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 OIMAU from SEC Form 13F filings across 13 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, 13 institutions disclosed 4.1M shares of OneIM Acquisition Corp. worth $42.0M — about 14.3% of shares outstanding; the largest disclosed holder is Polar Asset Management Partners Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
13
13F holders
$42.0M
value, 2026 filers
14.3%
of shares outstanding (4.1M sh)
1
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 OIMAU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Polar Asset Management Partners Inc. | 800,000 | $8.1M | 0.1% | 2.8% | 0.0% |
| 2 | BlueCrest Capital Management Ltd | 800,000 | $8.1M | 0.3% | 2.8% | 0.0% |
| 3 | TORONTO DOMINION BANK | 548,394 | $5.6M | 0.0% | 1.9% | -20.5% |
| 4 | HGC Investment Management Inc. | 516,249 | $5.1M | 1.0% | 1.8% | +3.2% |
| 5 | OMERS ADMINISTRATION Corp | 500,000 | $5.1M | 0.0% | 1.7% | 0.0% |
| 6 | LMR Partners LLP | 500,000 | $5.1M | 0.0% | 1.7% | 0.0% |
| 7 | Lineage Point Capital LP | 221,052 | $2.3M | 0.5% | 0.8% | 0.0% |
| 8 | K2 PRINCIPAL FUND, L.P.NEW | 100,000 | $1.0M | 0.1% | 0.3% | new |
| 9 | READYSTATE ASSET MANAGEMENT LP | 62,900 | $639,064 | 0.0% | 0.2% | 0.0% |
| 10 | Longaeva Partners L.P. | 48,691 | $509,064 | 0.0% | 0.2% | -2.6% |
| 11 | HRT FINANCIAL LP | 25,133 | $255,000 | 0.0% | 0.1% | -1.4% |
| 12 | Clear Street Group Inc. | 15,338 | $156,141 | 0.0% | 0.1% | +45.3% |
| 13 | UBS Group AG | 300 | $3,048 | 0.0% | 0% | +200.0% |
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. Research, not investment advice.