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Recent trades from the last 365 days, plus historical signal scoring over 365 days · institutional 13F view →
All Transactions
0
Real Trades (P/S)
0
Buy Value
$0
Sell Value
$0
Historical signal stats are shown once this stock has at least 3 open-market buys or 8 total P/S trades over the last 365 days.
Current sample: 0 buys, 0 sells, 0 open-market trades.
No insider trading activity found for MKSI in the last 365 days.
Insiders' intent to sell, filed before the trade — a leading indicator to the executed Form 4 sales above. All Form 144 notices →
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.53B | 0.03% | +8.2% |
| 2 | VANGUARD GROUP INC | $1.20B | 0.02% | -3.4% |
| 3 | STATE STREET CORP | $472.89M | 0.02% | +2.0% |
| 4 | FMR LLC | $444.42M | 0.02% | -39.5% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $421.27M | 0.08% | -28.2% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $390.71M | 0.05% | -38.3% |
| 7 | Point72 Asset Management, L.P. | $370.07M | 0.64% | +157.3% |
| 8 | Whale Rock Capital Management LLC | $300.30M | 3.88% | New |
| 9 | CITADEL ADVISORS LLC | $217.64M | 0.15% | +106.8% |
| 10 | MILLENNIUM MANAGEMENT LLC | $205.53M | 0.09% | +9.4% |
| Date | Member | Type | Amount |
|---|---|---|---|
| Oct 31, 2025 | Sell | $1,001 - $15,000 | |
| Oct 30, 2025 |
| Sell |
| $1,001 - $15,000 |
| Oct 30, 2025 | Buy | $1,001 - $15,000 |
| Aug 4, 2025 | Buy | $1,001 - $15,000 |