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, Q1 2026
Institutional positions in IB Acquisition Corp. as of Mar 31, 2026. 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
- 6
- −6 vs. Q4 2025
- Shares held
- 96.4K
- −1.08M (−91.8%) vs. Q4 2025
- Total value
- $1.03M
- −$11.3M (−91.7%) vs. Q4 2025
- New holders
- 1
- 0 more added
- Sold out
- 7
- 5 more reduced
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding IB Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HRT Financial LP | 36,947 | $393.0K | 0.00% | −2,097−5.4% | Reduced |
| Flow Traders U.S. LLC | 23,973 | $256.0K | 0.01% | −1,093−4.4% | Reduced |
| Jane Street Group, LLC | 20,373 | $217.2K | 0.00% | +20,373 | New |
| Clear Street Group Inc. | 15,000 | $159.9K | 0.00% | −83,411−84.8% | Reduced |
| Morgan Stanley | 51 | $544 | 0.00% | −11−17.7% | Reduced |
| UBS Group AG | 41 | $437 | 0.00% | −6,351−99.4% | Reduced |
| CNH Partners LLC | 0 | $0 | 0.00% | −688,646−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −140,000−100.0% | Sold out |
| Crossingbridge Advisors, LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −42,298−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −27,866−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −18,172−100.0% | Sold out |