Zweig-DiMenna Associates’s Coherent COHR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$27.8M	Buy	116,750 +39,850	+52%	+$9.13M	3.9%	5
2025 Q4	$14.2M	Buy	+76,900	New	+$11.5M	1.01%	35
2024 Q2	–	Sell	-159,808	Closed	-$9.69M	–	87
2024 Q1	$9.69M	Hold	159,808	–	–	0.86%	43
2023 Q4	$6.96M	Buy	159,808 +88,034	+123%	+$3.17M	0.8%	51
2023 Q3	$2.34M	Buy	71,774 +16,049	+29%	+$659K	0.28%	86
2023 Q2	$2.84M	Buy	55,725 +29,635	+114%	+$1.1M	0.38%	78
2023 Q1	$994K	Sell	26,090 -32,602	-56%	-$1.33M	0.13%	88
2022 Q4	$2.06M	Hold	58,692	–	–	0.3%	81
2022 Q3	$2.04M	Hold	58,692	–	–	0.45%	61
2022 Q2	$2.99M	Hold	58,692	–	–	0.6%	62
2022 Q1	$4.25M	Sell	58,692 -58,508	-50%	-$3.98M	0.64%	60
2021 Q4	$8.01M	Buy	+117,200	New	+$7.37M	0.65%	65
2021 Q2	–	Sell	-59,400	Closed	-$4.06M	–	205
2021 Q1	$4.06M	Sell	59,400 -7,600	-11%	-$624K	0.29%	104
2020 Q4	$5.09M	Buy	+67,000	New	+$3.97M	0.34%	84
2019 Q2	–	Sell	-178,000	Closed	-$6.63M	–	101
2019 Q1	$6.63M	Buy	+178,000	New	+$6.58M	0.74%	52
2018 Q2	–	Sell	-105,000	Closed	-$4.29M	–	149
2018 Q1	$4.29M	Buy	+105,000	New	+$4.55M	0.41%	73