Northern Trust Corp Quantum Si Inc Transaction History

Northern Trust Corp

$761 Billion
Q3 2025

A detailed history of Northern Trust Corp transactions in Quantum Si Inc stock. As of the latest transaction made, Northern Trust Corp holds 2,323,042 shares of QSI stock, worth $3.3 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

2,323,042

Previous 2,289,456 1.47%

Holding current value

$3.3 Million

Previous $4.49 Million 27.01%

% of portfolio

0.0%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$1.0 - $2.14 $33,586 - $71,874	33,586 Added 1.47%	2,323,042 $3.28 Million
Q2 2025 Aug 13, 2025	BUY	$1.08 - $2.05 $1.37 Million - $2.6 Million	1,267,338 Added 123.99%	2,289,456 $4.49 Million
Q1 2025 May 13, 2025	BUY	$1.14 - $4.29 $206,308 - $776,369	180,972 Added 21.51%	1,022,118 $1.23 Million
Q4 2024 Feb 14, 2025	BUY	$0.63 - $3.6 $25,216 - $144,093	40,026 Added 5.0%	841,146 $2.27 Million
Q3 2024 Nov 13, 2024	BUY	$0.82 - $1.22 $15,522 - $23,094	18,930 Added 2.42%	801,120 $704,000

Q2 2024 Aug 14, 2024	SELL	$0.84 - $1.89 $33,725 - $75,881	-40,149 Reduced 4.88%	782,190 $821,000
Q1 2024 May 14, 2024	SELL	$1.43 - $2.23 $2,928 - $4,567	-2,048 Reduced 0.25%	822,339 $1.62 Million
Q4 2023 Feb 13, 2024	BUY	$1.15 - $2.27 $1,868 - $3,688	1,625 Added 0.2%	824,387 $1.66 Million
Q3 2023 Nov 13, 2023	BUY	$1.6 - $3.89 $70,272 - $170,848	43,920 Added 5.64%	822,762 $1.37 Million
Q2 2023 Aug 11, 2023	BUY	$1.38 - $1.83 $50,183 - $66,547	36,365 Added 4.9%	778,842 $1.39 Million
Q1 2023 May 15, 2023	SELL	$1.59 - $2.58 $45,362 - $73,607	-28,530 Reduced 3.7%	742,477 $1.31 Million
Q4 2022 Feb 13, 2023	SELL	$1.82 - $3.27 $2,861 - $5,140	-1,572 Reduced 0.2%	771,007 $1.41 Million
Q3 2022 Nov 14, 2022	SELL	$0.74 - $4.35 $1,508 - $8,869	-2,039 Reduced 0.26%	772,579 $2.12 Million
Q2 2022 Aug 12, 2022	BUY	$2.32 - $4.9 $1.41 Million - $2.99 Million	609,737 Added 369.8%	774,618 $1.8 Million
Q1 2022 May 13, 2022	SELL	$3.86 - $8.22 $15,428 - $32,855	-3,997 Reduced 2.37%	164,881 $772,000
Q4 2021 Feb 08, 2022	BUY	$5.65 - $8.75 $135,289 - $209,518	23,945 Added 16.52%	168,878 $1.33 Million
Q3 2021 Nov 15, 2021	BUY	$7.97 - $13.56 $1.16 Million - $1.97 Million	144,933 New	144,933 $1.21 Million

Others Institutions Holding QSI

# of Institutions

143

Shares Held

60.8M

Call Options Held

1.69M

Put Options Held

931K

View Full List

About Quantum-Si Inc

Ticker QSI
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 119,433,000
Market Cap $170M
Description
Quantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing. It offers a proprietary single molecule detection platform for use in semiconductor industry to field proteomics to enable next generation protein sequencing. The company was incorporated in 2013 is based in Guil...

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Northern Trust Corp Quantum Si Inc Transaction History