Westchester Capital Management, LLC - QUANTUM SI INC ownership

QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 95 filers reported holding QUANTUM SI INC in Q3 2023. The put-call ratio across all filers is 0.43 and the average weighting 0.0%.

Quarter-by-quarter ownership
Westchester Capital Management, LLC ownership history of QUANTUM SI INC
ValueSharesWeighting
Q2 2023$116,285
+1.7%
64,9640.0%0.00%
+33.3%
Q1 2023$114,337
-3.8%
64,9640.0%0.00%0.0%
Q4 2022$118,884
-33.6%
64,9640.0%0.00%
-40.0%
Q3 2022$179,000
+18.5%
64,9640.0%0.01%
+25.0%
Q2 2022$151,000
-50.3%
64,9640.0%0.00%
-50.0%
Q1 2022$304,000
-40.5%
64,9640.0%0.01%
-46.7%
Q4 2021$511,000
-5.7%
64,9640.0%0.02%
-6.2%
Q3 2021$542,000
-61.5%
64,964
-43.3%
0.02%
-51.5%
Q2 2021$1,406,000114,6440.03%
Other shareholders
QUANTUM SI INC shareholders Q3 2023
NameSharesValueWeighting ↓
Foresite Capital Management V, LLC 2,342,061$19,533,0006.07%
Foresite Capital Management IV, LLC 4,463,619$37,227,0005.48%
Glenview Capital Management 6,000,000$50,040,0000.91%
Neumann Advisory Hong Kong Ltd 492,733$4,1090.73%
Fosun International Ltd 743,936$6,204,0000.32%
Clearline Capital LP 377,897$3,152,0000.30%
ARK Investment Management 12,698,381$105,904,0000.25%
ASSET MANAGEMENT CORP /IL/ /ADV 59,444$496,0000.25%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,400,000$11,676,0000.23%
Rubric Capital Management LP 672,385$5,608,0000.16%
View complete list of QUANTUM SI INC shareholders