MKS Ownership | Who Owns MKS?
MKS Ownership Summary
MKS is owned by 111.07% institutional investors, 0.61% insiders. Vanguard group is the largest institutional shareholder, holding 11.54% of MKSI shares. American Funds SMALLCAP World A is the top mutual fund, with 4.45% of its assets in MKS shares.
MKSI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MKS | 111.07% | 0.61% | -11.67% |
| Sector | Technology Stocks | 147.06% | 12.43% | -59.49% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 7.75M | 11.54% | $959.48M |
| Blackrock | 6.61M | 9.87% | $863.50M |
| Blackrock funding, inc. /de | 6.12M | 9.11% | $757.88M |
| Price t rowe associates inc /md/ | 3.63M | 5.41% | $449.66M |
| Victory capital management | 3.58M | 5.33% | $443.37M |
| Fmr | 3.44M | 5.12% | $426.17M |
| Capital investors | 3.25M | 4.84% | $402.83M |
| Wellington management group llp | 3.01M | 4.48% | $373.02M |
| Invesco | 2.38M | 3.55% | $294.99M |
| State street | 2.04M | 3.04% | $252.98M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Value management | 297.71K | 5.91% | $36.85M |
| Expect equity | 31.49K | 3.81% | $3.90M |
| Polaris capital management | 401.30K | 3.26% | $49.67M |
| Harvey partners | 289.00K | 3.18% | $35.77M |
| Blue grotto capital | 211.85K | 3.04% | $26.22M |
| Harber asset management | 68.29K | 3.03% | $8.45M |
| Channing capital management | 744.16K | 2.43% | $92.10M |
| Divisar capital management | 62.00K | 2.09% | $7.67M |
| Roubaix capital | 33.59K | 1.94% | $4.16M |
| Cooke & bieler lp | 1.32M | 1.69% | $163.61M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Franklin resources | 1.41M | 0.04% | 1.13M |
| Point72 asset management | 1.01M | 0.21% | 1.01M |
| Madison investment advisors | 933.94K | 1.10% | 933.94K |
| Norges bank | 818.58K | 0.01% | 818.58K |
| Invesco | 2.38M | 0.05% | 446.82K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 6.12M | 0.01% | -1.19M |
| Rafferty asset management | - | - | -878.11K |
| Barclays | 367.15K | 0.01% | -700.05K |
| Price t rowe associates inc /md/ | 3.63M | 0.05% | -496.11K |
| Madison asset management | 976.09K | 1.33% | -487.59K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Madison investment advisors | 933.94K | 1.10% | 933.94K | $97.49M |
| Norges bank | 818.58K | 0.01% | 818.58K | $85.45M |
| Westfield capital management co lp | 323.36K | 0.17% | 323.36K | $40.02M |
| Ceredex value advisors | 200.13K | 0.57% | 200.13K | $24.77M |
| Delta global management lp | 151.53K | 1.37% | 151.53K | $18.76M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Crewe advisors | -1.00 |
| Mendota financial group | -1.00 |
| Brown brothers harriman | -3.00 |
| Rakuten securities | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 404 | -0.98% | 74,637,907 | 6.06% | 111 | 1.02% | 228 | - | 127 | 6.72% |
| Mar 31, 2025 | 10 | -97.67% | 1,910,894 | -97.29% | 2 | 0.03% | 9 | -96.25% | 1 | -99.19% |
| Dec 31, 2024 | 397 | -6.15% | 67,169,455 | 0.17% | 99 | 1.01% | 219 | -10.25% | 119 | 6.25% |
| Sep 30, 2024 | 418 | 1.70% | 66,862,869 | -3.21% | 99 | 0.93% | 241 | 7.11% | 111 | -7.50% |
| Jun 30, 2024 | 411 | 15.77% | 69,079,229 | 1.71% | 103 | 1.00% | 225 | 25.00% | 120 | 9.09% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds SMALLCAP World A | 2.99M | 4.45% | 153.59K |
| Victory Sycamore Established Value R | 2.58M | 3.85% | 285.00K |
| Sycamore Mid Cap Value Comp | 2.29M | 3.41% | 2.23M |
| iShares Core S&P Mid-Cap ETF | 2.18M | 3.25% | - |
| Vanguard US Total Market Shares ETF | 2.12M | 3.15% | 1.63K |
| Vanguard Total Stock Mkt Idx Inv | 2.11M | 3.15% | -52.06K |
| T. Rowe Price US Mid-Cap Value Equity | 2.04M | 3.04% | 332.13K |
| T. Rowe Price Mid-Cap Value | 2.04M | 3.04% | -3.07K |
| Vanguard Small Cap Index | 1.63M | 2.43% | -9.36K |
| Fidelity Low-Priced Stock | 1.33M | 1.98% | -3.58K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 22, 2025 | Schreiner James Alan | EVP & COO | Sell | $98.60K |
| Oct 01, 2025 | Moloney Jacqueline F | - | Sell | $36.64K |
| Sep 18, 2025 | Schreiner James Alan | EVP & COO | Sell | $103.91K |
| Sep 18, 2025 | Henry David Philip | EVP, Global Str Mktg & GM, MSD | Sell | $650.00K |
| Sep 02, 2025 | Mora Elizabeth | - | Sell | $29.95K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 2 |
| 2025 Q3 | - | 6 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | 3 |
| 2024 Q4 | - | 3 |
MKSI Ownership FAQ
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