Ticker · CUSIP 98980G102
Holders (tracked)
23
Combined shares
10,439,838
Combined value
$1.77B
Last close
$134.33
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
23182024Q12025Q4
Price is -20.8% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

27 events
  1. −342,526 shares · 2025Q4
    13F
  2. −103,500 shares · 2025Q4
    13F
  3. +63,839 shares · 2025Q4
    13F
  4. −872,732 shares · 2025Q4
    13F
  5. −50,591 shares · 2025Q4
    13F
  6. +211,300 shares · 2025Q4
    13F
  7. +7,195 shares · 2025Q4
    13F
  8. −355,891 shares · 2025Q4
    13F
  9. −1,358 shares · 2025Q4
    13F
  10. +21,700 shares · 2025Q4
    13F
  11. +777,414 shares · 2025Q4
    13F
  12. −21,258 shares · 2025Q4
    13F
  13. +2,800 shares · 2025Q4
    13F
  14. +354,626 shares · 2025Q4
    13F
  15. +21,669 shares · 2025Q4
    13F
  16. −144,363 shares · 2025Q3
    13F
  17. −255,000 shares · 2025Q3
    13F
  18. −645,603 shares · 2025Q3
    13F
  19. +1,077,613 shares · 2025Q3
    13F
  20. −224,297 shares · 2025Q3
    13F
  21. −666 shares · 2025Q3
    13F
  22. +741,756 shares · 2025Q3
    13F
  23. −173,400 shares · 2025Q3
    13F
  24. −82,868 shares · 2025Q3
    13F
  25. +26,776 shares · 2025Q3
    13F
  26. +16,662 shares · 2025Q3
    13F
  27. −97,383 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ZS…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2018Q1$9.20+1360.4%$345.5M
Ron Baron (Baron Capital / BAMCO)2018Q1$148.49-9.5%$25.7M
Chase Coleman (Tiger Global)2024Q4$183.20-26.7%$212.2M
Ken Fisher (Fisher Asset Mgmt)2022Q4$189.77-29.2%$13.8M
Wellington Management2018Q2$197.16-31.9%$18.0M
AQR Capital Management2019Q1$228.77-41.3%$214.8M
Paul Tudor Jones (Tudor Investment)2018Q1$236.28-43.1%$7.3M
Paul Tudor Jones (Tudor Investment)2018Q1$236.28-43.1%$7.3M
Izzy Englander (Millennium Mgmt)2018Q1$246.26-45.5%$6.7M
Izzy Englander (Millennium Mgmt)2018Q1$246.26-45.5%$6.7M
Izzy Englander (Millennium Mgmt)2018Q1$246.26-45.5%$6.7M
Ray Dalio (Bridgewater Associates)2019Q4$246.35-45.5%$741K
Steve Cohen (Point72)2018Q1$248.84-46.0%$4.5M
Steve Cohen (Point72)2018Q1$248.84-46.0%$4.5M
D.E. Shaw & Co.2018Q2$265.69-49.4%$93.0M
D.E. Shaw & Co.2018Q2$265.69-49.4%$93.0M
D.E. Shaw & Co.2018Q2$265.69-49.4%$93.0M
Two Sigma Investments2018Q2$273.17-50.8%$27.1M
Ken Griffin (Citadel Advisors)2019Q1$283.03-52.5%$32.2M
Ken Griffin (Citadel Advisors)2019Q1$283.03-52.5%$32.2M
Ken Griffin (Citadel Advisors)2019Q1$283.03-52.5%$32.2M
Renaissance Technologies2018Q3$301.04-55.4%$14.5M
Norges Bank (Norway SWF)2019Q1$340.91-60.6%$47.6M

Who moved on this name in 2025Q4

13F transactions 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
20
$161.10B
2022Q2
21
$68.42B
2022Q3
18
$78.0M
2022Q4
20
$1.35B
2023Q1
20
$1.30B
2023Q2
22
$1.94B
2023Q3
20
$2.02B
2023Q4
19
$2.62B
2024Q1
18
$2.34B
2024Q2
23
$2.71B
2024Q3
20
$1.18B
2024Q4
21
$1.50B
2025Q1
21
$1.58B
2025Q2
22
$3.44B
2025Q3
20
$2.77B
2025Q4
23
$1.77B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-01-13Rob BresnahanSell$1K – $15KPDF ↗

Who owns ZS

23 super-investors · 2025Q4
Tracked stake
10.44M
shares
Combined value
$1.77B
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added9Trim11
#ManagerSharesValue
1AQR Capital Management1.60M$360M
2Chase Coleman
Tiger Global
1.58M$355M
3Ken Griffin
Citadel Advisors
703.4K$158M
4D.E. Shaw & Co.692.5K$156M
5Ken Griffin
Citadel Advisors
684.0K$154M
6D.E. Shaw & Co.477.2K$107M
7D.E. Shaw & Co.364.1K$82M
8Norges Bank
Norway SWF
354.6K$80M
9Ken Griffin
Citadel Advisors
240.1K$54M
10Two Sigma Investments201.4K$45M
11Ron Baron
Baron Capital / BAMCO
191.0K$43M
12Paul Tudor Jones
Tudor Investment
157.2K$35M
13Wellington Management134.1K$30M
14Renaissance Technologies108.3K$24M
15Ken Fisher
Fisher Asset Mgmt
103.0K$23M
16Izzy Englander
Millennium Mgmt
76.4K$17M
17Paul Tudor Jones
Tudor Investment
54.1K$12M
18Izzy Englander
Millennium Mgmt
49.7K$11M
19Steve Cohen
Point72
33.7K$8M
20Izzy Englander
Millennium Mgmt
30.2K$7M
21Steve Cohen
Point72
28.2K$6M
22Ray Dalio
Bridgewater Associates
5.5K$1M
23T. Rowe Price2.57M$579K

Recent moves

20 transactions
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