Quartzsea Acquisition Corp - RIGHT 02/18/2030 (QSEAR)

CUSIP: G7314B120

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class
Equity / RIGHT 02/18/2030
Total 13F shares
6,876,701
Total 13F value
$1,892,338
Share change
+6,811,447
SEC-reported price per share
$0.26
Number of holders
15
Value change
+$1,876,024
Number of buys
14

Security key

G7314B120

Report period

Q2 2025

Institutions

15

Top holders

10

QSEAR full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Quartzsea Acquisition Corp SEC filings Quartzsea Acquisition Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of QSEAR - Quartzsea Acquisition Corp - RIGHT 02/18/2030 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Blue Jay Investment LLC
Disclosed value leader
Harraden Circle Investmen...
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G 3/4/5 13F Lead comparable stake: 27% 13D/G row: Blue Jay Investment LLC Showing 1-6 of 15 holder rows.

Quick read

Blue Jay Investment LLC leads the comparable SEC ownership view at 27%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Blue Jay Investment LLC's linked filing trail.
Comparable ownership Top 5
Blue Jay Investment LLC 27%
Feis Equities LLC 9.8%
TD SECURITIES (USA) LLC 2.5%
Harraden Circle Investments, LLC 9.4%
MIZUHO SECURITIES USA LLC 7.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Blue Jay Investment LLC
13D/G 3/4/5
10%+ Owner
13D/G 3/4/5
27%
—
3,129,900 shares
 $0 19 Mar 2025
Feis Equities LLC
13D/G
13D/G
9.8%
$8,229,450
814,797 shares
 $0 18 Mar 2025
TD SECURITIES (USA) LLC
13D/G
13D/G
2.5%
$2,884,978
280,095 shares
 -$3,423,772 30 Jun 2025
Harraden Circle Investments, LLC
13F
Company
13F
9.4%
$10,865,469
1,075,789 shares
 — 31 Mar 2025
MIZUHO SECURITIES USA LLC
13F
Company
13F
7.5%
$8,602,800
856,000 shares
 — 31 Mar 2025
AQR Arbitrage LLC
13F
Company
13F
4.4%
$5,050,000
500,000 shares
 — 31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
15
Shares
6,876,701
Rows available
15
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2026 Across Filers

Q1 2026 holders
16
Q2 2025 holders
15
Holder diff
-1
Investor Q1 2026 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2026 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .