Gabelli Funds’s MKS Inc MKSI Stock Holding History

Gabelli Funds’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	$10.8M	Buy	47,058 +32	+0.1%	+$7.24K	0.07%	309
2025 Q4	$7.51M	Buy	47,026 +700	+2%	+$104K	0.05%	387
2025 Q3	$5.73M	Buy	46,326 +1,000	+2%	+$107K	0.04%	454
2025 Q2	$4.5M	Buy	45,326 +7,940	+21%	+$645K	0.03%	513
2025 Q1	$3M	Buy	37,386 +5,300	+17%	+$535K	0.02%	565
2024 Q4	$3.35M	Hold	32,086	–	–	0.03%	541
2024 Q3	$3.49M	Sell	32,086 -300	-0.9%	-$35.6K	0.03%	539
2024 Q2	$4.23M	Sell	32,386 -1,800	-5%	-$227K	0.03%	482
2024 Q1	$4.55M	Hold	34,186	–	–	0.03%	476
2023 Q4	$3.52M	Sell	34,186 -114	-0.3%	-$9.26K	0.03%	528
2023 Q3	$2.97M	Sell	34,300 -1,500	-4%	-$146K	0.02%	564
2023 Q2	$3.87M	Buy	35,800 +2,500	+8%	+$229K	0.03%	512
2023 Q1	$2.95M	Sell	33,300 -660	-2%	-$63K	0.02%	582
2022 Q4	$2.88M	Buy	33,960 +7,700	+29%	+$617K	0.02%	575
2022 Q3	$2.17M	Buy	26,260 +6,260	+31%	+$644K	0.02%	634
2022 Q2	$2.05M	Buy	20,000 +2,000	+11%	+$233K	0.02%	666
2022 Q1	$2.7M	Hold	18,000	–	–	0.02%	649
2021 Q4	$3.13M	Hold	18,000	–	–	0.02%	632
2021 Q3	$2.72M	Hold	18,000	–	–	0.02%	663
2021 Q2	$3.2M	Sell	18,000 -500	-3%	-$90.8K	0.02%	638
2021 Q1	$3.43M	Buy	18,500 +5,500	+42%	+$924K	0.02%	604
2020 Q4	$1.96M	Sell	13,000 -1,000	-7%	-$131K	0.01%	721
2020 Q3	$1.53M	Hold	14,000	–	–	0.01%	738
2020 Q2	$1.58M	Sell	14,000 -4,000	-22%	-$398K	0.01%	712
2020 Q1	$1.47M	Hold	18,000	–	–	0.01%	709
2019 Q4	$1.98M	Hold	18,000	–	–	0.01%	731
2019 Q3	$1.66M	Hold	18,000	–	–	0.01%	767
2019 Q2	$1.4M	Sell	18,000 -2,000	-10%	-$169K	0.01%	830
2019 Q1	$1.86M	Hold	20,000	–	–	0.01%	775
2018 Q4	$1.29M	Hold	20,000	–	–	0.01%	821
2018 Q3	$1.6M	Hold	20,000	–	–	0.01%	830
2018 Q2	$1.91M	Hold	20,000	–	–	0.01%	803
2018 Q1	$2.31M	Hold	20,000	–	–	0.01%	745
2017 Q4	$1.89M	Sell	20,000 -187	-0.9%	-$18.6K	0.01%	791
2017 Q3	$1.91M	Hold	20,187	–	–	0.01%	795
2017 Q2	$1.36M	Hold	20,187	–	–	0.01%	852
2017 Q1	$1.39M	Hold	20,187	–	–	0.01%	865
2016 Q4	$1.2M	Hold	20,187	–	–	0.01%	885
2016 Q3	$1M	Hold	20,187	–	–	0.01%	914
2016 Q2	$869K	Hold	20,187	–	–	0.01%	952
2016 Q1	$760K	Hold	20,187	–	–	﹤0.01%	945
2015 Q4	$727K	Hold	20,187	–	–	﹤0.01%	954
2015 Q3	$677K	Hold	20,187	–	–	﹤0.01%	903
2015 Q2	$766K	Hold	20,187	–	–	﹤0.01%	917
2015 Q1	$683K	Hold	20,187	–	–	﹤0.01%	931
2014 Q4	$739K	Hold	20,187	–	–	﹤0.01%	937
2014 Q3	$674K	Hold	20,187	–	–	﹤0.01%	944
2014 Q2	$631K	Hold	20,187	–	–	﹤0.01%	940
2014 Q1	$603K	Hold	20,187	–	–	﹤0.01%	932
2013 Q4	$604K	Hold	20,187	–	–	﹤0.01%	921
2013 Q3	$537K	Hold	20,187	–	–	﹤0.01%	920
2013 Q2	$536K	Buy	+20,187	New	+$546K	﹤0.01%	911

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

Gabelli Funds's MKSI Position: Q1 2026 in Review

Gabelli Funds increased its MKS Inc (MKSI) stake by 0.07% in Q1 2026, buying an estimated $7.24K and bringing the position to 47,058 shares worth $10.8M. The position accounts for 0.07% of the portfolio, ranked #309.

Gabelli Funds first reported a position in MKSI in Q2 2013 and has held it in 52 quarters since. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

Gabelli Funds held 47,058 shares of MKS Inc worth $10.8M as of Q1 2026.
Gabelli Funds bought 32 MKS Inc shares in Q1 2026, an estimated $7.24K.
MKS Inc made up 0.07% of Gabelli Funds's portfolio in Q1 2026, its #309 holding.
Gabelli Funds first reported a position in MKS Inc in Q2 2013 and has held it in 52 quarters since.
615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Gabelli Funds's 13F filing for Q1 2026, filed 14 May 2026.