Who owns Iron Dome Acquisition I Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IDACU from SEC Form 13F filings across 41 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, 41 institutions disclosed 14.4M shares of Iron Dome Acquisition I Corp. worth $145.5M — about 190001.1% of shares outstanding; the largest disclosed holder is ADAGE CAPITAL PARTNERS GP, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.
41
13F holders
$145.5M
value, 2026 filers
190001.1%
of shares outstanding (14.4M sh)
41
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 IDACU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C.NEW | 1.4M | $13.6M | 0.0% | 17803% | new |
| 2 | Magnetar Financial LLCNEW | 1.0M | $10.1M | 0.1% | 13187.4% | new |
| 3 | Polar Asset Management Partners Inc.NEW | 1.0M | $10.1M | 0.2% | 13187.4% | new |
| 4 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 750,000 | $7.6M | 0.0% | 9890.5% | new |
| 5 | LMR Partners LLPNEW | 650,000 | $6.6M | 0.0% | 8571.8% | new |
| 6 | Linden Advisors LPNEW | 600,000 | $6.1M | 0.0% | 7912.4% | new |
| 7 | MILLENNIUM MANAGEMENT LLCNEW | 600,000 | $6.1M | 0.0% | 7912.4% | new |
| 8 | HEIGHTS CAPITAL MANAGEMENT, INCNEW | 600,000 | $6.1M | 1.4% | 7912.4% | new |
| 9 | Schonfeld Strategic Advisors LLCNEW | 527,392 | $5.3M | 0.0% | 6954.9% | new |
| 10 | TENOR CAPITAL MANAGEMENT Co., L.P.NEW | 500,000 | $5.0M | 0.1% | 6593.7% | new |
| 11 | HGC Investment Management Inc.NEW | 500,000 | $5.0M | 1.0% | 6593.7% | new |
| 12 | MOORE CAPITAL MANAGEMENT, LPNEW | 500,000 | $5.0M | 0.1% | 6593.7% | new |
| 13 | Alberta Investment Management CorpNEW | 500,000 | $5.0M | 0.0% | 6593.7% | new |
| 14 | GLAZER CAPITAL, LLCNEW | 499,268 | $5.0M | 0.1% | 6584% | new |
| 15 | Shaolin Capital Management LLCNEW | 444,058 | $4.5M | 0.2% | 5856% | new |
| 16 | Hudson Bay Capital Management LPNEW | 350,000 | $3.5M | 0.0% | 4615.6% | new |
| 17 | WHITEBOX ADVISORS LLCNEW | 350,000 | $3.5M | 0.0% | 4615.6% | new |
| 18 | BNP PARIBAS FINANCIAL MARKETSNEW | 334,295 | $3.4M | 0.0% | 4408.5% | new |
| 19 | AQR Arbitrage LLCNEW | 315,705 | $3.2M | 0.0% | 4163.3% | new |
| 20 | TORONTO DOMINION BANKNEW | 309,598 | $3.1M | 0.0% | 4082.8% | new |
| 21 | TWO SIGMA INVESTMENTS, LPNEW | 271,875 | $2.7M | 0.0% | 3585.3% | new |
| 22 | Clear Street Group Inc.NEW | 259,600 | $2.6M | 0.0% | 3423.4% | new |
| 23 | BERKLEY W R CORPNEW | 256,800 | $2.6M | 0.1% | 3386.5% | new |
| 24 | Calamos Advisors LLCNEW | 250,000 | $2.5M | 0.0% | 3296.8% | new |
| 25 | PICTON MAHONEY ASSET MANAGEMENTNEW | 200,000 | $2.0M | 0.0% | 2637.5% | new |
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.