Security key
74765K105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 64,302,080
- Total 13F value
- $126,030,953
- Share change
- +6,647,772
- Put/Call ratio
- 137%
- SEC-reported price per share
- $1.96
- Number of holders
- 131
- Value change
- +$13,332,090
- Number of buys
- 69
- Number of sells
- 48
- Shares outstanding
- 182,694,067
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
131
Top holders
10
QSI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Previous quarter: Q1 2025
Quantum-Si Inc SEC filings
Quantum-Si Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74765K105
Recent filing periods:
Ownership snapshot
Top reported holders of QSI - Quantum-Si Inc - Common Stock (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
Amova Asset Management Am...
Disclosed value leader
ARK Investment Management...
Comparable rows
15/15
Latest evidence
31 May 2025
13D/G
13F
Lead comparable stake: 4.8%
13D/G row: Amova Asset Management Americas, Inc.
Showing 1-6 of 15 holder rows.
Quick read
Amova Asset Management Americas, Inc. leads the comparable SEC ownership view at 4.8%.
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 Amova Asset Management Americas, Inc.'s linked filing trail.
Comparable ownership
Top 5
Amova Asset Management Americas, ...
4.8%
Sumitomo Mitsui Trust Group, Inc.
4.8%
ARK Investment Management LLC
4.8%
BlackRock, Inc.
5.2%
VANGUARD GROUP INC
3.8%
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 |
|---|---|---|---|---|---|
| Amova Asset Management Americas, Inc. |
13D/G
13F
Nikko Asset Management Americas, Inc. · Company
|
4.8%
|
$7,217,902
5,965,208 shares
|
$0 | 31 Dec 2024 |
| Sumitomo Mitsui Trust Group, Inc. |
13D/G
13F
Company
|
4.8%
|
$7,217,902
5,965,208 shares
|
$0 | 31 Dec 2024 |
| ARK Investment Management LLC |
13D/G
13F
Company
|
4.8%
|
$11,792,099
7,809,337 shares
|
-$1,365,288 | 31 May 2025 |
| BlackRock, Inc. |
13F
Company
|
5.2%
|
$11,328,290
9,440,243 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.8%
|
$8,271,435
6,892,862 shares
|
— | 31 Mar 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
2.2%
|
$4,721,142
3,934,285 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
131
Shares
64,302,080
Rows available
131
| 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 2025 Across Filers
Q1 2025 holders
132
Q2 2025 holders
131
Holder diff
-1
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend