What does CUSIP 74765K105 represent in this 13F holders report?

CUSIP 74765K105 is the security identifier for QSI - Quantum-Si Inc - Common Stock used to aggregate holder disclosures.

How many institutions held QSI - Quantum-Si Inc - Common Stock in Q1 2022?

86 institutional investors reported QSI - Quantum-Si Inc - Common Stock for Q1 2022. Use the holders table for investor-level position and value details.

Quantum-Si Inc - Common Stock (QSI)

CUSIP: 74765K105

Q1 2022 13F Holders as of 31 Mar 2022

Type / Class: Equity / Common Stock
Shares outstanding: 182,694,067
Total 13F shares: 45,913,518
Share change: -1,221,682
Total reported value: $214,907,059
Put/Call ratio: 19%
Price per share: $4.68
Number of holders: 86
Value change: -$18,856,558
Number of buys: 47
Number of sells: 39

Quarterly Holders Quick Answers

What is CUSIP 74765K105?
CUSIP 74765K105 identifies QSI - Quantum-Si Inc - Common Stock in SEC institutional holdings data.

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Back to full security ownership history for the broader multi-quarter picture.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2022
Previous quarter: Q4 2021

Recent filing periods for CUSIP 74765K105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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	7.2%	13,067,150	$102,838,000	—	31 Dec 2021	13F
GLENVIEW CAPITAL MANAGEMENT, LLC	13F	Company	3.3%	6,000,000	$47,220,000	—	31 Dec 2021	13F
Foresite Capital Management IV, LLC	13F	Company	2.4%	4,463,619	$35,129,000	—	31 Dec 2021	13F
2012 JMR Trust Common LLC	3/4/5	10%+ Owner	— class O/S missing	12,480,108	$22,089,791	—	10 Jun 2021	3/4/5
Capital International Investors	13F	Company	1.4%	2,500,000	$19,675,000	—	31 Dec 2021	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.3%	2,359,250	$18,567,000	—	31 Dec 2021	13F
Foresite Capital Management V, LLC	13F	Company	1.3%	2,342,061	$18,432,000	—	31 Dec 2021	13F
James B. Tananbaum	3/4/5	Director	— class O/S missing	8,424,317	$14,911,041	—	10 Jun 2021	3/4/5
VANGUARD GROUP INC	13F	Company	0.98%	1,799,315	$14,161,000	—	31 Dec 2021	13F
Foresite Capital Opportunity Management V, LLC	13F	Company	0.87%	1,598,125	$12,577,000	—	31 Dec 2021	13F
BlackRock Finance, Inc.	13F	Company	0.84%	1,532,702	$12,062,000	—	31 Dec 2021	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	— mixed-class rows	1,733,333 mixed-class rows	$11,618,000	—	31 Dec 2021	13F
Amova Asset Management Americas, Inc.	13F	Company	0.72%	1,307,420	$10,472,000	—	31 Dec 2021	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.72%	1,307,420	$10,289,000	—	31 Dec 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.42%	766,910	$6,035,000	—	31 Dec 2021	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.41%	745,169	$5,864,000	—	31 Dec 2021	13F
Fosun International Ltd	13F	Company	0.41%	743,935	$5,855,000	—	31 Dec 2021	13F
Rubric Capital Management LP	13F	Company	0.37%	672,385	$5,292,000	—	31 Dec 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.29%	525,883	$4,138,000	—	31 Dec 2021	13F
Alyeska Investment Group, L.P.	13F	Company	0.27%	501,756	$3,949,000	—	31 Dec 2021	13F
Neumann Advisory Hong Kong Ltd	13F	Company	0.27%	492,733	$3,878,000	—	31 Dec 2021	13F
John Viii Stark	3/4/5	Chief Executive Officer, Director	— class O/S missing	1,977,368	$3,499,941	—	10 Jan 2022	3/4/5
STATE STREET CORP	13F	Company	0.21%	390,814	$3,076,000	—	31 Dec 2021	13F
HRT FINANCIAL LP	13F	Company	— mixed-class rows	291,761 mixed-class rows	$2,121,000	—	31 Dec 2021	13F
Swiss National Bank	13F	Company	0.1%	179,400	$1,412,000	—	31 Dec 2021	13F
NORTHERN TRUST CORP	13F	Company	0.09%	168,878	$1,329,000	—	31 Dec 2021	13F
TD ASSET MANAGEMENT INC	13F	Company	0.08%	150,662	$1,186,000	—	31 Dec 2021	13F
Ikarian Capital, LLC	13F	Company	0.08%	144,406	$1,136,000	—	31 Dec 2021	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.06%	110,598	$870,000	—	31 Dec 2021	13F
Cubist Systematic Strategies, LLC	13F	Company	0.06%	106,436	$838,000	—	31 Dec 2021	13F
MORGAN STANLEY	13F	Company	0.05%	84,508	$665,000	—	31 Dec 2021	13F
Westchester Capital Management, LLC	13F	Company	— mixed-class rows	151,562 mixed-class rows	$662,000	—	31 Dec 2021	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.05%	82,500	$649,275	—	31 Dec 2021	13F
Ionic Capital Management LLC	13F	Company	— class O/S missing	350,665	$631,000	—	31 Dec 2021	13F
MARSHALL WACE, LLP	13F	Company	0.04%	77,816	$612,000	—	31 Dec 2021	13F
INTREPID FAMILY OFFICE LLC	13F	Company	0.04%	75,000	$590,000	—	31 Dec 2021	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.04%	68,851	$542,000	—	31 Dec 2021	13F
LMR Partners LLP	13F	Company	0.03%	61,794	$486,000	—	31 Dec 2021	13F
CREDIT SUISSE AG/	13F	Company	0.03%	48,204	$379,000	—	31 Dec 2021	13F
Virtu Financial LLC	13F	Company	0.02%	43,437	$342,000	—	31 Dec 2021	13F
MSD Partners, L.P.	13F	Company	— class O/S missing	179,400	$324,000	—	31 Dec 2021	13F
Magnetar Financial LLC	13F	Company	— class O/S missing	169,196	$301,000	—	31 Dec 2021	13F
Red Wave Investments LLC	13F	Company	0.02%	37,000	$291,000	—	31 Dec 2021	13F
ROYAL BANK OF CANADA	13F	Company	0.02%	32,789	$258,000	—	31 Dec 2021	13F
Bank of New York Mellon Corp	13F	Company	0.02%	32,200	$253,000	—	31 Dec 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	0.02%	32,131	$253,000	—	31 Dec 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.02%	32,018	$252,000	—	31 Dec 2021	13F
ASSET MANAGEMENT CORP /IL/ /ADV	13F	Company	0.02%	31,011	$244,000	—	31 Dec 2021	13F
Raymond James Financial Services Advisors, Inc.	13F	Company	0.02%	30,444	$240,000	—	31 Dec 2021	13F
UBS Group AG	13F	Company	— mixed-class rows	42,850 mixed-class rows	$235,000	—	31 Dec 2021	13F

Institutional Holders of Quantum-Si Inc - Common Stock (QSI) as of Q1 2022

As of 31 Mar 2022, Quantum-Si Inc - Common Stock (QSI) was held by 86 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 45,913,518 shares. The largest 10 holders included ARK Investment Management LLC, GLENVIEW CAPITAL MANAGEMENT, LLC, Foresite Capital Management IV, LLC, VANGUARD GROUP INC, Foresite Capital Management V, LLC, Foresite Capital Opportunity Management V, LLC, BlackRock Inc., DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), Nikko Asset Management Americas, Inc., and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 87 institutional shareholders reporting positions in this security for the Q1 2022 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2022 vs Q4 2021 Across Filers

Q4 2021 holders

Q1 2022 holders

Holder diff

-5

Investor	Q4 2021 Shares	Q1 2022 Shares	Share Diff	Share Chg %	Q4 2021 Value $	Q1 2022 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.