IB Acquisition Corp.
IBAC- 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; 5 institutions reported holding it in 13F filings for Q2 2026, worth $1.03M in total; no superinvestor holds it.
Other share classesIBACR
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
- 31
- −5 vs. Q2 2025
- Shares held
- 8.28M
- −2.93M (−26.1%) vs. Q2 2025
- Total value
- $87.4M
- −$29.7M (−25.4%) vs. Q2 2025
- New holders
- 5
- 5 more added
- Sold out
- 10
- 9 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 IBAC 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 5 | $1.03M |
| Q1 2026 | 6 | $1.03M |
| Q4 2025 | 12 | $12.3M |
| Q3 2025 | 31 | $87.4M |
| Q2 2025 | 37 | $117.4M |
| Q1 2025 | 40 | $115.4M |
| Q4 2024 | 34 | $110.3M |
| Q3 2024 | 40 | $111.4M |
| Q2 2024 | 38 | $99.8M |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding IB Acquisition Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Karpus Management, Inc. | 2,572,807 | $27.2M | 0.86% | −14,225−0.5% | Reduced |
| CNH Partners LLC | 918,673 | $9.66M | 0.25% | −204,973−18.2% | Reduced |
| Mint Tower Capital Management B.V. | 500,000 | $5.26M | 0.68% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 482,223 | $5.08M | 2.60% | +46,833+10.8% | Added |
| D. E. Shaw & Co., Inc. | 453,878 | $4.77M | 0.00% | 00.0% | Unchanged |
| Mangrove Partners | 450,000 | $4.73M | 0.39% | 00.0% | Unchanged |
| Berkley W R Corp | 405,289 | $4.28M | 0.28% | +377+0.1% | Added |
| Westchester Capital Management, LLC | 349,019 | $3.70M | 0.19% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 246,281 | $2.61M | 1.13% | +81,833+49.8% | Added |
| DLD Asset Management, LP | 240,000 | $2.52M | 0.33% | +240,000 | New |
| Two Sigma Investments, LP | 218,750 | $2.30M | 0.00% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 207,787 | $2.19M | 0.69% | −41,313−16.6% | Reduced |
| Yakira Capital Management, Inc. | 200,000 | $2.10M | 0.78% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 142,708 | $1.51M | 0.09% | −256−0.2% | Reduced |
| Clear Street Group Inc. | 106,100 | $1.12M | 0.01% | +106,100 | New |
| Deltec Asset Management LLC | 100,000 | $1.06M | 0.17% | 00.0% | Unchanged |
| Periscope Capital Inc. | 100,000 | $1.06M | 0.26% | −150,000−60.0% | Reduced |
| Wolverine Asset Management LLC | 100,000 | $1.05M | 0.02% | −606,796−85.9% | Reduced |
| Quarry LP | 100,000 | $1.05M | 0.26% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 100,000 | $1.05M | 0.01% | 00.0% | Unchanged |
| SkyView Investment Advisors, LLC | 75,000 | $794.0K | 0.10% | 00.0% | Unchanged |
| Dakota Wealth Management | 46,950 | $493.9K | 0.01% | −20,050−29.9% | Reduced |
| Wellspring Financial Advisors, LLC | 31,100 | $327.2K | 0.03% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 27,868 | $293.2K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 25,111 | $264.2K | 0.00% | +9,416+60.0% | Added |
| Virtu Financial LLC | 24,750 | $260.0K | 0.01% | +24,750 | New |
| Flow Traders U.S. LLC | 23,069 | $243.0K | 0.01% | +4,301+22.9% | Added |
| PenderFund Capital Management Ltd. | 21,900 | $230.4K | 0.04% | +21,900 | New |
| UBS Group AG | 12,893 | $135.6K | 0.00% | −247−1.9% | Reduced |
| Advisor Group Holdings, Inc. | 300 | $3.17K | 0.00% | +300 | New |
| Morgan Stanley | 20 | $210 | 0.00% | −44−68.8% | Reduced |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −806,352−100.0% | Sold out |
| Wealthspring Capital LLC | 0 | $0 | 0.00% | −657,565−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −111,915−100.0% | Sold out |
| Bulldog Investors, LLP | 0 | $0 | 0.00% | −91,687−100.0% | Sold out |
| Condor Capital Management | 0 | $0 | 0.00% | −24,156−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −12,868−100.0% | Sold out |
| Robinson Capital Management, LLC | 0 | $0 | 0.00% | −12,250−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,072−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |