Westchester Capital Management, LLC - QUANTUM SI INC ownership

QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 104 filers reported holding QUANTUM SI INC in Q4 2022. The put-call ratio across all filers is 0.27 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 Q4 2022
NameSharesValueWeighting ↓
Knollwood Investment Advisory, LLC 300,000$498,0000.23%
Fosun International Ltd 743,935$1,234,9320.20%
ARK Investment Management 14,448,217$23,984,0400.18%
Nikko Asset Management Americas, Inc. 8,532,917$14,164,6420.17%
Neumann Advisory Hong Kong Ltd 166,198$2760.11%
Green Alpha Advisors, LLC 42,622$70,7530.05%
Red Wave Investments LLC 37,000$61,4200.03%
Flagship Private Wealth, LLC 14,158$23,5020.02%
GENERAL AMERICAN INVESTORS CO INC 119,250$197,9550.02%
Guidance Point Advisors, LLC 25,742$42,7320.02%
View complete list of QUANTUM SI INC shareholders