Latest Institutional Purchases of Quantum Si Inc (QSI)
This list provides information on the latest institutional transactions involving Quantum Si Inc (QSI) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
38.2K+ 15.5% |
$41.2K - $78.3K
|
284K
$512K
|
|
|
Jul 09, 2025
Q2 2025
|
Dlk Investment Management, LLC
Solana Beach, CA |
BUY
|
- |
750+ 3.95% |
$810 - $1.54K
|
19.8K
$35.6K
|
|
|
Jul 02, 2025
Q2 2025
|
Hbw Advisory Services LLC
|
BUY
|
- |
10+ 0.04% |
$10.8 - $20.5
|
24.3K
$43.7K
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
3.93MNew |
$4.49M - $16.9M
|
3.93M
$7.08M
|
|
|
May 09, 2025
Q1 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
1.4M+ 25.51% |
$1.6M - $6.01M
|
6.89M
$12.4M
|
|
|
May 15, 2025
Q1 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
664K+ 435.08% |
$757K - $2.85M
|
817K
$1.47M
|
|
|
May 13, 2025
Q1 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
627K+ 26.45% |
$714K - $2.69M
|
2.99M
$5.39M
|
|
|
May 14, 2025
Q1 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
327K+ 59.97% |
$373K - $1.4M
|
872K
$1.57M
|
|
|
May 12, 2025
Q1 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
319KNew |
$364K - $1.37M
|
319K
$574K
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
226K+ 76.67% |
$258K - $971K
|
522K
$939K
|
|
|
May 13, 2025
Q1 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
181K+ 21.51% |
$206K - $776K
|
1.02M
$1.84M
|
|
|
May 14, 2025
Q1 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
166K+ 80.23% |
$190K - $714K
|
374K
$673K
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
138KNew |
$158K - $594K
|
138K
$249K
|
|
|
May 07, 2025
Q1 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
123K+ 50.24% |
$141K - $529K
|
369K
$664K
|
|
|
May 13, 2025
Q1 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
92.9KNew |
$106K - $398K
|
92.9K
$167K
|
|
|
May 15, 2025
Q1 2025
|
Pathstone Holdings, LLC
Englewood, NJ |
BUY
|
- |
85.7K+ 66.67% |
$97.7K - $368K
|
214K
$386K
|
|
|
Apr 09, 2025
Q1 2025
|
Green Alpha Advisors, LLC
|
BUY
|
- |
85.2K+ 53.64% |
$97.1K - $366K
|
244K
$439K
|
|
|
May 08, 2025
Q1 2025
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
- |
83KNew |
$94.7K - $356K
|
83K
$149K
|
|
|
May 15, 2025
Q1 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
78.9KNew |
$89.9K - $338K
|
78.9K
$142K
|
|
|
May 15, 2025
Q1 2025
|
Sculptor Capital LP
New York, NY |
BUY
|
PUT |
78.2KNew |
$89.1K - $335K
|
78.2K
$141K
|
|
|
May 15, 2025
Q1 2025
|
Sculptor Capital LP
New York, NY |
BUY
|
- |
78.2KNew |
$89.1K - $335K
|
78.2K
$141K
|
|
|
May 14, 2025
Q1 2025
|
Met Life Investment Management, LLC
Whippany, NJ |
BUY
|
- |
76KNew |
$86.7K - $326K
|
76K
$137K
|
|
|
May 12, 2025
Q1 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
66.3K+ 177.74% |
$75.6K - $285K
|
104K
$187K
|
|
|
May 09, 2025
Q1 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
59.4K+ 19.29% |
$67.7K - $255K
|
367K
$661K
|
|
|
May 15, 2025
Q1 2025
|
Two Sigma Securities, LLC
New York, NY |
BUY
|
- |
52.2KNew |
$59.5K - $224K
|
52.2K
$94K
|
|
|
Apr 29, 2025
Q1 2025
|
Callan Capital, LLC
La Jolla, CA |
BUY
|
- |
50.2K+ 464.35% |
$57.2K - $215K
|
61K
$110K
|
|
|
May 15, 2025
Q1 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
49.1K+ 2.04% |
$56K - $211K
|
2.45M
$4.42M
|
|
|
May 09, 2025
Q1 2025
|
Iq Eq Fund Management (Ireland) LTD
|
BUY
|
- |
36K+ 106.31% |
$41.1K - $155K
|
69.9K
$126K
|
|
|
May 12, 2025
Q1 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
34.8KNew |
$39.7K - $149K
|
34.8K
$62.7K
|
|
|
May 14, 2025
Q1 2025
|
Captrust Financial Advisors
Raleigh, NC |
BUY
|
- |
34.6KNew |
$39.4K - $148K
|
34.6K
$62.2K
|
|
|
May 15, 2025
Q1 2025
|
Alliancebernstein L.P.
New York, NY |
BUY
|
- |
34.1K+ 44.82% |
$38.9K - $146K
|
110K
$198K
|
|
|
May 15, 2025
Q1 2025
|
Atom Investors LP
Austin, TX |
BUY
|
- |
30.2KNew |
$34.4K - $129K
|
30.2K
$54.3K
|
|
|
May 13, 2025
Q1 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
29.2K+ 322.59% |
$33.3K - $125K
|
38.3K
$68.9K
|
|
|
May 13, 2025
Q1 2025
|
Cibc World Markets Corp
New York, NY |
BUY
|
- |
26.7KNew |
$30.4K - $114K
|
26.7K
$48K
|
|
|
Apr 21, 2025
Q1 2025
|
West Hill Financial Advisors, Inc.
|
BUY
|
- |
21.7KNew |
$24.8K - $93.2K
|
21.7K
$39.1K
|
|
|
May 07, 2025
Q1 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
20.1KNew |
$22.9K - $86.3K
|
20.1K
$36.2K
|
|
|
May 14, 2025
Q1 2025
|
Cibc World Market Inc.
Toronto, A6 |
BUY
|
- |
20KNew |
$22.8K - $85.8K
|
20K
$36K
|
|
|
May 02, 2025
Q1 2025
|
Hollencrest Capital Management
|
BUY
|
- |
20KNew |
$22.8K - $85.8K
|
20K
$36K
|
|
|
Apr 30, 2025
Q1 2025
|
Stratos Wealth Advisors, LLC
|
BUY
|
- |
18.3KNew |
$20.9K - $78.5K
|
18.3K
$33K
|
|
|
May 13, 2025
Q1 2025
|
Neuberger Berman Group LLC
New York, NY |
BUY
|
- |
15.9KNew |
$18.1K - $68.3K
|
15.9K
$28.7K
|
|
|
May 14, 2025
Q1 2025
|
Kestra Advisory Services, LLC
|
BUY
|
- |
15.1KNew |
$17.2K - $64.7K
|
15.1K
$27.2K
|
|
|
May 15, 2025
Q1 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
14.6K+ 43.56% |
$16.6K - $62.5K
|
48K
$86.4K
|
|
|
May 15, 2025
Q1 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
BUY
|
- |
13.5K+ 23.76% |
$15.4K - $58.1K
|
70.6K
$127K
|
|
|
May 12, 2025
Q1 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
12.8K+ 28.52% |
$14.6K - $54.9K
|
57.7K
$104K
|
|
|
May 12, 2025
Q1 2025
|
State Board Of Administration Of Florida Retirement System
|
BUY
|
- |
12.3KNew |
$14K - $52.8K
|
12.3K
$22.1K
|
|
|
May 08, 2025
Q1 2025
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
PUT |
12.3KNew |
$14K - $52.8K
|
12.3K
$22.1K
|
|
|
May 13, 2025
Q1 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
11.4K+ 15.77% |
$12.9K - $48.7K
|
83.3K
$150K
|
|
|
May 12, 2025
Q1 2025
|
National Bank Of Canada
|
BUY
|
- |
11.1KNew |
$12.7K - $47.6K
|
11.1K
$20K
|
|
|
May 15, 2025
Q1 2025
|
Sih Partners, Lllp
Wilmington, DE |
BUY
|
- |
10.6KNew |
$12.1K - $45.6K
|
10.6K
$19.1K
|
|
|
May 20, 2025
Q1 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
10.5K+ 20.71% |
$12K - $45.2K
|
61.4K
$110K
|
|