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IB Acquisition Corp.

IBACR
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001998781

No open-market purchases or sales by IB Acquisition Corp. insiders were filed in the last 90 days; 26 institutions reported holding it in 13F filings for Q2 2026, worth $660.9K in total; no superinvestor holds it.

Other share classesIBAC

13F holders, Q3 2025

Institutional positions in IB Acquisition Corp. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
30
0 vs. Q2 2025
Shares held
8.86M
−112.2K (−1.2%) vs. Q2 2025
Total value
$724.6K
+$334.6K (+85.8%) vs. Q2 2025
New holders
2
4 more added
Sold out
2
7 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IBACR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 30 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 29 institutionsQ3 2024: 30 institutionsQ4 2024: 32 institutionsQ1 2025: 31 institutionsQ2 2025: 31 institutionsQ3 2025: 30 institutionsQ4 2025: 29 institutionsQ1 2026: 25 institutionsQ2 2026: 26 institutions
Value heldQ3 2025: $724.6K
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $636.3KQ3 2024: $691.1KQ4 2024: $631.1KQ1 2025: $623.8KQ2 2025: $397.5KQ3 2025: $724.6KQ4 2025: $629.6KQ1 2026: $687.4KQ2 2026: $660.9K
Institutions holding IBACR and their total value by quarter
QuarterHoldersValue
Q2 202626$660.9K
Q1 202625$687.4K
Q4 202529$629.6K
Q3 202530$724.6K
Q2 202531$397.5K
Q1 202531$623.8K
Q4 202432$631.1K
Q3 202430$691.1K
Q2 202429$636.3K
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding IB Acquisition Corp.; share changes are against Q2 2025.

Institutions holding IBACR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wealthspring Capital LLC929,857$74.4K0.02%−6,500−0.7%Reduced
Meteora Capital, LLC817,547$65.4K0.01%+269,600+49.2%Added
CNH Partners LLC741,594$59.3K0.00%00.0%Unchanged
Highbridge Capital Management LLC615,729$49.3K0.00%−200.0%Reduced
Mint Tower Capital Management B.V.500,000$42.0K0.01%00.0%Unchanged
Polar Asset Management Partners Inc.500,000$41.9K0.00%00.0%Unchanged
Boothbay Fund Management, LLC462,818$39.1K0.00%+250.0%Added
Atw Spac Management LLC462,793$38.7K0.05%00.0%Unchanged
Decagon Asset Management LLP459,411$38.5K0.02%00.0%Unchanged
Bulldog Investors, LLP466,167$37.3K0.01%−10,670−2.2%Reduced
Toronto Dominion Bank408,257$34.3K0.00%−199,247−32.8%Reduced
Westchester Capital Management, LLC349,019$27.9K0.00%00.0%Unchanged
Centiva Capital, LP250,000$20.0K0.00%00.0%Unchanged
Context Capital Management, LLC200,000$16.7K0.00%00.0%Unchanged
Yakira Capital Management, Inc.200,000$16.7K0.01%00.0%Unchanged
Periscope Capital Inc.197,600$16.7K0.00%00.0%Unchanged
Clear Street Group Inc.185,685$15.5K0.00%+185,685New
Heights Capital Management, Inc179,984$14.4K0.00%−65,207−26.6%Reduced
D. E. Shaw & Co., Inc.150,000$12.0K0.00%00.0%Unchanged
Rivernorth Capital Management, LLC150,000$12.0K0.00%00.0%Unchanged
Wexford Capital LP139,950$11.7K0.00%00.0%Unchanged
Tenor Capital Management Co., L.P.100,000$8.37K0.00%00.0%Unchanged
Harraden Circle Investments, LLC100,000$8.37K0.00%00.0%Unchanged
Fifth Lane Capital, LP100,000$8.00K0.01%00.0%Unchanged
SkyView Investment Advisors, LLC75,000$6.00K0.00%00.0%Unchanged
Flow Traders U.S. LLC48,718$4.00K0.00%+5,133+11.8%Added
Susquehanna International Group, LLP38,561$3.08K0.00%−8,949−18.8%Reduced
Condor Capital Management21,686$1.74K0.00%−2,685−11.0%Reduced
Two Sigma Securities, LLC14,013$1.12K0.00%+2,000+16.6%Added
UBS Group AG84$70.00%+84New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−171,252−100.0%Sold out
K2 Principal Fund, L.P.0$00.00%−110,178−100.0%Sold out
Clear Street LLC––––Not filed