QSEA · Insider trading · 13F holders · Congress trades
Quartzsea Acquisition Corp (QSEA)
Who is buying and selling QSEA: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
QSEA at a glance
- No open-market insider purchases or sales of QSEA were filed in the last 90 days.
- 2 13F filers hold QSEA among their 50 largest positions, worth $14.2M combined. The biggest bets by portfolio weight are RLH Capital LLC (1.3%) and Berkley W R Corp (0.6%).
- No member of Congress has disclosed a trade in QSEA.
QSEA insider trading
No open-market insider purchases or sales of QSEA were filed in the last 90 days.
Who owns QSEA? Hedge funds and superinvestors
2 13F filers hold QSEA among their 50 largest positions, worth $14.2M combined. The biggest bets by portfolio weight are RLH Capital LLC (1.3%) and Berkley W R Corp (0.6%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Berkley W R CorpInsurance company | 0.6% | $11.5M | 1,094,190 | — | Q2 2026 |
| RLH Capital LLCHedge fund | 1.3% | $2.7M | 252,439 | — | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen QSEA in the grand portfolio →
QSEA stock trades by members of Congress
No member of Congress has disclosed a trade in QSEA.
QSEA questions and answers
Are insiders buying QSEA stock?
No open-market insider purchases or sales of QSEA were filed in the last 90 days.
Which hedge funds own QSEA?
2 13F filers hold QSEA among their 50 largest positions, worth $14.2M combined. The biggest bets by portfolio weight are RLH Capital LLC (1.3%) and Berkley W R Corp (0.6%).
Has Congress traded QSEA?
No member of Congress has disclosed a trade in QSEA.
Who is the largest holder of QSEA?
Among 13F filers, Berkley W R Corp reports the largest QSEA position, $11.5M (1,094,190 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is RLH Capital LLC's: 1.3% of its portfolio.
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