A detailed history of Cathie Wood (Ark Investment Management LLC) transactions in Quantum Si Inc stock. As of the latest transaction made, Ark Investment Management LLC holds 11,842,609 shares of QSI stock, worth $14.6 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares
11,842,609
Previous 12,409,929 4.57%
Holding current value
$14.6 Million
Previous $13 Million 20.02%
% of portfolio
0.1%
Previous 0.12%

Shares

14 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Oct 31, 2024

SELL
$0.82 - $1.22 $465,202 - $692,130
-567,320 Reduced 4.57%
11,842,609 $10.4 Million
Q2 2024

Jul 26, 2024

SELL
$0.84 - $1.89 $301,515 - $678,409
-358,947 Reduced 2.81%
12,409,929 $13 Million
Q1 2024

Apr 18, 2024

SELL
$1.43 - $2.23 $3.93 Million - $6.13 Million
-2,750,446 Reduced 17.72%
12,768,876 $25.2 Million
Q4 2023

Jan 17, 2024

BUY
$1.15 - $2.27 $1.23 Million - $2.43 Million
1,071,105 Added 7.41%
15,519,322 $31.2 Million
Q3 2023

Oct 18, 2023

BUY
$1.6 - $3.89 $2.71 Million - $6.59 Million
1,693,686 Added 13.28%
14,448,217 $24 Million
Q2 2023

Jul 10, 2023

BUY
$1.38 - $1.83 $1.46 Million - $1.93 Million
1,055,740 Added 9.02%
12,754,531 $22.8 Million
Q1 2023

Apr 17, 2023

SELL
$1.59 - $2.58 $250,254 - $406,073
-157,393 Reduced 1.33%
11,698,791 $20.6 Million
Q4 2022

Jan 24, 2023

SELL
$1.82 - $3.27 $2.51 Million - $4.52 Million
-1,381,606 Reduced 10.44%
11,856,184 $0
Q3 2022

Oct 17, 2022

SELL
$0.74 - $4.35 $467,157 - $2.75 Million
-631,294 Reduced 4.55%
13,237,790 $36.4 Million
Q2 2022

Jul 11, 2022

BUY
$2.32 - $4.9 $1.15 Million - $2.43 Million
495,527 Added 3.71%
13,869,084 $58.9 Million
Q1 2022

Apr 19, 2022

BUY
$3.86 - $8.22 $1.18 Million - $2.52 Million
306,407 Added 2.34%
13,373,557 $62.6 Million
Q4 2021

Jan 28, 2022

BUY
$5.65 - $8.75 $2.08 Million - $3.23 Million
368,769 Added 2.9%
13,067,150 $103 Million
Q3 2021

Nov 12, 2021

BUY
$7.97 - $13.56 $68.9 Million - $117 Million
8,650,078 Added 213.67%
12,698,381 $106 Million
Q2 2021

Aug 05, 2021

BUY
$8.1 - $12.65 $32.8 Million - $51.2 Million
4,048,303 New
4,048,303 $49.6 Million

Others Institutions Holding QSI

About Quantum-Si Inc


  • Ticker QSI
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 119,433,000
  • Market Cap $147M
  • 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...
More about QSI
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