Latest Institutional Sells of Quantum Si Inc (QSI)
This list provides information on the latest institutional transactions involving Quantum Si Inc (QSI) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
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 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-679K- 60.26% |
$679K - $1.45M
|
448K
$635K
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
SELL
|
- |
-507K- 56.7% |
$507K - $1.08M
|
387K
$550K
|
|
|
Nov 12, 2025
Q3 2025
|
Nikko Asset Management Americas, Inc.
|
SELL
|
- |
-404K- 7.18% |
$404K - $864K
|
5.22M
$7.41M
|
|
|
Oct 27, 2025
Q3 2025
|
Sumitomo Mitsui Trust Holdings, Inc.
|
SELL
|
- |
-404K- 7.18% |
$404K - $864K
|
5.22M
$7.41M
|
|
|
Nov 12, 2025
Q3 2025
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
SELL
|
- |
-337K- 4.23% |
$337K - $721K
|
7.62M
$10.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
SELL
|
- |
-285K- 36.06% |
$285K - $609K
|
505K
$717K
|
|
|
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
|
Bank Of America Corp
Charlotte, NC |
SELL
|
- |
-118K- 25.32% |
$118K - $253K
|
348K
$494K
|
|
|
Oct 31, 2025
Q3 2025
|
Ewa, LLC
Pittsbugh, PA |
SELL
|
- |
-51.1K- 74.9% |
$51.1K - $109K
|
17.1K
$24.3K
|
|
|
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
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-47.1K- 9.2% |
$47.1K - $101K
|
465K
$660K
|
|
|
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
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-28.5K- 23.63% |
$28.5K - $60.9K
|
92K
$131K
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
SELL
|
- |
-25.4K- 51.79% |
$25.4K - $54.4K
|
23.7K
$33.6K
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-18.9K- 6.52% |
$18.9K - $40.5K
|
271K
$385K
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-17.8K- 7.44% |
$17.8K - $38.1K
|
221K
$314K
|
|
|
Nov 13, 2025
Q3 2025
|
Pathstone Holdings, LLC
Englewood, NJ |
SELL
|
- |
-14.9K- 7.48% |
$14.9K - $31.8K
|
184K
$261K
|
|
|
Nov 10, 2025
Q3 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
SELL
|
- |
-13.7K- 15.52% |
$13.7K - $29.4K
|
74.8K
$106K
|
|
|
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
|
|
|
Oct 14, 2025
Q3 2025
|
Green Alpha Advisors, LLC
|
SELL
|
- |
-12.3K- 5.39% |
$12.3K - $26.4K
|
216K
$307K
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-11.6K- 29.89% |
$11.6K - $24.9K
|
27.2K
$38.7K
|
|
|
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 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-8.8K- 36.97% |
$8.8K - $18.8K
|
15K
$21.3K
|
|
|
Oct 28, 2025
Q3 2025
|
Wolverine Asset Management LLC
|
SELL
|
- |
-8.68K- 52.58% |
$8.68K - $18.6K
|
7.83K
$11.1K
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
- |
-7.39K- 18.28% |
$7.39K - $15.8K
|
33K
$46.9K
|
|
|
Oct 15, 2025
Q3 2025
|
Cwm, LLC
|
SELL
|
- |
-6.76K- 75.81% |
$6.76K - $14.5K
|
2.16K
$3.06K
|
|
|
Oct 27, 2025
Q3 2025
|
Belvedere Trading LLC
|
SELL
|
- |
-5.83K- 80.75% |
$5.83K - $12.5K
|
1.39K
$1.97K
|
|
|
Nov 06, 2025
Q3 2025
|
Stratos Wealth Advisors, LLC
|
SELL
|
- |
-4.32K- 24.21% |
$4.32K - $9.25K
|
13.5K
$19.2K
|
|
|
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 13, 2025
Q3 2025
|
Mark Sheptoff Financial Planning, LLC
Glastonbury, CT |
SELL
|
- |
-4K- 27.59% |
$4K - $8.56K
|
10.5K
$14.9K
|
|
|
Nov 05, 2025
Q3 2025
|
Pro Share Advisors LLC
|
SELL
|
- |
-2.06K- 7.14% |
$2.06K - $4.42K
|
26.9K
$38.1K
|
|
|
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
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-716- 54.08% |
$716 - $1.53K
|
608
$863
|
|
|
Oct 27, 2025
Q3 2025
|
Belvedere Trading LLC
|
SELL
|
CALL |
-600- 3.82% |
$600 - $1.28K
|
15.1K
$21.4K
|
|
|
Nov 10, 2025
Q3 2025
|
Ever Source Wealth Advisors, LLC
|
SELL
|
- |
-401- 48.43% |
$401 - $858
|
427
$606
|
|
|
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
|
New Edge Advisors, LLC
New Orleans, LA |
SELL
|
- |
-80- 0.78% |
$80 - $171
|
10.2K
$14.4K
|
|
|
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
|
Kestra Advisory Services, LLC
|
SELL
|
- |
-42- 0.41% |
$42 - $89.9
|
10.1K
$14.3K
|
|
|
Nov 14, 2025
Q3 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
SELL
|
- |
-38- 3.02% |
$38 - $81.3
|
1.22K
$1.73K
|
|
|
Nov 06, 2025
Q3 2025
|
Cibc World Market Inc.
Toronto, A6 |
SELL
|
- |
-11- 0.08% |
$11 - $23.5
|
14K
$19.9K
|
|
|
Oct 16, 2025
Q3 2025
|
Hbw Advisory Services LLC
|
SELL
|
- |
-10- 0.04% |
$10 - $21.4
|
24.2K
$34.4K
|
|
| Q2 2025 | |||||||
|
Aug 13, 2025
Q2 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-783K- 89.77% |
$845K - $1.6M
|
89.2K
$127K
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
SELL
|
- |
-89.2K- 96.02% |
$96.3K - $183K
|
3.7K
$5.25K
|
|
|
Aug 12, 2025
Q2 2025
|
Jefferies Financial Group Inc.
New York, NY |
SELL
|
- |
-63K- 75.91% |
$68.1K - $129K
|
20K
$28.4K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Securities, LLC
New York, NY |
SELL
|
- |
-14.4K- 27.5% |
$15.5K - $29.4K
|
37.9K
$53.8K
|
|
|
Aug 13, 2025
Q2 2025
|
National Bank Of Canada
|
SELL
|
- |
-10.5K- 94.59% |
$11.3K - $21.5K
|
600
$852
|
|
|
Aug 14, 2025
Q2 2025
|
Atom Investors LP
Austin, TX |
SELL
|
- |
-9.37K- 31.05% |
$10.1K - $19.2K
|
20.8K
$29.5K
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
SELL
|
- |
-9.29K- 34.83% |
$10K - $19K
|
17.4K
$24.7K
|
|