Vault-13

IRON DOME ACQUISITION I CORP IDACU

UNIT 02/27/2031 · Unit · CUSIP G4949K120

41 institutional holders
14,407,78614.4m shares reported held*
$145.5mreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.10.

Biggest buyers

ADAGE CAPITAL PARTNERS GP, L.L.C. New +1,350,000+1.4m
Polar Asset Management Partners Inc. New +1,000,000+1.0m
Magnetar Financial LLC New +1,000,000+1.0m
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND New +750,000+750.0k
LMR Partners LLP New +650,000+650.0k
HEIGHTS CAPITAL MANAGEMENT, INC New +600,000+600.0k
Linden Advisors LP New +600,000+600.0k
MILLENNIUM MANAGEMENT LLC New +600,000+600.0k
Schonfeld Strategic Advisors LLC New +527,392+527.4k
MOORE CAPITAL MANAGEMENT, LP New +500,000+500.0k

Biggest sellers

None

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Adage Capital Management, L.P. 13G · institution new · filed 2026-08-12 8.5% new 1.4m 2026-08-12
Polar Asset Management Partners Inc. 13G · institution new · filed 2026-08-14 6.3% new 1.0m 2026-08-14
Magnetar Financial LLC 13G · institution new · filed 2026-08-13 6.3% new 1.0m 2026-08-13

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.02% of their portfolio Boston, MA 1,350,0001.4m $13.6m $13.6m 0.02% New
2 Polar Asset Management Partners Inc. 0.18% of their portfolio TORONTO, A6 1,000,0001.0m $10.1m $10.1m 0.18% New
3 Magnetar Financial LLC 0.09% of their portfolio EVANSTON, IL 1,000,0001.0m $10.1m $10.1m 0.09% New
4 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 750,000750.0k $7.6m $7.6m 0.01% New
5 LMR Partners LLP 0.05% of their portfolio LONDON, X0 650,000650.0k $6.6m $6.6m 0.05% New
6 HEIGHTS CAPITAL MANAGEMENT, INC 1.40% of their portfolio SAN FRANCISCO, CA 600,000600.0k $6.1m $6.1m 1.40% New
7 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 600,000600.0k $6.1m $6.1m 0.00% New
8 Linden Advisors LP 0.03% of their portfolio New York, NY 600,000600.0k $6.1m $6.1m 0.03% New
9 Schonfeld Strategic Advisors LLC 0.03% of their portfolio NEW YORK, NY 527,392527.4k $5.3m $5.3m 0.03% New
10 TENOR CAPITAL MANAGEMENT Co., L.P. 0.07% of their portfolio NEW YORK, NY 500,000500.0k $5.0m $5.0m 0.07% New
11 MOORE CAPITAL MANAGEMENT, LP 0.11% of their portfolio NEW YORK, NY 500,000500.0k $5.0m $5.0m 0.11% New
12 Alberta Investment Management Corp 0.03% of their portfolio EDMONTON, A0 500,000500.0k $5.0m $5.0m 0.03% New
13 HGC Investment Management Inc. 1.00% of their portfolio TORONTO, A6 500,000500.0k $5.0m $5.0m 1.00% New
14 GLAZER CAPITAL, LLC 0.12% of their portfolio New York, NY 499,268499.3k $5.0m $5.0m 0.12% New
15 Shaolin Capital Management LLC 0.25% of their portfolio Miami, FL 444,058444.1k $4.5m $4.5m 0.25% New
16 WHITEBOX ADVISORS LLC 0.06% of their portfolio MINNEAPOLIS, MN 350,000350.0k $3.5m $3.5m 0.06% New
17 Hudson Bay Capital Management LP 0.02% of their portfolio STAMFORD, CT 350,000350.0k $3.5m $3.5m 0.02% New
18 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 334,295334.3k $3.4m $3.4m 0.00% New
19 AQR Arbitrage LLC 0.05% of their portfolio Greenwich, CT 315,705315.7k $3.2m $3.2m 0.05% New
20 TORONTO DOMINION BANK 0.01% of their portfolio TORONTO, ONTARIO, A6 309,598309.6k $3.1m $3.1m 0.01% New
21 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 271,875271.9k $2.7m $2.7m 0.00% New
22 Clear Street Group Inc. 0.01% of their portfolio NEW YORK, NY 259,600259.6k $2.6m $2.6m 0.01% New
23 BERKLEY W R CORP 0.13% of their portfolio Greenwich, CT 256,800256.8k $2.6m $2.6m 0.13% New
24 Calamos Advisors LLC 0.01% of their portfolio NAPERVILLE, IL 250,000250.0k $2.5m $2.5m 0.01% New
25 Westchester Capital Management, LLC 0.10% of their portfolio VALHALLA, NY 200,000200.0k $2.0m $2.0m 0.10% New
26 PICTON MAHONEY ASSET MANAGEMENT 0.02% of their portfolio Toronto, A6 200,000200.0k $2.0m $2.0m 0.02% New
27 Lineage Point Capital LP 0.41% of their portfolio PALM BEACH, FL 200,000200.0k $2.0m $2.0m 0.41% New
28 Periscope Capital Inc. 0.27% of their portfolio Toronto, A6 171,042171.0k $1.7m $1.7m 0.27% New
29 Ghisallo Capital Management LLC 0.03% of their portfolio BOSTON, MA 150,000150.0k $1.5m $1.5m 0.03% New
30 K2 PRINCIPAL FUND, L.P. 0.12% of their portfolio TORONTO, A6 131,528131.5k $1.3m $1.3m 0.12% New
31 Radcliffe Capital Management, L.P. 0.09% of their portfolio BALA CYNWYD, PA 115,500115.5k $1.2m $1.2m 0.09% New
32 ARISTEIA CAPITAL, L.L.C. 0.02% of their portfolio GREENWICH, CT 110,952111.0k $1.1m $1.1m 0.02% New
33 Parallax Volatility Advisers, L.P. 0.02% of their portfolio San Francisco, CA 51,60051.6k $520.9k $520.9k 0.02% New
34 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 50,00050.0k $505.0k $505.0k 0.00% New
35 DELTEC ASSET MANAGEMENT LLC 0.07% of their portfolio New York, NY 50,00050.0k $505.0k $505.0k 0.07% New
36 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 50,00050.0k $504.8k $504.8k 0.00% New
37 Kepos Capital LP 0.69% of their portfolio NEW YORK, NY 50,00050.0k $505.0k $505.0k 0.69% New
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 45,00045.0k $454.3k $454.3k 0.00% New
39 StoneX Group Inc. 0.02% of their portfolio NEW YORK, NY 44,79444.8k $451.8k $451.8k 0.02% New
40 Virtu Financial LLC 0.01% of their portfolio New York, NY 38,77938.8k $391.0k $391.0k 0.01% New
41 ABC ARBITRAGE SA 0.03% of their portfolio PARIS, I0 30,00030.0k $303.0k $303.0k 0.03% New