Security record · archived quarter
WST
West Pharmaceutical Services, Inc. · Healthcare · Medical - Instruments & Supplies
20Tracked holders
0Δ holders
24.84MShares held
$5.43BReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.8% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 162 | +3 | 50.44M | $18.07B | +8 | −4 |
| Q1 2026 | 161 | -2 | 49.75M | $12.46B | +4 | −7 |
| Q4 2025 | 162 | +3 | 53.70M | $14.74B | +5 | −1 |
| Q3 2025 | 21 | -1 | 26.99M | $7.08B | — | −2 |
| Q2 2025 | 20 | 0 | 24.84M | $5.43B | +1 | −1 |
| Q1 2025 | 17 | +2 | 8.37M | $1.87B | +2 | — |
| Q4 2024 | 15 | +2 | 8.55M | $2.80B | +2 | — |
| Q3 2024 | 12 | -1 | 4.43M | $1.33B | — | −1 |
| Q2 2024 | 13 | — | 5.33M | $1.75B | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 9.32M | — | $2.04B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 9.32M | — | $2.04B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 9.32M | — | $2.04B | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 9.32M | — | $2.04B | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 9.32M | — | $2.04B | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 6.60M | — | $1.45B | 0.0% | n/c | 1 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 3.27M | +2.1% | $715.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 1.83M | -1.1% | $399.36M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 1.83M | -1.1% | $399.36M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Norges Bank ✦ (passive) | 917.79K | +1.6% | $200.81M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Two Sigma Investments ✦ | 584.07K | +11.7% | $127.79M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 32 | Millennium Management ✦ | 465.59K | +53.0% | $101.87M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 33 | Gates Foundation Trust ✦ | 444.50K | 0.0% | $97.26M | 0.2% | Held | 2 | SEC ↗ |
| 34 | Point72 Asset Management ✦ | 339.95K | +165.0% | $74.38M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 35 | D. E. Shaw & Co. ✦ | 284.34K | +176.0% | $62.21M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 36 | D. E. Shaw & Co. ✦ | 284.34K | +176.0% | $62.21M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 37 | Arrowstreet Capital ✦ | 129.03K | +212.0% | $28.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Citadel Advisors ✦ | 128.79K | -54.1% | $28.18M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | Citadel Advisors ✦ | 128.79K | -54.1% | $28.18M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 40 | T. Rowe Price ✦ | 117.63K | -24.0% | $25.74M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 41 | T. Rowe Price ✦ | 117.63K | -24.0% | $25.74M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 47 | AQR Capital Management ✦ | 104.95K | +2295.6% | $22.96M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 48 | Fidelity (FMR) ✦ | 104.78K | — | $22.93M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Fidelity (FMR) ✦ | 104.78K | — | $22.93M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Fidelity (FMR) ✦ | 104.78K | — | $22.93M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Adage Capital Partners ✦ | 65.81K | -68.8% | $14.40M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 52 | Marshall Wace ✦ | 62.53K | -62.4% | $13.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 53 | Marshall Wace ✦ | 62.53K | -62.4% | $13.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 54 | Marshall Wace ✦ | 62.53K | -62.4% | $13.68M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 55 | Fisher Asset Management ✦ | 24.34K | -17.0% | $5.33M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 56 | Renaissance Technologies ✦ | 24.30K | New | $5.32M | 0.0% | New | 1 | SEC ↗ |
| 57 | Wellington Management ✦ | 13.81K | +2.3% | $3.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 58 | Wellington Management ✦ | 13.81K | +2.3% | $3.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $5.32M | 0.0% |
Exited
| Gotham Asset Management | $467,909 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 749 holders, 70.07M shares, $16.37B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 06
SC 13G — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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