- Type / Class
- Equity / Common Stock
- Shares outstanding
- 182,694,067
- Total 13F shares
- 57,702,101
- Share change
- +4,104,001
- Total reported value
- $69,187,968
- Put/Call ratio
- 190%
- Price per share
- $1.20
- Number of holders
- 132
- Value change
- +$4,278,851
- Number of buys
- 76
- Number of sells
- 54
Quarterly Holders Quick Answers
What is CUSIP 74765K105?
CUSIP 74765K105 identifies QSI - Quantum-Si Inc - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 74765K105:
Top shareholders of QSI - Quantum-Si Inc - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| ARK Investment Management LLC |
13F
|
Company |
4.8%
|
8,848,650
|
$23,891,355 | — | 31 Dec 2024 | |
| BlackRock, Inc. |
13F
|
Company |
4.6%
|
8,437,647
|
$22,781,647 | — | 31 Dec 2024 | |
| 2012 JMR Trust Common LLC |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
12,480,108
|
$22,089,791 | — | 10 Jun 2021 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
13D/G
|
Company |
4.8%
from 13D/G
|
5,965,208
|
$16,106,062 | — | 31 Dec 2024 | |
| Amova Asset Management Americas, Inc. |
13F
13D/G
|
Company · Nikko Asset Management Americas, Inc. |
4.8%
from 13D/G
|
5,965,208
|
$16,046,410 | — | 31 Dec 2024 | |
| James B. Tananbaum |
3/4/5
|
Director |
—
class O/S missing
|
8,424,317
|
$14,911,041 | — | 10 Jun 2021 | |
| VANGUARD GROUP INC |
13F
|
Company |
3%
|
5,491,753
|
$14,827,733 | — | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
3,480,468
|
$9,397,263 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
1.3%
|
2,405,019
|
$6,493,551 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.3%
|
2,368,376
|
$6,395,389 | — | 31 Dec 2024 | |
| John Viii Stark |
3/4/5
|
Chief Executive Officer, Director |
—
class O/S missing
|
1,977,368
|
$3,499,941 | — | 10 Jan 2022 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.55%
|
1,002,873
|
$2,707,757 | — | 31 Dec 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.55%
|
1,002,130
|
$2,705,751 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.46%
|
841,146
|
$2,271,095 | — | 31 Dec 2024 | |
| Fosun International Ltd |
13F
|
Company |
0.41%
|
743,935
|
$2,008,625 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
0.32%
|
592,112
|
$1,598,702 | — | 31 Dec 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.3%
|
544,956
|
$1,471,381 | — | 31 Dec 2024 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.2%
|
374,278
|
$1,011,000 | — | 31 Dec 2024 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.17%
|
319,100
|
$861,570 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.17%
|
308,021
|
$831,657 | — | 31 Dec 2024 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.17%
|
306,769
|
$828,000 | — | 31 Dec 2024 | |
| Knollwood Investment Advisory, LLC |
13F
|
Company |
0.16%
|
300,000
|
$810,000 | — | 31 Dec 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.16%
|
296,100
|
$799,470 | — | 31 Dec 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.15%
|
269,807
|
$728,480 | — | 31 Dec 2024 | |
| XTX Topco Ltd |
13F
|
Company |
0.13%
|
245,585
|
$663,080 | — | 31 Dec 2024 | |
| Matthew Dyer |
3/4/5
|
Chief Business Officer |
—
class O/S missing
|
333,393
|
$590,106 | — | 13 Jun 2022 | |
| Shay Capital LLC |
13F
|
Company |
0.12%
|
216,546
|
$584,674 | — | 31 Dec 2024 | |
| GUGGENHEIM CAPITAL LLC |
13F
|
Company |
0.11%
|
199,999
|
$539,998 | — | 31 Dec 2024 | |
| Green Alpha Advisors, LLC |
13F
|
Company |
0.09%
|
158,858
|
$428,917 | — | 31 Dec 2024 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
—
class O/S missing
|
333,333
|
$416,666 | — | 31 Dec 2024 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.08%
|
152,683
|
$412,244 | — | 31 Dec 2024 | |
| BARCLAYS PLC |
13F
|
Company |
0.08%
|
150,616
|
$406,664 | — | 31 Dec 2024 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.08%
|
148,946
|
$402,147 | — | 31 Dec 2024 | |
| Centiva Capital, LP |
13F
|
Company |
0.08%
|
143,176
|
$386,575 | — | 31 Dec 2024 | |
| WOLVERINE TRADING, LLC |
13F
|
Company |
0.06%
|
111,935
|
$372,744 | — | 31 Dec 2024 | |
| Grace Johnston |
3/4/5
|
Chief Commercial Officer |
—
class O/S missing
|
295,940
|
$353,915 | — | 21 Jun 2024 | |
| Pathstone Holdings, LLC |
13F
|
Company |
0.07%
|
128,584
|
$347,177 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.06%
|
111,871
|
$302,052 | — | 31 Dec 2024 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.06%
|
109,114
|
$295,000 | — | 31 Dec 2024 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.06%
|
102,398
|
$276,475 | — | 31 Dec 2024 | |
| CITIGROUP INC |
13F
|
Company |
0.05%
|
90,248
|
$243,670 | — | 31 Dec 2024 | |
| FMR LLC |
13F
|
Company |
0.04%
|
80,321
|
$216,867 | — | 31 Dec 2024 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.04%
|
76,080
|
$205,416 | — | 31 Dec 2024 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.04%
|
71,980
|
$194,346 | — | 31 Dec 2024 | |
| SG Americas Securities, LLC |
13F
|
Company |
0.04%
|
67,588
|
$182,000 | — | 31 Dec 2024 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.03%
|
57,006
|
$153,916 | — | 31 Dec 2024 | |
| INTECH INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.03%
|
50,837
|
$137,260 | — | 31 Dec 2024 | |
| Corebridge Financial, Inc. |
13F
|
Company |
0.03%
|
49,790
|
$134,433 | — | 31 Dec 2024 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.02%
|
44,857
|
$121,114 | — | 31 Dec 2024 | |
| Vikram Bajaj |
3/4/5
|
Director |
—
class O/S missing
|
66,666
|
$117,999 | — | 16 Jun 2022 |
Institutional Holders of Quantum-Si Inc - Common Stock (QSI) as of Q1 2025
As of 31 Mar 2025,
Quantum-Si Inc - Common Stock (QSI) was held by
132 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
57,702,101 shares.
The largest 10 holders included
BlackRock, Inc., ARK Investment Management LLC, VANGUARD GROUP INC, Nikko Asset Management Americas, Inc., Sumitomo Mitsui Trust Group, Inc., MILLENNIUM MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, NORTHERN TRUST CORP, and RENAISSANCE TECHNOLOGIES LLC.
This page lists
135
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
119
Q1 2025 holders
132
Holder diff
13
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.