Millennium Management’s Quantum-Si Incorporated QSI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-191,791	Closed	-$211K	–	6361
2025 Q4	$211K	Sell	191,791 -2,478,168	-93%	-$4.03M	﹤0.01%	5449
2025 Q3	$3.76M	Sell	2,669,959 -1,109,300	-29%	-$1.6M	﹤0.01%	3430
2025 Q2	$7.41M	Sell	3,779,259 -155,026	-4%	-$229K	0.01%	2580
2025 Q1	$4.72M	Buy	+3,934,285	New	+$7.54M	﹤0.01%	2919
2024 Q4	–	Sell	-150,865	Closed	-$133K	–	6491
2024 Q3	$133K	Sell	150,865 -223,862	-60%	-$217K	﹤0.01%	5536
2024 Q2	$393K	Buy	374,727 +184,940	+97%	+$296K	﹤0.01%	4747
2024 Q1	$374K	Buy	+189,787	New	+$332K	﹤0.01%	4999
2023 Q2	–	Sell	-39,288	Closed	-$69K	–	6694
2023 Q1	$69K	Buy	39,288 +28,181	+254%	+$55.6K	﹤0.01%	5538
2022 Q4	$20K	Buy	+11,107	New	+$28.6K	﹤0.01%	6046
2022 Q2	–	Sell	-618,289	Closed	-$2.89M	–	7486
2022 Q1	$2.89M	Buy	+618,289	New	+$3.01M	﹤0.01%	3528
2021 Q4	–	Sell	-208,722	Closed	-$1.74M	–	7339
2021 Q3	$1.74M	Sell	208,722 -2,541,278	-92%	-$25M	﹤0.01%	4080
2021 Q2	$33.2M	Buy	2,750,000 +2,685,904	+4,190%	+$28.1M	0.04%	827
2021 Q1	$764K	Buy	+64,096	New	+$775K	﹤0.01%	4463