Latest Period
Q1 2026
Security Snapshot
Quartzsea Acquisition Corp - Common Shares (QSEAU) Institutional Ownership
CUSIP: G7314B112
13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026
Institutions Reporting
2
Shares (Excl. Options)
158,794
Price
$10.40
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Shares
- Symbol
- QSEAU on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 158,794
- Total 13F value
- $1,665,369
- Portfolio coverage rank
- 0%
- Share change
- +328
- Value change
- +$3,441
- Number of holders
- 2
- Shares outstanding
- 11,460,304
- SEC-reported price per share
- $10.45
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- QSEAU - Quartzsea Acquisition Corp - Common Shares is tracked under CUSIP G7314B112.
- 2 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 2 to 2 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,652,540 to $1,665,369.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 2 institutions filings for Q1 2026.
Security key
G7314B112
Latest holder period
Q1 2026
13F holders
2
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
QSEAU full holder history
Quartzsea Acquisition Corp SEC filings
Quartzsea Acquisition Corp company facts
Quartzsea Acquisition Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G7314B112:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
QSEAU
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Feis Equities LLC | 9.8% | $8,229,450 | 814,797 | Feis Equities LLC | 18 Mar 2025 | |||
| MIZUHO FINANCIAL GROUP INC | 5.6% | -38% | $6,610,303 | -$2,206,497 | 641,777 | -25% | Mizuho Financial Group, Inc. | 30 Sep 2025 |
| TD SECURITIES (USA) LLC | 2.5% | -70% | $2,884,978 | -$3,423,772 | 280,095 | -54% | TD SECURITIES (USA) LLC | 30 Jun 2025 |
As of 31 Mar 2026, 2 institutional investors reported holding 158,794 shares of Quartzsea Acquisition Corp - Common Shares (QSEAU). This represents 1.4% of the company’s total 11,460,304 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 158,794 | $1,665,369 | +$3,441 | $10.40 | 2 |
| 2025 Q4 | 158,466 | $1,652,540 | -$1,033,957 | $10.36 | 2 |
| 2025 Q3 | 260,838 | $2,681,403 | -$4,016,042 | $10.10 | 3 |
| 2025 Q2 | 648,818 | $6,679,889 | -$46,266,789 | $10.30 | 3 |
| 2025 Q1 | 6,084,748 | $61,413,078 | +$61,413,078 | $10.10 | 20 |