Who owns 1RT Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ONCH from SEC Form 13F filings across 58 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, 58 institutions disclosed 12.6M shares of 1RT Acquisition Corp. worth $128.9M — about 58.4% of shares outstanding; the largest disclosed holder is Meteora Capital, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
58
13F holders
$128.9M
value, 2026 filers
58.4%
of shares outstanding (12.6M sh)
2
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 ONCH's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Meteora Capital, LLC | 1.7M | $17.4M | 1.4% | 7.9% | -0.3% |
| 2 | Linden Advisors LP | 1.0M | $10.3M | 0.1% | 4.7% | 0.0% |
| 3 | Jain Global LLC | 891,221 | $9.1M | 0.0% | 4.1% | 0.0% |
| 4 | Governors Lane LP | 750,000 | $7.7M | 0.6% | 3.5% | 0.0% |
| 5 | J. Goldman & Co LP | 700,000 | $7.2M | 0.2% | 3.2% | 0.0% |
| 6 | MMCAP International Inc. SPC | 600,000 | $6.2M | 0.5% | 2.8% | 0.0% |
| 7 | Verition Fund Management LLC | 529,358 | $5.4M | 0.0% | 2.5% | +53.3% |
| 8 | Polar Asset Management Partners Inc.NEW | 500,000 | $5.1M | 0.1% | 2.3% | new |
| 9 | Radcliffe Capital Management, L.P. | 425,732 | $4.4M | 0.3% | 2% | +10.5% |
| 10 | Saba Capital Management, L.P. | 424,932 | $4.4M | 0.1% | 2% | -19.1% |
| 11 | First Trust Capital Management L.P. | 299,996 | $3.1M | 0.2% | 1.4% | 0.0% |
| 12 | MILLENNIUM MANAGEMENT LLC | 293,200 | $3.0M | 0.0% | 1.4% | 0.0% |
| 13 | WHITEBOX ADVISORS LLC | 260,000 | $2.7M | 0.0% | 1.2% | 0.0% |
| 14 | TENOR CAPITAL MANAGEMENT Co., L.P. | 250,000 | $2.6M | 0.0% | 1.2% | 0.0% |
| 15 | Context Capital Management, LLC | 250,000 | $2.6M | 0.0% | 1.2% | 0.0% |
| 16 | MOORE CAPITAL MANAGEMENT, LP | 250,000 | $2.6M | 0.0% | 1.2% | 0.0% |
| 17 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 250,000 | $2.6M | 0.0% | 1.2% | 0.0% |
| 18 | HBK INVESTMENTS L P | 249,304 | $2.6M | 0.0% | 1.2% | 0.0% |
| 19 | Mint Tower Capital Management B.V. | 200,000 | $2.0M | 0.2% | 0.9% | 0.0% |
| 20 | GLAZER CAPITAL, LLC | 163,000 | $1.7M | 0.0% | 0.8% | +117.3% |
| 21 | SONA ASSET MANAGEMENT (US) LLC | 161,200 | $1.7M | 0.0% | 0.7% | 0.0% |
| 22 | Periscope Capital Inc. | 153,962 | $1.6M | 0.1% | 0.7% | 0.0% |
| 23 | TWO SIGMA INVESTMENTS, LP | 150,624 | $1.5M | 0.0% | 0.7% | 0.0% |
| 24 | Clear Street Group Inc. | 145,412 | $1.5M | 0.0% | 0.7% | +272.5% |
| 25 | Cable Car Capital, LP | 125,000 | $1.3M | 0.0% | 0.6% | 0.0% |
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 · options positioning · supply chain. Research, not investment advice.