Who owns OneIM Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OIM from SEC Form 13F filings across 48 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 48 institutions disclosed 21.9M shares of OneIM Acquisition Corp. worth $220.2M — about 75.3% of shares outstanding; the largest disclosed holder is ADAGE CAPITAL PARTNERS GP, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.
48
13F holders
$220.2M
value, 2026 filers
75.3%
of shares outstanding (21.9M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of OIM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.3M | $22.7M | 0.0% | 7.7% | 0.0% |
| 2 | Sculptor Capital LP | 1.5M | $14.7M | 0.1% | 5% | 0.0% |
| 3 | Empyrean Capital Partners, LPNEW | 1.4M | $13.7M | 0.5% | 4.7% | new |
| 4 | MOORE CAPITAL MANAGEMENT, LP | 1.1M | $11.1M | 0.2% | 3.8% | 0.0% |
| 5 | Saba Capital Management, L.P. | 1.0M | $10.1M | 0.3% | 3.4% | -33.7% |
| 6 | Linden Advisors LP | 1.0M | $10.1M | 0.1% | 3.4% | 0.0% |
| 7 | Alberta Investment Management Corp | 1.0M | $10.1M | 0.1% | 3.4% | 0.0% |
| 8 | MILLENNIUM MANAGEMENT LLC | 952,000 | $9.6M | 0.0% | 3.3% | +376.0% |
| 9 | Verition Fund Management LLC | 773,887 | $7.8M | 0.0% | 2.7% | +1.0% |
| 10 | D. E. Shaw & Co., Inc. | 750,000 | $7.6M | 0.0% | 2.6% | 0.0% |
| 11 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 750,000 | $7.6M | 0.0% | 2.6% | -40.0% |
| 12 | DEUTSCHE BANK AG\ | 720,226 | $7.3M | 0.0% | 2.5% | +188.1% |
| 13 | Fort Baker Capital Management LP | 702,992 | $7.1M | 0.5% | 2.4% | 0.0% |
| 14 | Meteora Capital, LLC | 671,691 | $6.8M | 0.6% | 2.3% | -6.1% |
| 15 | HBK INVESTMENTS L P | 500,004 | $5.0M | 0.0% | 1.7% | 0.0% |
| 16 | O'Connor Alternative Investments LLC | 500,000 | $5.0M | 0.4% | 1.7% | 0.0% |
| 17 | TWO SIGMA INVESTMENTS, LP | 415,363 | $4.2M | 0.0% | 1.4% | 0.0% |
| 18 | TENOR CAPITAL MANAGEMENT Co., L.P. | 400,000 | $4.0M | 0.1% | 1.4% | 0.0% |
| 19 | Ghisallo Capital Management LLC | 400,000 | $4.0M | 0.1% | 1.4% | 0.0% |
| 20 | SONA ASSET MANAGEMENT (US) LLC | 400,000 | $4.0M | 0.1% | 1.4% | 0.0% |
| 21 | Magnetar Financial LLC | 399,990 | $4.0M | 0.0% | 1.4% | 0.0% |
| 22 | AQR Arbitrage LLC | 322,878 | $3.3M | 0.0% | 1.1% | -33.7% |
| 23 | Periscope Capital Inc. | 300,000 | $3.0M | 0.3% | 1% | +20.0% |
| 24 | Park West Asset Management LLC | 300,000 | $3.0M | 0.2% | 1% | 0.0% |
| 25 | HGC Investment Management Inc. | 297,803 | $3.0M | 0.6% | 1% | +204.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.