Latest Institutional Transactions on Quantum Si Inc (QSI)
This table provides information on the latest institutional transactions involving Quantum Si Inc (QSI) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 18, 2025
Q2 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
3.1K+ 6.95% |
$3.35K - $6.35K
|
47.7K
$55.3K
|
|
|
Aug 18, 2025
Q2 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
- |
-33- 0.08% |
$35.6 - $67.6
|
40.4K
$46.9K
|
|
|
Aug 18, 2025
Q2 2025
|
Hollencrest Capital Management
|
BUY
|
- |
5K+ 25.0% |
$5.4K - $10.3K
|
25K
$29K
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
2.43K+ 0.84% |
$2.62K - $4.97K
|
290K
$336K
|
|
|
Aug 14, 2025
Q2 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
BUY
|
- |
10.6K+ 27.43% |
$11.4K - $21.7K
|
49.1K
$56.9K
|
|
|
Aug 14, 2025
Q2 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
223KNew |
$241K - $457K
|
223K
$259K
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
189K+ 23.74% |
$204K - $388K
|
986K
$1.14M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-21.9K- 5.86% |
$23.7K - $44.9K
|
352K
$408K
|
|
|
Aug 14, 2025
Q2 2025
|
Alliancebernstein L.P.
New York, NY |
BUY
|
- |
162K+ 147.03% |
$175K - $332K
|
272K
$316K
|
|
|
Aug 14, 2025
Q2 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
9.31K+ 31.51% |
$10.1K - $19.1K
|
38.9K
$45.1K
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
453K+ 102.6% |
$489K - $928K
|
894K
$1.04M
|
|
|
Aug 14, 2025
Q2 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
12.3K+ 11.4% |
$13.3K - $25.3K
|
121K
$140K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-253K- 30.91% |
$273K - $518K
|
564K
$655K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Securities, LLC
New York, NY |
SELL
|
- |
-14.4K- 27.5% |
$15.5K - $29.4K
|
37.9K
$43.9K
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Market Inc.
Toronto, A6 |
SELL
|
- |
-6K- 29.98% |
$6.48K - $12.3K
|
14K
$16.3K
|
|
|
Aug 14, 2025
Q2 2025
|
Xponance, Inc.
|
BUY
|
- |
11.1KNew |
$11.9K - $22.7K
|
11.1K
$12.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
18.4K+ 22.06% |
$19.9K - $37.7K
|
102K
$118K
|
|
|
Aug 14, 2025
Q2 2025
|
Talon Private Wealth, LLC
The Villages, FL |
BUY
|
- |
2KNew |
$2.16K - $4.1K
|
2K
$2.32K
|
|
|
Aug 14, 2025
Q2 2025
|
Headlands Technologies LLC
Chicago, IL |
BUY
|
- |
9K+ 2768.31% |
$9.72K - $18.4K
|
9.32K
$10.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
BUY
|
- |
340K+ 75.58% |
$367K - $697K
|
790K
$916K
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
302K+ 12.32% |
$327K - $620K
|
2.76M
$3.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
378K+ 426.58% |
$408K - $774K
|
466K
$541K
|
|
|
Aug 14, 2025
Q2 2025
|
Mercer Global Advisors Inc
Denver, CO |
SELL
|
- |
-1.85K- 6.83% |
$2K - $3.8K
|
25.3K
$29.3K
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
285KNew |
$308K - $584K
|
285K
$330K
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-13.6K- 36.36% |
$14.7K - $27.9K
|
23.8K
$27.6K
|
|
|
Aug 14, 2025
Q2 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
BUY
|
- |
6.66K+ 9.44% |
$7.2K - $13.7K
|
77.2K
$89.6K
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
SELL
|
- |
-89.2K- 96.02% |
$96.3K - $183K
|
3.7K
$4.29K
|
|
|
Aug 14, 2025
Q2 2025
|
Kestra Advisory Services, LLC
|
SELL
|
- |
-4.96K- 32.86% |
$5.35K - $10.2K
|
10.1K
$11.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-6.12K- 29.1% |
$6.61K - $12.5K
|
14.9K
$17.3K
|
|
|
Aug 14, 2025
Q2 2025
|
Captrust Financial Advisors
Raleigh, NC |
SELL
|
- |
-273- 0.79% |
$295 - $560
|
34.3K
$39.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
SELL
|
- |
-9.29K- 34.83% |
$10K - $19K
|
17.4K
$20.2K
|
|
|
Aug 14, 2025
Q2 2025
|
Shay Capital LLC
New York, NY |
BUY
|
- |
1.13K+ 0.88% |
$1.22K - $2.32K
|
130K
$150K
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-155K- 3.94% |
$167K - $318K
|
3.78M
$4.38M
|
|
|
Aug 14, 2025
Q2 2025
|
California State Teachers Retirement System
West Sacramento, CA |
BUY
|
- |
1.54K+ 21.28% |
$1.67K - $3.17K
|
8.8K
$10.2K
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
447K+ 3327.57% |
$483K - $916K
|
460K
$534K
|
|
|
Aug 14, 2025
Q2 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
2.59K+ 5.39% |
$2.8K - $5.31K
|
50.6K
$58.7K
|
|
|
Aug 14, 2025
Q2 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
25.7K+ 26.72% |
$27.7K - $52.6K
|
122K
$141K
|
|
|
Aug 14, 2025
Q2 2025
|
Atom Investors LP
Austin, TX |
SELL
|
- |
-9.37K- 31.05% |
$10.1K - $19.2K
|
20.8K
$24.1K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
420K+ 303.12% |
$453K - $861K
|
558K
$648K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-9.9K- 1.9% |
$10.7K - $20.3K
|
512K
$594K
|
|
|
Aug 13, 2025
Q2 2025
|
National Bank Of Canada
|
SELL
|
- |
-10.5K- 94.59% |
$11.3K - $21.5K
|
600
$696
|
|
|
Aug 13, 2025
Q2 2025
|
Jones Financial Companies Lllp
|
BUY
|
- |
43.9K+ 1463.33% |
$47.4K - $90K
|
46.9K
$54.4K
|
|
|
Aug 13, 2025
Q2 2025
|
Victory Capital Management Inc
|
SELL
|
- |
-376- 2.27% |
$406 - $771
|
16.2K
$18.8K
|
|
|
Aug 13, 2025
Q2 2025
|
Neuberger Berman Group LLC
New York, NY |
SELL
|
- |
-2.49K- 15.64% |
$2.69K - $5.1K
|
13.4K
$15.6K
|
|
|
Aug 13, 2025
Q2 2025
|
Hsbc Holdings PLC
London, X0 |
SELL
|
- |
-270- 1.93% |
$292 - $554
|
13.7K
$15.9K
|
|
|
Aug 13, 2025
Q2 2025
|
Russell Investments Group, Ltd.
|
SELL
|
- |
-8.36K- 21.84% |
$9.02K - $17.1K
|
29.9K
$34.7K
|
|
|
Aug 13, 2025
Q2 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
14.9KNew |
$16.1K - $30.5K
|
14.9K
$17.3K
|
|
|
Aug 13, 2025
Q2 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
26.8K+ 2391.79% |
$28.9K - $54.9K
|
27.9K
$32.4K
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
118K+ 97.7% |
$128K - $242K
|
239K
$277K
|
|
|
Aug 13, 2025
Q2 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
135KNew |
$145K - $276K
|
135K
$156K
|