Ticker · CUSIP 955306105
Holders (tracked)
19
Combined shares
4,475,202
Combined value
$1.14B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
SEC event timeline
30 events
- +40,670 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−481,897 shares · 2025Q413F
- D.E. Shaw & Co. exited2026-02-17−127,146 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−28,248 shares · 2025Q413F
- +295,028 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+38,738 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−202,593 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−424,216 shares · 2025Q413F
- T. Rowe Price added2026-02-17+224,722 shares · 2025Q413F
- Wellington Management added2026-02-17+1,241 shares · 2025Q413F
- −37,742 shares · 2025Q413F
- Longview Partners (Guernsey) added2026-02-17+778,887 shares · 2025Q413F
- +4,073 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+104,736 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+988,737 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−3,373 shares · 2025Q413F
- −12,508 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−157,190 shares · 2025Q313F
- AQR Capital Management added2025-11-14+440,929 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−152,601 shares · 2025Q313F
- Steve Cohen (Point72) added2025-11-14+319,300 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−482,864 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−3,084 shares · 2025Q313F
- Wellington Management added2025-11-14+813 shares · 2025Q313F
- −6,716 shares · 2025Q313F
- +352,139 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−917,792 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−24,300 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−430 shares · 2024Q313F
- Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12−2,389 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions5
- Norges Bank (Norway SWF)+988,737$272.0M
- Andreas Halvorsen (Viking Global)+295,028$81.2M
- Renaissance Technologies+104,736$28.8M
- Paul Tudor Jones (Tudor Investment)+40,670$11.2M
- Ray Dalio (Bridgewater Associates)+4,073$1.1M
Added to4
- Longview Partners (Guernsey)+778,887$214.3M
- Two Sigma Investments+38,738$10.7M
- Wellington Management+1,241$341K
- T. Rowe Price+224,722$62K
Trimmed6
- Ken Griffin (Citadel Advisors)−481,897$132.6M
- Steve Cohen (Point72)−424,216$116.7M
- Izzy Englander (Millennium Mgmt)−202,593$55.7M
- Ron Baron (Baron Capital / BAMCO)−37,742$10.4M
- AQR Capital Management−28,248$7.8M
- Ken Fisher (Fisher Asset Mgmt)−3,373$928K
Exited1
- D.E. Shaw & Co.−127,146$33.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 18 | $279.77B |
| 2022Q2 | 20 | $214.25B |
| 2022Q3 | 17 | $194.9M |
| 2022Q4 | 18 | $2.56B |
| 2023Q1 | 17 | $3.89B |
| 2023Q2 | 18 | $4.37B |
| 2023Q3 | 17 | $4.42B |
| 2023Q4 | 15 | $3.85B |
| 2024Q1 | 17 | $4.52B |
| 2024Q2 | 15 | $3.36B |
| 2024Q3 | 15 | $515.3M |
| 2024Q4 | 14 | $993.7M |
| 2025Q1 | 15 | $439.2M |
| 2025Q2 | 19 | $722.2M |
| 2025Q3 | 14 | $844.8M |
| 2025Q4 | 19 | $1.14B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-07-22 | Lisa McClain | Sell | $1K – $15K | PDF ↗ |
| 2025-06-17 | Lisa McClain | Buy | $1K – $15K | PDF ↗ |
| 2025-04-08 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
| 2025-02-25 | Rob Bresnahan | Buy | $1K – $15K | PDF ↗ |
| 2025-02-13 | Jared Moskowitz | Sell | $1K – $15K | PDF ↗ |
Who owns WST
19 super-investors · 2025Q4
Tracked stake
4.48M
shares
Combined value
$1.14B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added4Trim10
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Longview Partners Guernsey | 1.13M | $311M |
| 2 | Norges Bank Norway SWF | 988.7K | $272M |
| 3 | AQR Capital Management | 517.6K | $142M |
| 4 | Andreas Halvorsen Viking Global | 295.0K | $81M |
| 5 | Ron Baron Baron Capital / BAMCO | 263.2K | $72M |
| 6 | Ken Griffin Citadel Advisors | 245.6K | $68M |
| 7 | Steve Cohen Point72 | 235.0K | $65M |
| 8 | Two Sigma Investments | 139.9K | $39M |
| 9 | Izzy Englander Millennium Mgmt | 110.4K | $30M |
| 10 | Renaissance Technologies | 104.7K | $29M |
| 11 | Paul Tudor Jones Tudor Investment | 40.7K | $11M |
| 12 | Ken Fisher Fisher Asset Mgmt | 18.6K | $5M |
| 13 | Wellington Management | 15.9K | $4M |
| 14 | Ken Griffin Citadel Advisors | 11.4K | $3M |
| 15 | Ken Griffin Citadel Advisors | 11.2K | $3M |
| 16 | Ray Dalio Bridgewater Associates | 4.1K | $1M |
| 17 | Steve Cohen Point72 | 1.6K | $440K |
| 18 | Steve Cohen Point72 | 1.2K | $330K |
| 19 | T. Rowe Price | 339.3K | $93K |
Recent moves
20 transactions
- +40,670 · 2025Q4
- −424,216 · 2025Q4
- −37,742 · 2025Q4
- +224,722 · 2025Q4
- SOLDD.E. Shaw & Co.−127,146 · 2025Q4
- −202,593 · 2025Q4
- −28,248 · 2025Q4
- −481,897 · 2025Q4
- +295,028 · 2025Q4
- +1,241 · 2025Q4
- +38,738 · 2025Q4
- +778,887 · 2025Q4
- +4,073 · 2025Q4
- +104,736 · 2025Q4
- +988,737 · 2025Q4
- −3,373 · 2025Q4
- −12,508 · 2025Q3
- −152,601 · 2025Q3
- +319,300 · 2025Q3
- −482,864 · 2025Q3
Embed this chart
Paste this iframe anywhere to embed the live WST chart.
<iframe src="https://openstocks.me/embed/stock/WST" width="100%" height="480" frameborder="0" loading="lazy" title="WST chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>