4 2024329M6 / 26 / 41M1M
Q3 2024309M3 / 46 / 11M0M
Q2 2024298M29 / 00 / 08M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

3 funds held IBACR in Q2 2026, 0% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.

FundShares% of IBACRValue% of fundAs of
The Merger Fund344,716–$40.85K0.00%Jun 30, 2026
AQR Diversified Arbitrage Fund43,870–$5.20K0.00%Jun 30, 2026
The Merger Fund VL4,303–$5100.00%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares ownedLatest filing
Arbitrage LLC AQR10% owner349,027Mar 25, 2026
Capital Management Llc Aqr10% owner0Mar 25, 2026
AQR Capital Management Holdings, LLC10% owner888,852Mar 25, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−10,377$10.80$112.07K10,811
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−26,410$10.80$285.23K27,515
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−1,059$10.80$11.44K1,103
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−29,888$10.80$322.79K31,140
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−138,005$10.80$1.49M143,785
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−25,087$10.80$270.94K26,138
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−1,623$10.80$17.53K1,690
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−56,145$10.80$606.37K58,496
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−40,144$10.80$433.56K41,825
Arbitrage LLC AQR
10% owner
Mar 23, 2026Sale−6,262$10.80$67.63K6,524
Capital Management Llc Aqr
10% owner
Mar 20, 2026Sale−4,619$10.75$49.65K0
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−3,635$10.44$37.95K12,786
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−17,352$10.44$181.15K61,028
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−15,332$10.44$160.07K53,925
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−14,565$10.44$152.06K51,225
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−6,025$10.44$62.90K21,188
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−23,306$10.44$243.31K81,969
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−1,313$10.44$13.71K4,619
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−943$10.44$9.84K3,313
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−615$10.44$6.42K2,162
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−80,123$10.44$836.48K281,790
Arbitrage LLC AQR
10% owner
Oct 9, 2025Sale−32,597$10.44$340.31K114,641
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−327$10.50$3.43K65,790
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−21$10.50$2214,256
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−30$10.50$3155,932
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−82$10.50$86116,421
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−135$10.50$1.42K27,213
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−14$10.50$1472,777
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−345$10.50$3.62K69,257
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−390$10.50$4.10K78,380
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−524$10.50$5.50K105,275
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−732$10.50$7.69K147,238
Arbitrage LLC AQR
10% owner
Oct 2, 2025Sale−1,800$10.50$18.90K361,913
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−200$10.50$2.10K5,962
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−554$10.50$5.82K16,503
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−917$10.50$9.63K27,348
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−2,218$10.50$23.29K66,117
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−94$10.50$9872,791
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−143$10.50$1.50K4,277
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−4,964$10.50$52.12K147,970
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−12,203$10.50$128.13K363,713
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−3,550$10.50$37.28K105,799
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−2,643$10.50$27.75K78,770
AQR Capital Management Holdings, LLC
10% owner
Oct 1, 2025Sale−2,335$10.50$24.52K69,602
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−488$10.51$5.13K6,162
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−349$10.51$3.67K4,420
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−228$10.51$2.40K2,885
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−29,734$10.51$312.50K375,916
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−8,649$10.51$90.90K109,349
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−6,440$10.51$67.68K81,413
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−5,690$10.51$59.80K71,937
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−5,405$10.51$56.81K68,335
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−2,235$10.51$23.49K28,265
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−1,349$10.51$14.18K17,057
AQR Capital Management Holdings, LLC
10% owner
Sep 30, 2025Sale−12,097$10.51$127.14K152,934
AQR Capital Management Holdings, LLC
10% owner
Sep 29, 2025Sale−3,763$10.50$39.51K30,500
AQR Capital Management Holdings, LLC
10% owner
Sep 29, 2025Sale−9,098$10.50$95.53K73,740
AQR Capital Management Holdings, LLC
10% owner
Sep 29, 2025Sale−14,558$10.50$152.86K117,998
AQR Capital Management Holdings, LLC
10% owner
Sep 29, 2025Sale−20,361$10.50$213.79K165,031
AQR Capital Management Holdings, LLC
10% owner
Sep 29, 2025Sale−384$10.50$4.03K3,113

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Short interest

Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)

Short % of shares outstanding
–
0M shares short
Days to cover
4.1
At 0M shares a day
Change since last report
0.0%
From 0M shares
Short volume, 20 days
37.1%
Of volume reported to FINRA

Shares sold short, last 12 months

Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of IB Acquisition's stock actually held short. Settlement fails (shares not delivered on time) peaked at 1,171 shares on Sep 24, 2026 over the last 90 days.