Campbell & Co Investment Adviser’s MKS Inc MKSI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-1,364	Closed	-$218K	–	1279
2025 Q4	$218K	Buy	+1,364	New	+$202K	0.01%	1045
2021 Q4	–	Sell	-2,322	Closed	-$350K	–	738
2021 Q3	$350K	Buy	+2,322	New	+$356K	0.11%	322
2021 Q1	–	Sell	-2,255	Closed	-$339K	–	546
2020 Q4	$339K	Buy	+2,255	New	+$295K	0.21%	192
2019 Q3	–	Sell	-18,547	Closed	-$1.45M	–	691
2019 Q2	$1.45M	Buy	+18,547	New	+$1.57M	0.66%	8
2019 Q1	–	Sell	-6,226	Closed	-$445K	–	570
2018 Q4	$445K	Buy	6,226 +1,476	+31%	+$107K	0.44%	53
2018 Q3	$381K	Sell	4,750 -500	-10%	-$45.7K	0.26%	135
2018 Q2	$502K	Buy	+5,250	New	+$573K	0.39%	65
2017 Q3	–	Sell	-3,558	Closed	-$239K	–	417
2017 Q2	$239K	Buy	+3,558	New	+$270K	0.22%	208
2015 Q2	–	Sell	-9,892	Closed	-$334K	–	207
2015 Q1	$334K	Buy	+9,892	New	+$348K	0.21%	148