Ticker · CUSIP 98954M200
Holders (tracked)
24
Combined shares
15,812,538
Combined value
$1.06B
Last close
$44.08
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
24172024Q12025Q4
Price is -34.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. +273,889 shares · 2025Q4
    Position
  2. −1,155,409 shares · 2025Q4
    Position
  3. +1,011,813 shares · 2025Q4
    Position
  4. −417,084 shares · 2025Q4
    Position
  5. +65,458 shares · 2025Q4
    Position
  6. +192,640 shares · 2025Q4
    Position
  7. −12,150 shares · 2025Q4
    Position
  8. −739,700 shares · 2025Q4
    Position
  9. +47,827 shares · 2025Q4
    Position
  10. −110,718 shares · 2025Q4
    Position
  11. +14,629 shares · 2025Q4
    Position
  12. +21,887 shares · 2025Q4
    Position
  13. −56,539 shares · 2025Q4
    Position
  14. −253,103 shares · 2025Q4
    Position
  15. −1,031,622 shares · 2025Q4
    Position
  16. −14,900 shares · 2025Q4
    Position
  17. +217,949 shares · 2025Q4
    Position
  18. +75,682 shares · 2025Q4
    Position
  19. −54,505 shares · 2025Q3
    Position
  20. −69,521 shares · 2025Q3
    Position
  21. +21,223 shares · 2025Q3
    Position
  22. +768,979 shares · 2025Q3
    Position
  23. +9,378 shares · 2025Q3
    Position
  24. +178 shares · 2025Q3
    Position
  25. −200,351 shares · 2025Q3
    Position
  26. +889,666 shares · 2025Q3
    Position
  27. −1,183,943 shares · 2025Q3
    Position
  28. +12,150 shares · 2025Q3
    Position
  29. +1,031,622 shares · 2025Q3
    Position
  30. −416,476 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of Z…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$26.46+66.6%$6.5M
Stanley Druckenmiller (Duquesne)2019Q2$40.46+9.0%$8.5M
Baillie Gifford & Co2016Q1$52.60-16.2%$32.6M
Brad Gerstner (Altimeter Capital)2016Q1$54.18-18.6%$96.4M
Ray Dalio (Bridgewater Associates)2022Q1$62.99-30.0%$9.8M
Chase Coleman (Tiger Global)2016Q1$67.35-34.6%$267.0M
Wellington Management2016Q1$67.46-34.7%$81.8M
D.E. Shaw & Co.2016Q1$68.40-35.6%$6.0M
D.E. Shaw & Co.2016Q1$68.40-35.6%$6.0M
D.E. Shaw & Co.2016Q1$68.40-35.6%$6.0M
Paul Tudor Jones (Tudor Investment)2016Q2$68.65-35.8%$2.5M
Paul Tudor Jones (Tudor Investment)2016Q2$68.65-35.8%$2.5M
Paul Tudor Jones (Tudor Investment)2016Q2$68.65-35.8%$2.5M
AQR Capital Management2016Q3$68.72-35.9%$2.0M
Izzy Englander (Millennium Mgmt)2016Q2$69.99-37.0%$21.2M
Izzy Englander (Millennium Mgmt)2016Q2$69.99-37.0%$21.2M
Izzy Englander (Millennium Mgmt)2016Q2$69.99-37.0%$21.2M
Ken Griffin (Citadel Advisors)2016Q3$70.07-37.1%$37.8M
Ken Griffin (Citadel Advisors)2016Q3$70.07-37.1%$37.8M
Ken Griffin (Citadel Advisors)2016Q3$70.07-37.1%$37.8M
Cathie Wood (ARK Invest)2018Q2$74.67-41.0%$10.9M
Steve Cohen (Point72)2019Q1$74.68-41.0%$150K
Larry Robbins (Glenview Capital)2025Q3$74.97-41.2%$51.3M
Norges Bank (Norway SWF)2016Q1$3468.53-98.7%$9.6M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
21
$11.14B
2022Q2
21
$57.00B
2022Q3
20
$59.5M
2022Q4
18
$714.1M
2023Q1
23
$818.7M
2023Q2
21
$1.01B
2023Q3
21
$1.01B
2023Q4
15
$1.31B
2024Q1
17
$939.8M
2024Q2
21
$841.9M
2024Q3
21
$585.8M
2024Q4
22
$707.9M
2025Q1
20
$1.03B
2025Q2
23
$1.17B
2025Q3
22
$1.39B
2025Q4
24
$1.06B

Who owns Z

24 super-investors · 2025Q4
Tracked stake
15.81M
shares
Combined value
$1.06B
% of shares outstanding
shares-out unknown
Quarter action mix
New5Added10Trim7Sold1Held1
#ManagerSharesValue
1Chase Coleman
Tiger Global
6.06M$413M
2Brad Gerstner
Altimeter Capital
2.19M$149M
3Wellington Management1.86M$127M
4Larry Robbins
Glenview Capital
1.16M$79M
5Ken Griffin
Citadel Advisors
856.6K$58M
6Baillie Gifford & Co739.3K$50M
7Izzy Englander
Millennium Mgmt
481.4K$33M
8Ken Griffin
Citadel Advisors
445.7K$30M
9Cathie Wood
ARK Invest
246.3K$17M
10Ray Dalio
Bridgewater Associates
222.8K$15M
11Norges Bank
Norway SWF
217.9K$15M
12Ken Griffin
Citadel Advisors
210.9K$14M
13D.E. Shaw & Co.173.6K$12M
14D.E. Shaw & Co.135.0K$9M
15Izzy Englander
Millennium Mgmt
124.4K$8M
16Izzy Englander
Millennium Mgmt
101.3K$7M
17D.E. Shaw & Co.73.1K$5M
18Paul Tudor Jones
Tudor Investment
57.6K$4M
19Paul Tudor Jones
Tudor Investment
53.1K$4M
20AQR Capital Management44.6K$3M
21Paul Tudor Jones
Tudor Investment
21.9K$1M
22Steve Cohen
Point72
3.4K$232K
23Stanley Druckenmiller
Duquesne
192.6K$13K
24T. Rowe Price147.7K$10K

Recent moves

20 transactions
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