Ticker · CUSIP 48123V102
Holders (tracked)
9
Combined shares
1,545,236
Combined value
$54.32M
Last close
$47.55
Quarter
2025Q4
Price · 1Y$47.55+17.07 (+56.00%)H $47.55 · L $26.51 · Avg Vol 708K
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
Price is +35.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
18 events
- AQR Capital Management added2026-02-17+187,431 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+298,291 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−11,212 shares · 2025Q4Position
- Jeremy Grantham (GMO) exited2026-02-17−5,576 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+97,800 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−25,313 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+250 shares · 2025Q4Position
- −30,669 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) exited2026-02-09−10,531 shares · 2025Q4Position
- AQR Capital Management trimmed2025-11-14−39,953 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−95,269 shares · 2025Q3Position
- Two Sigma Investments opened position2025-11-14+31,640 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+190,682 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+3,477 shares · 2025Q3Position
- Wellington Management exited2025-11-14−324,152 shares · 2025Q3Position
- +280,175 shares · 2025Q3Position
- Jeremy Grantham (GMO) opened position2025-11-13+5,576 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−488,674 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ZD…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $32.77 | +45.1% | $813K |
| D.E. Shaw & Co. | 2017Q2 | $35.20 | +35.1% | $30.8M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $35.35 | +34.5% | $989K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $35.35 | +34.5% | $989K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $35.35 | +34.5% | $989K |
| AQR Capital Management | 2016Q1 | $36.88 | +28.9% | $19.0M |
| Ray Dalio (Bridgewater Associates) | 2023Q2 | $38.44 | +23.7% | $11.9M |
| Two Sigma Investments | 2016Q2 | $53.38 | -10.9% | $971K |
| T. Rowe Price | 2016Q1 | $64.55 | -26.3% | $2.1M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to4
- D.E. Shaw & Co.+298,291$10.5M
- AQR Capital Management+187,431$6.6M
- Ken Griffin (Citadel Advisors)+97,800$3.4M
- T. Rowe Price+250$9
Trimmed3
- Ray Dalio (Bridgewater Associates)−30,669$1.1M
- Izzy Englander (Millennium Mgmt)−25,313$890K
- Two Sigma Investments−11,212$394K
Exited2
- Ken Fisher (Fisher Asset Mgmt)−10,531$401K
- Jeremy Grantham (GMO)−5,576$212K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $33.27B |
| 2022Q2 | 11 | $20.99B |
| 2022Q3 | 12 | $575.6M |
| 2022Q4 | 12 | $685.1M |
| 2023Q1 | 10 | $635.6M |
| 2023Q2 | 13 | $548.4M |
| 2023Q3 | 13 | $447.9M |
| 2023Q4 | 11 | $470.7M |
| 2024Q1 | 12 | $460.9M |
| 2024Q2 | 15 | $412.5M |
| 2024Q3 | 13 | $81.7M |
| 2024Q4 | 9 | $22.2M |
| 2025Q1 | 11 | $31.1M |
| 2025Q2 | 9 | $33.1M |
| 2025Q3 | 11 | $39.1M |
| 2025Q4 | 9 | $54.3M |
Who owns ZD
9 super-investors · 2025Q4
Tracked stake
1.55M
shares
Combined value
$54M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added6Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 648.1K | $23M |
| 2 | AQR Capital Management | 399.3K | $14M |
| 3 | Ray Dalio Bridgewater Associates | 249.5K | $9M |
| 4 | Ken Griffin Citadel Advisors | 121.8K | $4M |
| 5 | T. Rowe Price | 44.9K | $2M |
| 6 | Ken Griffin Citadel Advisors | 23.3K | $819K |
| 7 | Ken Griffin Citadel Advisors | 20.8K | $731K |
| 8 | Two Sigma Investments | 20.4K | $718K |
| 9 | Izzy Englander Millennium Mgmt | 17.1K | $601K |
Recent moves
20 transactions
- +250 · 2025Q4
- −5,576 · 2025Q4
- +187,431 · 2025Q4
- +97,800 · 2025Q4
- −25,313 · 2025Q4
- +298,291 · 2025Q4
- −11,212 · 2025Q4
- −30,669 · 2025Q4
- −10,531 · 2025Q4
- −39,953 · 2025Q3
- +31,640 · 2025Q3
- −95,269 · 2025Q3
- −324,152 · 2025Q3
- +190,682 · 2025Q3
- +3,477 · 2025Q3
- +280,175 · 2025Q3
- +5,576 · 2025Q3
- −488,674 · 2024Q3
- +146,171 · 2025Q2
- +3,613 · 2025Q2
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