Blue Grotto Capital’s MKS Inc MKSI Stock Holding History

Blue Grotto Capital’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 Q1	$86.2M	Sell	375,000 -40,500	-10%	-$9.16M	9.93%	1
2025 Q4	$66.4M	Buy	415,500 +203,652	+96%	+$30.2M	6.82%	2
2025 Q3	$26.2M	Buy	211,848 +24,697	+13%	+$2.63M	3.04%	15
2025 Q2	$18.6M	Sell	187,151 -168,070	-47%	-$13.7M	2.24%	19
2025 Q1	$28.5M	Buy	355,221 +269,227	+313%	+$27.2M	4.65%	7
2024 Q4	$8.98M	Sell	85,994 -14,007	-14%	-$1.51M	1.64%	22
2024 Q3	$10.9M	Buy	100,001 +5,001	+5%	+$594K	2.02%	23
2024 Q2	$12.4M	Sell	95,000 -20,000	-17%	-$2.52M	2.49%	17
2024 Q1	$15.3M	Buy	+115,000	New	+$13.4M	3.1%	18

Other funds holding MKSI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Blue Grotto Capital's MKSI Position: Q1 2026 in Review

Blue Grotto Capital reduced its MKS Inc (MKSI) stake by 9.7% in Q1 2026, selling an estimated $9.16M and leaving 375,000 shares worth $86.2M. The position accounts for 9.93% of the portfolio, ranked #1.

Blue Grotto Capital first reported a position in MKSI in Q1 2024 and has held it in 9 quarters since. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

Blue Grotto Capital held 375,000 shares of MKS Inc worth $86.2M as of Q1 2026.
Blue Grotto Capital sold 40,500 MKS Inc shares in Q1 2026, an estimated $9.16M.
MKS Inc made up 9.93% of Blue Grotto Capital's portfolio in Q1 2026, its #1 holding.
Blue Grotto Capital first reported a position in MKS Inc in Q1 2024 and has held it in 9 quarters since.
615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Blue Grotto Capital's 13F filing for Q1 2026, filed 15 May 2026.