Ticker · CUSIP 982104101
Holders (tracked)
8
Combined shares
741,803
Combined value
$24.54M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−27,017 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+28,450 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−55,546 shares · 2025Q413F
- T. Rowe Price added2026-02-17+1,409 shares · 2025Q413F
- Wellington Management added2026-02-17+5,463 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−12,641 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−16,500 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+46,665 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−157,273 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−9,530 shares · 2025Q313F
- AQR Capital Management added2025-11-14+1,592 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,464 shares · 2025Q313F
- Wellington Management added2025-11-14+1,504 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+17,000 shares · 2025Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+58,864 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 positions1
- D.E. Shaw & Co.+28,450$985K
Added to3
- Ken Fisher (Fisher Asset Mgmt)+46,665$1.6M
- Wellington Management+5,463$189K
- T. Rowe Price+1,409$49
Trimmed4
- Izzy Englander (Millennium Mgmt)−55,546$1.9M
- Ken Griffin (Citadel Advisors)−27,017$935K
- Renaissance Technologies−16,500$571K
- AQR Capital Management−12,641$438K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q4 | 8 | $158.0M |
| 2024Q1 | 11 | $191.1M |
| 2024Q2 | 11 | $190.5M |
| 2024Q3 | 12 | $27.0M |
| 2024Q4 | 10 | $16.8M |
| 2025Q1 | 10 | $15.1M |
| 2025Q2 | 9 | $26.9M |
| 2025Q3 | 9 | $23.2M |
| 2025Q4 | 8 | $24.5M |
Who owns WS
8 super-investors · 2025Q4
Tracked stake
741.8K
shares
Combined value
$25M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added3Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Fisher Fisher Asset Mgmt | 238.3K | $8M |
| 2 | Izzy Englander Millennium Mgmt | 164.9K | $6M |
| 3 | Renaissance Technologies | 150.8K | $5M |
| 4 | Wellington Management | 76.7K | $3M |
| 5 | AQR Capital Management | 34.2K | $1M |
| 6 | D.E. Shaw & Co. | 28.4K | $985K |
| 7 | Ken Griffin Citadel Advisors | 15.5K | $536K |
| 8 | T. Rowe Price | 33.0K | $1K |
Recent moves
20 transactions
- −12,641 · 2025Q4
- −55,546 · 2025Q4
- +5,463 · 2025Q4
- +1,409 · 2025Q4
- +28,450 · 2025Q4
- −27,017 · 2025Q4
- −16,500 · 2025Q4
- +46,665 · 2025Q4
- +1,464 · 2025Q3
- SOLDD.E. Shaw & Co.−9,530 · 2025Q3
- −157,273 · 2025Q3
- +1,592 · 2025Q3
- +1,504 · 2025Q3
- +17,000 · 2025Q3
- +58,864 · 2025Q3
- +3,741 · 2025Q2
- −4,578 · 2025Q2
- −24,334 · 2025Q2
- TRIMD.E. Shaw & Co.−59,041 · 2025Q2
- +377,707 · 2025Q2
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