MKSI
MKS Inc. · Technology · Hardware, Equipment & Parts
Momentum inputs (comparable managers):
holder breadth -18.8% ·
share flow +9.3% ·
net new positions -20.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 5 | +1 | 537.56K | $142.25M | +1 | n/a |
| Q2 2026 | 148 | +20 | 50.75M | $22.40B | +22 | −1 |
| Q1 2026 | 130 | +1 | 48.54M | $11.08B | +8 | −8 |
| Q4 2025 | 129 | 0 | 56.69M | $9.04B | +1 | n/a |
| Q3 2025 | 19 | +1 | 31.65M | $3.92B | +2 | −2 |
| Q2 2025 | 16 | 0 | 30.77M | $3.06B | +3 | −3 |
| Q1 2025 | 13 | -3 | 12.48M | $999.93M | n/a | −3 |
| Q4 2024 | 16 | +1 | 11.42M | $1.19B | +3 | −2 |
| Q3 2024 | 14 | 0 | 9.98M | $1.09B | +1 | −1 |
| Q2 2024 | 14 | n/a | 13.33M | $1.74B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 3.52M | +5.2% | $281.76M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 2 | Wellington Management ✦ | 3.25M | +41.8% | $260.49M | 0.1% | ▲ Add | 4 | SEC ↗ ×8 |
| 3 | State Street Global Advisors ✦ (passive) | 2.08M | +0.6% | $166.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.22M | +4.2% | $98.06M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 904.50K | +10.5% | $72.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Millennium Management ✦ | 545.11K | +132.2% | $43.69M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 392.38K | +6.8% | $31.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | Point72 Asset Management ✦ | 359.89K | +11.9% | $28.84M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 70.21K | +19.4% | $5.53M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 10 | Fisher Asset Management ✦ | 53.11K | -87.0% | $4.26M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 37.80K | -69.8% | $3.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 33.80K | -70.6% | $2.71M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | GAMCO Investors ✦ | 8.54K | +110.5% | $684,882 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Two Sigma Investments | $4.41M | was 0.0% |
| Citadel Advisors | $3.87M | was 0.0% |
| Arrowstreet Capital | $683,859 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 613 holders, 66.84M shares, $14.15B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 300 sh · $75,288
Officer, Director · 10.00K sh · $3.02M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology