MKS Ownership | Who Owns MKS?

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MKS Ownership Summary

MKS is owned by 106.15% institutional investors, 0.50% insiders. Vanguard group is the largest institutional shareholder, holding 11.13% of MKSI shares. American Funds SMALLCAP World A is the top mutual fund, with 3.63% of its assets in MKS shares.

MKSI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MKS	106.15%	0.50%	-6.65%
Sector	Technology Stocks	78.07%	14.90%	7.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	7.49M	11.13%	$1.20B
Blackrock funding, inc. /de	6.93M	10.28%	$3.08B
Blackrock	6.61M	9.87%	$863.50M
Invesco	4.66M	6.92%	$2.07B
Jpmorgan chase	3.37M	5.01%	$1.40B
Vanguard capital management	3.05M	4.52%	$1.36B
State street	2.13M	3.17%	$949.44M
Point72 asset management	2.00M	2.96%	$888.20M
Capital investors	1.92M	2.84%	$851.88M
Price t rowe associates inc /md/	1.89M	2.80%	$840.63M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Fenghe fund management pte.	581.69K	24.54%	$258.73M
Value management	159.45K	11.85%	$70.92M
Daventry group, lp	31.45K	10.56%	$13.99M
Aspex management (hk)	1.82M	9.11%	$809.73M
Sachem head capital management lp	812.70K	7.50%	$361.49M
Divisar capital management	62.50K	6.41%	$27.80M
Blue grotto capital	149.42K	5.55%	$66.46M
Light street capital management	103.80K	5.11%	$46.17M
Whale rock capital management	1.27M	4.54%	$565.51M
Harvey partners	141.07K	4.30%	$62.75M

Top Buyers

Holder	Shares	% Assets	Change
Jpmorgan chase	3.37M	0.08%	1.28M
Alkeon capital management	1.07M	0.64%	1.07M
Norges bank	954.67K	0.04%	954.67K
Invesco	4.66M	0.16%	940.21K
Madison investment advisors	933.94K	1.10%	933.94K

Top Sellers

Holder	Shares	% Assets	Change
Southpoint capital advisors lp	-	-	-600.00K
Fmr	1.50M	0.03%	-434.35K
Wellington management group llp	1.42M	0.11%	-417.10K
Freestone grove partners lp	-	-	-413.76K
Franklin resources	85.74K	0.01%	-390.15K

New Positions

Holder	Shares	% Assets	Change	Value
Alkeon capital management	1.07M	0.64%	1.07M	$476.84M
Norges bank	954.67K	0.04%	954.67K	$424.64M
Madison investment advisors	933.94K	1.10%	933.94K	$97.49M
Sachem head capital management lp	812.70K	7.50%	812.70K	$361.49M
Sixth street partners management company	808.20K	0.05%	808.20K	$359.49M

Sold Out

Holder	Change
Crewe advisors	-1.00
Ross\johnson & associates	-1.00
Mendota financial group	-1.00
Tortoise investment management	-2.00
Curio wealth	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	799	25.24%	71,543,467	3.74%	106	1.01%	457	24.86%	250	29.53%
Mar 31, 2026	319	-40.04%	16,540,297	-76.55%	24	0.22%	176	-42.86%	94	-34.27%
Dec 31, 2025	181	-60.13%	12,801,198	-82.22%	19	0.17%	108	-53.04%	40	-71.22%
Sep 30, 2025	192	-52.00%	18,973,653	-74.01%	28	0.24%	98	-56.83%	58	-53.97%
Jun 30, 2025	404	-0.98%	74,637,907	6.06%	111	1.02%	228	-	127	6.72%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
American Funds SMALLCAP World A	2.45M	3.63%	-105.05K
iShares Core S&P Mid-Cap ETF	2.32M	3.43%	71.00
Sycamore Mid Cap Value Comp	2.29M	3.41%	2.23M
Vanguard MStar Total Stk Mkt Idx Invest	2.15M	3.18%	6.20K
Vanguard Morn Total Stk Mkt Idx Investor	2.14M	3.17%	3.79K
Vanguard Total Stock Mkt Idx Inv	2.14M	3.17%	3.79K
Vanguard US Total Market Shares ETF	2.12M	3.15%	1.63K
Vanguard Small Cap Index	1.55M	2.30%	3.15K
Invesco Small Cap Value A	1.15M	1.70%	-
iShares Semiconductor ETF	1.13M	1.68%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 01, 2026	Mora Elizabeth	-	Sell	$75.29K
Aug 14, 2026	Lee John Tseng-Chung	President & CEO	Sell	$3.02M
Aug 03, 2026	Williams John Edward	EVP & GM, PSD	Sell	$131.76K
Jun 12, 2026	Schreiner James Alan	EVP & COO	Sell	$75.30K
Jun 12, 2026	Schreiner James Alan	EVP & COO	Sell	$281.28K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	3
2026 Q2	-	23
2026 Q1	-	18
2025 Q4	-	3
2025 Q3	-	6

MKSI Ownership FAQ

Who owns the most shares of MKS?

MKS’s largest shareholders are Vanguard group (7.49M shares, 11.13%), Blackrock funding, inc. /de (6.93M shares, 10.28%), and Blackrock (6.61M shares, 9.87%). Together, they hold 31.28% of MKS’s total shares outstanding.

Does Blackrock own MKS?

Yes, BlackRock owns 9.87% of MKS, totaling 6.61M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 863.5M$. In the last quarter, BlackRock increased its holdings by 201.24K shares, a 3.14% change.

Who is MKS’s biggest shareholder by percentage of total assets invested?

Fenghe fund management pte is MKS’s biggest shareholder by percentage of total assets invested, with 24.54% of its assets in 581.69K MKS shares, valued at 258.73M$.

Who is the top mutual fund holder of MKS shares?

American Funds SMALLCAP World A is the top mutual fund holder of MKS shares, with 3.63% of its total shares outstanding invested in 2.45M MKS shares.

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