Ticker · CUSIP 98139A105
Holders (tracked)
12
Combined shares
3,255,354
Combined value
$190.48M
Last close
$57.49
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is -1.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
22 events
- Ken Griffin (Citadel Advisors) added2026-02-17+369,874 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−443,530 shares · 2025Q413F
- +12,426 shares · 2025Q413F
- AQR Capital Management added2026-02-17+335,221 shares · 2025Q413F
- D.E. Shaw & Co. exited2026-02-17−39,230 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+10,513 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+52,394 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−575,336 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+47,820 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−131,471 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+618,845 shares · 2025Q413F
- −39,444 shares · 2025Q313F
- AQR Capital Management added2025-11-14+86,421 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−260,726 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+791,646 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−143,560 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+2,262 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,442,129 shares · 2025Q313F
- +2,434 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−14,300 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−587,735 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+31,908 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of WK…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2018Q1 | $2.20 | +2509.4% | $60.2M |
| Renaissance Technologies | 2016Q1 | $38.09 | +50.9% | $16.0M |
| Paul Tudor Jones (Tudor Investment) | 2018Q3 | $68.24 | -15.8% | $714K |
| Two Sigma Investments | 2016Q3 | $82.34 | -30.2% | $1.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $83.18 | -30.9% | $4.4M |
| AQR Capital Management | 2018Q1 | $85.56 | -32.8% | $30.0M |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $86.23 | -33.3% | $466K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $86.23 | -33.3% | $466K |
| Ken Griffin (Citadel Advisors) | 2016Q4 | $86.23 | -33.3% | $466K |
| Ray Dalio (Bridgewater Associates) | 2025Q3 | $86.24 | -33.3% | $2.9M |
| Steve Cohen (Point72) | 2019Q2 | $93.79 | -38.7% | $12.4M |
| Norges Bank (Norway SWF) | 2019Q2 | $8465.07 | -99.3% | $35.6M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+618,845$53.4M
- Paul Tudor Jones (Tudor Investment)+12,426$1.1M
Added to5
- Ken Griffin (Citadel Advisors)+369,874$31.9M
- AQR Capital Management+335,221$28.9M
- Izzy Englander (Millennium Mgmt)+52,394$4.5M
- Ray Dalio (Bridgewater Associates)+47,820$4.1M
- Two Sigma Investments+10,513$907K
Trimmed3
- Steve Cohen (Point72)−575,336$49.6M
- Renaissance Technologies−131,471$11.3M
- T. Rowe Price−443,530$38K
Exited1
- D.E. Shaw & Co.−39,230$3.4M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $45.10B |
| 2022Q2 | 11 | $29.68B |
| 2022Q3 | 12 | $36.0M |
| 2022Q4 | 10 | $395.2M |
| 2023Q1 | 12 | $477.8M |
| 2023Q2 | 11 | $529.2M |
| 2023Q3 | 14 | $540.7M |
| 2023Q4 | 11 | $538.1M |
| 2024Q1 | 13 | $446.7M |
| 2024Q2 | 13 | $432.3M |
| 2024Q3 | 12 | $132.1M |
| 2024Q4 | 12 | $212.5M |
| 2025Q1 | 8 | $94.6M |
| 2025Q2 | 10 | $115.5M |
| 2025Q3 | 11 | $131.9M |
| 2025Q4 | 12 | $190.5M |
Who owns WK
12 super-investors · 2025Q4
Tracked stake
3.26M
shares
Combined value
$190M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added7Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 618.8K | $53M |
| 2 | AQR Capital Management | 522.3K | $45M |
| 3 | Ken Griffin Citadel Advisors | 396.2K | $34M |
| 4 | Renaissance Technologies | 279.0K | $24M |
| 5 | Steve Cohen Point72 | 216.3K | $19M |
| 6 | Izzy Englander Millennium Mgmt | 76.8K | $7M |
| 7 | Ray Dalio Bridgewater Associates | 50.3K | $4M |
| 8 | Two Sigma Investments | 23.2K | $2M |
| 9 | Paul Tudor Jones Tudor Investment | 12.4K | $1M |
| 10 | Ken Griffin Citadel Advisors | 8.1K | $699K |
| 11 | Ken Griffin Citadel Advisors | 4.0K | $345K |
| 12 | T. Rowe Price | 1.05M | $90K |
Recent moves
20 transactions
- +335,221 · 2025Q4
- −575,336 · 2025Q4
- +52,394 · 2025Q4
- +12,426 · 2025Q4
- SOLDD.E. Shaw & Co.−39,230 · 2025Q4
- +10,513 · 2025Q4
- +369,874 · 2025Q4
- TRIMT. Rowe Price−443,530 · 2025Q4
- +47,820 · 2025Q4
- −131,471 · 2025Q4
- +618,845 · 2025Q4
- −39,444 · 2025Q3
- +791,646 · 2025Q3
- +2,262 · 2025Q3
- −260,726 · 2025Q3
- −143,560 · 2025Q3
- +1,442,129 · 2025Q3
- +86,421 · 2025Q3
- +2,434 · 2025Q3
- −14,300 · 2025Q3
Embed this chart
Paste this iframe anywhere to embed the live WK chart.
<iframe src="https://openstocks.me/embed/stock/WK" width="100%" height="480" frameborder="0" loading="lazy" title="WK chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Preview: https://openstocks.me/embed/stock/WK