Vault-13

CAYSON ACQUISITION CORP CAPN

SHS · Common Stock · CUSIP G1993W109

17 institutional holders +1 vs Q1 2026
3,370,4493.4m shares reported held*
63.7% of all shares outstanding*
$37.1mreported value*
1 new 3 added 3 reduced 0 sold out net bought ≈ $5.3m (+476.0k shares)

* 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. Shares outstanding: 5.3m as of 2026-08-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $11.00.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0102030Q4 24: 30Q1 25: 29Q2 25: 28Q3 25: 30Q4 25: 27Q1 26: 16Q2 26: 1717Q4 24Q2 25Q4 25Q2 26
Numbers
QuarterHolders
Q4 202430
Q1 202529
Q2 202528
Q3 202530
Q4 202527
Q1 202616
Q2 202617

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q1 25: 11 bought or addedQ1 25: 12 cut or sold outQ1 25Q2 25: 10 bought or addedQ2 25: 6 cut or sold outQ2 25Q3 25: 7 bought or addedQ3 25: 5 cut or sold outQ3 25Q4 25: 5 bought or addedQ4 25: 8 cut or sold outQ4 25Q1 26: 6 bought or addedQ1 26: 21 cut or sold outQ1 26Q2 26: 4 bought or addedQ2 26: 3 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q1 20251112
Q2 2025106
Q3 202575
Q4 202558
Q1 2026621
Q2 202643

Biggest buyers

MIZUHO SECURITIES USA LLC Added +475,500+475.5k
TORONTO DOMINION BANK New +49,900+49.9k
WOLVERINE ASSET MANAGEMENT LLC Added +1,015+1.0k
Polar Asset Management Partners Inc. Added +100+100

Biggest sellers

RLH Capital LLC Reduced -50,000-50.0k
HEIGHTS CAPITAL MANAGEMENT, INC Reduced -469-469
MORGAN STANLEY Reduced -3-3

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
Feis Equities LLC 13G · passive investor +4.7 pts · filed 2026-02-02 9.8% +4.7 pts 769.5k≈ $6.3m 2026-02-02
BERKLEY W R CORP 13G · institution -1.0 pts · filed 2026-05-07 9.4% -1.0 pts 997.3k≈ $6.0m 2026-05-07
MIZUHO FINANCIAL GROUP INC 13G · institution -0.6 pts · filed 2025-08-13 9.0% -0.6 pts 704.5k≈ $5.8m 2025-08-13
Polar Asset Management Partners Inc. 13G · institution new · filed 2026-05-15 5.2% new 275.0k≈ $3.0m 2026-05-15

Fell to 5% or below in the last year: WOLVERINE ASSET MANAGEMENT LLC (3.1%, 2026-10-06), PROPPER KERRY (0.0%, 2026-05-15)

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 MIZUHO SECURITIES USA LLC 0.10% of their portfolio NEW YORK, NY 951,400951.4k $10.3m $10.3m 0.10% Added +475.5k +475,500
2 BERKLEY W R CORP 0.27% of their portfolio Greenwich, CT 497,282497.3k $5.5m $5.5m 0.27% Unchanged
3 RIVERNORTH CAPITAL MANAGEMENT, LLC 0.24% of their portfolio WEST PALM BEACH, FL 450,000450.0k $5.0m $5.0m 0.24% Unchanged
4 WOLVERINE ASSET MANAGEMENT LLC 0.04% of their portfolio CHICAGO, IL 276,715276.7k $3.1m $3.1m 0.04% Added +1.0k +1,015
5 Polar Asset Management Partners Inc. 0.06% of their portfolio TORONTO, A6 275,100275.1k $3.0m $3.0m 0.06% Added +100 +100
6 Shaolin Capital Management LLC 0.14% of their portfolio Miami, FL 223,900223.9k $2.5m $2.5m 0.14% Unchanged
7 AQR Arbitrage LLC 0.03% of their portfolio Greenwich, CT 184,373184.4k $2.0m $2.0m 0.03% Unchanged
8 HEIGHTS CAPITAL MANAGEMENT, INC 0.38% of their portfolio SAN FRANCISCO, CA 149,531149.5k $1.7m $1.7m 0.38% Reduced -469 -469
9 Clear Street Group Inc. 0.00% of their portfolio NEW YORK, NY 141,837141.8k $1.6m $1.6m 0.00% Unchanged
10 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 63,39463.4k $699.9k $699.9k 0.00% Unchanged
11 RLH Capital LLC 0.30% of their portfolio Great Neck, NY 56,21856.2k $622.9k $622.9k 0.30% Reduced -50.0k -50,000
12 TORONTO DOMINION BANK 0.00% of their portfolio TORONTO, ONTARIO, A6 49,90049.9k $550.4k $550.4k 0.00% New
13 Harraden Circle Investments, LLC 0.04% of their portfolio NEW YORK, NY 26,66126.7k $294.1k $294.1k 0.04% Unchanged
14 Quarry LP 0.03% of their portfolio NEW YORK, NY 14,50014.5k $160.7k $160.7k 0.03% Unchanged
15 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 9,2039.2k $101.6k $101.6k 0.00% Unchanged
16 UBS Group AG 0.00% of their portfolio ZURICH, V8 370370 $4.1k $4.1k 0.00% Unchanged
17 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 6565 $718 $718 0.00% Reduced -3 -3