Institutional Ownership
BlackRock Inc is the biggest individual institutional holder of QuantumSi Inc (QSI), owning a total of 9.4 million shares. Combined, the top 49 institutional holders of QSI own 46.25% of the company with a total of 78.1 million shares.
In the latest ownership report on March 31st 2025, the top 49 institutional holders increased their combined ownership of QSI by 4.2 million shares. 12 institutions bought 8,712,658 total additional shares and increased their ownership by an average of 55.11%. However 7 institutions sold 4,544,874 total shares and decreased their ownership by an average of 28.43%.
Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of QuantumSi increased by a net total of 4,167,784 in the latest quarter.
Institution Ownership Chart
Latest Institutional Ownership Changes
Owner | Percent Owned | Percent Change | Shares Owned | Share Change | Date Reported |
---|---|---|---|---|---|
BlackRock Inc | 5.145% | 11.882% | 9,440,243 | 1,002,596 | 2025-03-31 |
ARK Investment Management LLC | 4.749% | -1.527% | 8,713,501 | -135,149 | 2025-03-31 |
Vanguard Group Inc | 3.756% | 25.513% | 6,892,862 | 1,401,109 | 2025-03-31 |
Nikko Asset Management Americas Inc | 3.167% | -2.578% | 5,811,430 | -153,778 | 2025-03-31 |
Sumitomo Mitsui Trust Group Inc | 3.167% | -2.578% | 5,811,430 | -153,778 | 2025-03-31 |
Millennium Management LLC | 2.144% | 0.000% | 3,934,285 | 3,934,285 | 2025-03-31 |
Geode Capital Management, LLC | 1.632% | 26.453% | 2,994,888 | 626,512 | 2025-03-31 |
State Street Corp | 1.337% | 2.041% | 2,454,106 | 49,087 | 2025-03-31 |
Northern Trust Corp | 0.557% | 21.515% | 1,022,118 | 180,972 | 2025-03-31 |
Renaissance Technologies Corp | 0.475% | 59.968% | 871,756 | 326,800 | 2025-03-31 |
Two Sigma Investments LLC | 0.445% | 435.079% | 816,975 | 664,292 | 2025-03-31 |
Susquehanna International Group, LLP | 0.434% | -20.535% | 796,930 | -205,943 | 2025-03-31 |
Fosun International Ltd | 0.405% | 0.000% | 743,935 | 0 | 2025-03-31 |
UBS Group AG | 0.245% | -24.055% | 449,682 | -142,430 | 2025-03-31 |
Goldman Sachs Group Inc | 0.241% | -55.962% | 441,314 | -560,816 | 2025-03-31 |
XTX Topco Ltd | 0.201% | 50.240% | 368,968 | 123,383 | 2025-03-31 |
Charles Schwab Investment Management Inc | 0.200% | 19.292% | 367,444 | 59,423 | 2025-03-31 |
Nuveen, LLC | 0.174% | 0.000% | 319,100 | 319,100 | 2025-03-31 |
Knollwood Investment Advisory LLC | 0.164% | 0.000% | 300,000 | 0 | 2025-03-31 |
Bank of New York Mellon Corp | 0.161% | 9.303% | 294,906 | 25,099 | 2025-03-31 |
Morgan Stanley - Brokerage Accounts | 0.157% | -91.740% | 287,488 | -3,192,980 | 2025-03-31 |
Top Institutions
Owner | Percent Owned | Percent Change | Shares Owned | Share Change | Date Reported |
---|---|---|---|---|---|
BlackRock Inc | 5.145% | 11.882% | 9,440,243 | 1,002,596 | 2025-03-31 |
ARK Investment Management LLC | 4.749% | -1.527% | 8,713,501 | -135,149 | 2025-03-31 |
Sumitomo Mitsui Trust Holdings Inc | 5.523% | -2.376% | 7,863,161 | -191,342 | 2024-06-30 |
Vanguard Group Inc | 3.756% | 25.513% | 6,892,862 | 1,401,109 | 2025-03-31 |
Nikko Asset Management Americas Inc | 3.167% | -2.578% | 5,811,430 | -153,778 | 2025-03-31 |
Sumitomo Mitsui Trust Group Inc | 3.167% | -2.578% | 5,811,430 | -153,778 | 2025-03-31 |
Millennium Management LLC | 2.144% | 0.000% | 3,934,285 | 3,934,285 | 2025-03-31 |
Geode Capital Management, LLC | 1.632% | 26.453% | 2,994,888 | 626,512 | 2025-03-31 |
State Street Corp | 1.337% | 2.041% | 2,454,106 | 49,087 | 2025-03-31 |
Glenview Capital Management LLC | 1.705% | -42.695% | 2,415,990 | -1,800,000 | 2023-06-30 |
State Street Corporation | 1.518% | -2.264% | 2,159,809 | -50,028 | 2024-03-31 |
Foresite Capital Management IV, LLC | 1.251% | 0.000% | 1,771,249 | 0 | 2023-03-31 |
Nomura Holdings Inc | 1.252% | 0.000% | 1,751,544 | 1,751,544 | 2022-12-31 |
Northern Trust Corp | 0.557% | 21.515% | 1,022,118 | 180,972 | 2025-03-31 |
Jacobs Levy Equity Management, Inc. | 0.593% | -0.355% | 939,419 | -3,343 | 2024-09-30 |
Foresite Capital Management V, LLC | 0.652% | 0.000% | 924,404 | 0 | 2023-06-30 |
Renaissance Technologies Corp | 0.475% | 59.968% | 871,756 | 326,800 | 2025-03-31 |
Two Sigma Investments LLC | 0.445% | 435.079% | 816,975 | 664,292 | 2025-03-31 |
Deerfield Management Co | 0.563% | 0.000% | 797,500 | 797,500 | 2023-06-30 |
Susquehanna International Group, LLP | 0.434% | -20.535% | 796,930 | -205,943 | 2025-03-31 |
Fosun International Ltd | 0.405% | 0.000% | 743,935 | 0 | 2025-03-31 |
Security Benefit Life Insurance Co | 0.505% | -82.799% | 715,479 | -3,443,947 | 2023-03-31 |
Rubric Capital Management LP | 0.475% | 0.000% | 672,385 | 0 | 2022-12-31 |
Foresite Capital Opportunity Management V, LLC | 0.453% | 0.000% | 633,626 | 0 | 2022-09-30 |
UBS Group AG | 0.245% | -24.055% | 449,682 | -142,430 | 2025-03-31 |
Goldman Sachs Group Inc | 0.241% | -55.962% | 441,314 | -560,816 | 2025-03-31 |
HRT FINANCIAL LLC | 0.271% | 500.241% | 378,494 | 315,437 | 2022-06-30 |
GSA Capital Partners LLP | 0.204% | 233.234% | 374,278 | 261,961 | 2024-12-31 |
XTX Topco Ltd | 0.201% | 50.240% | 368,968 | 123,383 | 2025-03-31 |
Charles Schwab Investment Management Inc | 0.200% | 19.292% | 367,444 | 59,423 | 2025-03-31 |
Nuveen Asset Management, LLC | 0.174% | -43.530% | 319,100 | -245,980 | 2024-12-31 |
Nuveen, LLC | 0.174% | 0.000% | 319,100 | 319,100 | 2025-03-31 |
SIMPLEX TRADING, LLC | 0.168% | 1,057.660% | 306,769 | 280,270 | 2024-12-31 |
JANE STREET GROUP, LLC | 0.214% | 2,389.410% | 304,056 | 291,842 | 2024-06-30 |
Knollwood Investment Advisory LLC | 0.164% | 0.000% | 300,000 | 0 | 2025-03-31 |
Bridgeway Capital Management, LLC | 0.162% | -27.195% | 296,100 | -110,600 | 2024-12-31 |
Bank of New York Mellon Corp | 0.161% | 9.303% | 294,906 | 25,099 | 2025-03-31 |
General American Investors Company Inc | 0.207% | 0.000% | 294,350 | 0 | 2024-06-30 |
General American Investors Co Inc | 0.186% | 0.000% | 294,350 | 0 | 2024-09-30 |
Morgan Stanley - Brokerage Accounts | 0.157% | -91.740% | 287,488 | -3,192,980 | 2025-03-31 |
Jane Street Group LLC | 0.162% | -15.578% | 256,689 | -47,367 | 2024-09-30 |
Guggenheim Capital LLC | 0.153% | -4.272% | 242,454 | -10,820 | 2024-09-30 |
Citadel Advisors Llc | 0.159% | 0.000% | 226,300 | 226,300 | 2024-06-30 |
Clearline Capital LP | 0.150% | 0.000% | 211,900 | 0 | 2023-03-31 |
Bank of America Corp | 0.134% | 33.226% | 189,822 | 47,341 | 2023-12-31 |
Amvescap Plc. | 0.133% | 4.877% | 187,934 | 8,740 | 2023-12-31 |
Neumann Advisory Hong Kong Ltd | 0.117% | 0.000% | 166,198 | 0 | 2024-03-31 |
Putnam Investments LLC | 0.111% | 0.000% | 157,589 | 157,589 | 2023-09-30 |
Rhumbline Advisers | 0.102% | 0.321% | 145,199 | 465 | 2024-06-30 |
$QSI Buy the dip.
$QSI tomorrow will be an explosion day
I believe it!
$QSI looks like a loading
$QSI looks like a loading
$QSI not good
$QSI has just been halted from trading due to volatility.
$QSI this is just going to go up forever
$QSI has just been halted from trading due to volatility.
$QSI has just been halted from trading due to volatility.
$QSI has just been halted from trading due to volatility.