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 |
|---|---|---|---|---|---|---|---|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
BUY
|
- |
15+ 1.79% |
$15 - $32.1
|
851
$1.21K
|
|
|
Nov 19, 2025
Q3 2025
|
Captrust Financial Advisors
Raleigh, NC |
BUY
|
- |
518+ 1.51% |
$518 - $1.11K
|
34.8K
$49.5K
|
|
|
Nov 19, 2025
Q3 2025
|
Caitong International Asset Management Co., LTD
Hong Kong, K3 |
BUY
|
- |
59.8KNew |
$59.8K - $128K
|
59.8K
$84.9K
|
|
|
Nov 14, 2025
Q3 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
65K+ 33.15% |
$65K - $139K
|
261K
$371K
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
19.8KNew |
$19.8K - $42.4K
|
19.8K
$28.1K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
60.6K+ 17.22% |
$60.6K - $130K
|
413K
$586K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
1.06M+ 106.99% |
$1.06M - $2.26M
|
2.04M
$2.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
PUT |
-10.2K- 21.38% |
$10.2K - $21.8K
|
37.5K
$53.3K
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
- |
-7.39K- 18.28% |
$7.39K - $15.8K
|
33K
$46.9K
|
|
|
Nov 14, 2025
Q3 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-246- 1.65% |
$246 - $526
|
14.7K
$20.8K
|
|
|
Nov 14, 2025
Q3 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-1.42K- 2.88% |
$1.42K - $3.03K
|
47.7K
$67.7K
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-28.5K- 23.63% |
$28.5K - $60.9K
|
92K
$131K
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
SELL
|
- |
-48.6K- 8.61% |
$48.6K - $104K
|
516K
$733K
|
|
|
Nov 14, 2025
Q3 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
SELL
|
- |
-38- 3.02% |
$38 - $81.3
|
1.22K
$1.73K
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
613KNew |
$613K - $1.31M
|
613K
$871K
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
61.1K+ 2.21% |
$61.1K - $131K
|
2.82M
$4M
|
|
|
Nov 14, 2025
Q3 2025
|
Shay Capital LLC
New York, NY |
BUY
|
- |
24.9K+ 19.24% |
$24.9K - $53.4K
|
155K
$219K
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-507K- 56.7% |
$507K - $1.08M
|
387K
$550K
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-118K- 25.32% |
$118K - $253K
|
348K
$494K
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-1.11M- 29.35% |
$1.11M - $2.37M
|
2.67M
$3.79M
|
|
|
Nov 14, 2025
Q3 2025
|
New Edge Advisors, LLC
New Orleans, LA |
SELL
|
- |
-80- 0.78% |
$80 - $171
|
10.2K
$14.4K
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-4.24K- 5.49% |
$4.24K - $9.07K
|
73K
$104K
|
|
|
Nov 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
104New |
$104 - $223
|
104
$148
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-47.1K- 9.2% |
$47.1K - $101K
|
465K
$660K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-151K- 27.09% |
$151K - $324K
|
407K
$578K
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-37.9K- 31.12% |
$37.9K - $81.1K
|
83.8K
$119K
|
|
|
Nov 14, 2025
Q3 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
104K+ 223.91% |
$104K - $223K
|
151K
$214K
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-18.9K- 6.52% |
$18.9K - $40.5K
|
271K
$385K
|
|
|
Nov 14, 2025
Q3 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
41.5KNew |
$41.5K - $88.7K
|
41.5K
$58.9K
|
|
|
Nov 14, 2025
Q3 2025
|
Mercer Global Advisors Inc
Denver, CO |
BUY
|
- |
1.73K+ 6.84% |
$1.73K - $3.7K
|
27K
$38.3K
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
33.6K+ 1.47% |
$33.6K - $71.9K
|
2.32M
$3.3M
|
|
|
Nov 14, 2025
Q3 2025
|
California State Teachers Retirement System
West Sacramento, CA |
BUY
|
- |
6+ 0.07% |
$6 - $12.8
|
8.81K
$12.5K
|
|
|
Nov 14, 2025
Q3 2025
|
Mariner, LLC
Overland Park, KS |
SELL
|
- |
-65- 0.13% |
$65 - $139
|
50.5K
$71.8K
|
|
|
Nov 13, 2025
Q3 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
2.11K+ 7.04% |
$2.11K - $4.5K
|
32K
$45.4K
|
|
|
Nov 13, 2025
Q3 2025
|
Mark Sheptoff Financial Planning, LLC
Glastonbury, CT |
SELL
|
- |
-4K- 27.59% |
$4K - $8.56K
|
10.5K
$14.9K
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
34.2K+ 33.66% |
$34.2K - $73.3K
|
136K
$193K
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
SELL
|
- |
-285K- 36.06% |
$285K - $609K
|
505K
$717K
|
|
|
Nov 13, 2025
Q3 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
13.6K+ 13.75% |
$13.6K - $29K
|
112K
$159K
|
|
|
Nov 13, 2025
Q3 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
15.1KNew |
$15.1K - $32.3K
|
15.1K
$21.4K
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
100K+ 51.31% |
$100K - $215K
|
296K
$420K
|
|
|
Nov 13, 2025
Q3 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
CALL |
987KNew |
$987K - $2.11M
|
987K
$1.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-8.8K- 36.97% |
$8.8K - $18.8K
|
15K
$21.3K
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
1.33M+ 465.41% |
$1.33M - $2.84M
|
1.61M
$2.29M
|
|
|
Nov 13, 2025
Q3 2025
|
Kestra Advisory Services, LLC
|
SELL
|
- |
-42- 0.41% |
$42 - $89.9
|
10.1K
$14.3K
|
|
|
Nov 13, 2025
Q3 2025
|
Pathstone Holdings, LLC
Englewood, NJ |
SELL
|
- |
-14.9K- 7.48% |
$14.9K - $31.8K
|
184K
$261K
|
|
|
Nov 13, 2025
Q3 2025
|
Met Life Investment Management, LLC
Whippany, NJ |
SELL
|
- |
-12.7K- 16.49% |
$12.7K - $27.3K
|
64.6K
$91.7K
|
|
|
Nov 12, 2025
Q3 2025
|
Sterling Capital Management LLC
Charlotte, NC |
BUY
|
- |
7.44K+ 219.26% |
$7.44K - $15.9K
|
10.8K
$15.4K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
BUY
|
- |
48.5K+ 46.0% |
$48.5K - $104K
|
154K
$219K
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
243K+ 180.6% |
$243K - $520K
|
378K
$536K
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
299K+ 8.68% |
$299K - $641K
|
3.75M
$5.32M
|
|