Fox Run Management’s MKS Inc MKSI Stock Holding History

Fox Run Management’s Portfolio MKSI Stock Details MKSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$242K	Sell	545 -3,503	-87%	-$1.1M	0.04%	753
2026 Q1	$852K	Buy	+4,048	New	+$915K	0.15%	235
2025 Q1	–	Sell	-7,192	Closed	-$751K	–	1103
2024 Q4	$751K	Sell	7,192 -6,559	-48%	-$708K	0.14%	279
2024 Q3	$1.49M	Buy	13,751 +4,364	+46%	+$518K	0.33%	31
2024 Q2	$1.23M	Buy	+9,387	New	+$1.18M	0.23%	118
2023 Q2	–	Sell	-6,761	Closed	-$599K	–	860
2023 Q1	$599K	Buy	+6,761	New	+$645K	0.2%	179
2021 Q3	–	Sell	-1,243	Closed	-$221K	–	568
2021 Q2	$221K	Buy	+1,243	New	+$226K	0.2%	257
2017 Q4	–	Sell	-4,400	Closed	-$416K	–	796
2017 Q3	$416K	Buy	+4,400	New	+$360K	0.12%	366
2017 Q2	–	Sell	-4,900	Closed	-$337K	–	747
2017 Q1	$337K	Sell	4,900 -1,700	-26%	-$112K	0.14%	327
2016 Q4	$392K	Buy	+6,600	New	+$356K	0.21%	207

Other funds holding MKSI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

AMH

Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 1-Year Est. Return

Fox Run Management's MKSI Position: Q2 2026 in Review

Fox Run Management reduced its MKS Inc (MKSI) stake by 87% in Q2 2026, selling an estimated $1.1M and leaving 545 shares worth $242K. The position accounts for 0.04% of the portfolio, ranked #753.

Fox Run Management first reported a position in MKSI in Q4 2016 and has held it in 10 quarters since. The position peaked at $1.49M in Q3 2024. 775 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

Fox Run Management held 545 shares of MKS Inc worth $242K as of Q2 2026.
Fox Run Management sold 3,503 MKS Inc shares in Q2 2026, an estimated $1.1M.
MKS Inc made up 0.04% of Fox Run Management's portfolio in Q2 2026, its #753 holding.
Fox Run Management first reported a position in MKS Inc in Q4 2016 and has held it in 10 quarters since.
Fox Run Management's MKS Inc position peaked at $1.49M in Q3 2024.
775 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Fox Run Management's 13F filing for Q2 2026, filed 4 Aug 2026.