Ticker · CUSIP 00790R104

WMS

ADVANCED DRAIN SYS INC DEL
Industrials·Building Products & Equipment
···Share
Holders (tracked)
16
Combined shares
6,344,731
Combined value
$909.35M
Last close
$144.32
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
16162024Q12025Q4
Price is +0.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

26 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +22,839 shares · 2025Q4
    13F
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +241,493 shares · 2025Q4
    13F
  3. AQR Capital Management added2026-02-17
    +33,875 shares · 2025Q4
    13F
  4. D.E. Shaw & Co. trimmed2026-02-17
    −307 shares · 2025Q4
    13F
  5. Jeremy Grantham (GMO) trimmed2026-02-17
    −13,831 shares · 2025Q4
    13F
  6. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −141,274 shares · 2025Q4
    13F
  7. Wellington Management added2026-02-17
    +75,250 shares · 2025Q4
    13F
  8. T. Rowe Price added2026-02-17
    +7,365 shares · 2025Q4
    13F
  9. Ray Dalio (Bridgewater Associates) opened position2026-02-13
    +60,895 shares · 2025Q4
    13F
  10. Norges Bank (Norway SWF) opened position2026-02-10
    +1,081,179 shares · 2025Q4
    13F
  11. Ken Fisher (Fisher Asset Mgmt) exited2026-02-09
    −40,607 shares · 2025Q4
    13F
  12. First Eagle Investment Management added2026-02-04
    +1,226 shares · 2025Q4
    13F
  13. Baillie Gifford & Co trimmed2026-01-23
    −151,057 shares · 2025Q4
    13F
  14. AQR Capital Management added2025-11-14
    +8,215 shares · 2025Q3
    13F
  15. Izzy Englander (Millennium Mgmt) added2025-11-14
    +41,936 shares · 2025Q3
    13F
  16. D.E. Shaw & Co. trimmed2025-11-14
    −6,259 shares · 2025Q3
    13F
  17. T. Rowe Price added2025-11-14
    +4,051 shares · 2025Q3
    13F
  18. Wellington Management added2025-11-14
    +832,929 shares · 2025Q3
    13F
  19. Ron Baron (Baron Capital / BAMCO) added2025-11-14
    +75 shares · 2025Q3
    13F
  20. Jeremy Grantham (GMO) trimmed2025-11-13
    −53,914 shares · 2025Q3
    13F
  21. Norges Bank (Norway SWF) exited2025-11-13
    −792,171 shares · 2025Q3
    13F
  22. Renaissance Technologies exited2025-11-13
    −9,837 shares · 2025Q3
    13F
  23. Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
    −44 shares · 2025Q3
    13F
  24. Norges Bank (Norway SWF) added2025-11-12
    +40,042 shares · 2024Q3
    13F
  25. First Eagle Investment Management opened position2025-11-12
    +4,100 shares · 2025Q3
    13F
  26. Baillie Gifford & Co trimmed2025-10-31
    −77,439 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for WMS →
Follow-the-investor returns
If you'd copied each holder of WMS…
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 Price2016Q3$17.60+719.8%$9.5M
Ron Baron (Baron Capital / BAMCO)2019Q3$32.30+346.8%$42.5M
Baillie Gifford & Co2022Q4$92.69+55.7%$323.9M
Izzy Englander (Millennium Mgmt)2016Q2$118.15+22.1%$25.6M
Wellington Management2016Q1$127.64+13.1%$182.4M
Jeremy Grantham (GMO)2023Q1$138.08+4.5%$29.1M
First Eagle Investment Management2025Q3$140.11+3.0%$769K
Ray Dalio (Bridgewater Associates)2023Q3$141.82+1.8%$8.8M
D.E. Shaw & Co.2016Q2$142.52+1.3%$1.4M
D.E. Shaw & Co.2016Q2$142.52+1.3%$1.4M
AQR Capital Management2016Q1$142.67+1.2%$6.5M
Paul Tudor Jones (Tudor Investment)2016Q4$142.93+1.0%$3.3M
Ken Griffin (Citadel Advisors)2016Q3$144.80-0.3%$404K
Ken Griffin (Citadel Advisors)2016Q3$144.80-0.3%$404K
Ken Griffin (Citadel Advisors)2016Q3$144.80-0.3%$404K
Norges Bank (Norway SWF)2016Q1$607.16-76.2%$156.0M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions3
Added to5
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
11
$67.82B
2022Q2
11
$51.42B
2022Q3
14
$76.3M
2022Q4
14
$456.6M
2023Q1
13
$910.4M
2023Q2
13
$1.29B
2023Q3
13
$1.41B
2023Q4
13
$1.58B
2024Q1
16
$2.11B
2024Q2
16
$2.09B
2024Q3
14
$793.6M
2024Q4
15
$506.1M
2025Q1
12
$412.6M
2025Q2
15
$535.3M
2025Q3
13
$709.7M
2025Q4
16
$909.4M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-07-16Lisa McClainSell$1K – $15KPDF ↗
2025-06-17Lisa McClainBuy$1K – $15KPDF ↗
2025-01-13Rob BresnahanSell$1K – $15KPDF ↗

Who owns WMS

16 super-investors · 2025Q4
Tracked stake
6.34M
shares
Combined value
$909M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added7Trim5Held1
#ManagerSharesValue
1Baillie Gifford & Co2.24M$325M
2Wellington Management1.26M$183M
3Norges Bank
Norway SWF
1.08M$157M
4Ken Griffin
Citadel Advisors
862.7K$125M
5Ron Baron
Baron Capital / BAMCO
294.7K$43M
6Jeremy Grantham
GMO
201.6K$29M
7Izzy Englander
Millennium Mgmt
177.3K$26M
8Ray Dalio
Bridgewater Associates
60.9K$9M
9AQR Capital Management45.4K$7M
10Paul Tudor Jones
Tudor Investment
22.8K$3M
11D.E. Shaw & Co.10.0K$1M
12First Eagle Investment Management5.3K$771K
13Ken Griffin
Citadel Advisors
4.3K$623K
14Ken Griffin
Citadel Advisors
2.8K$406K
15D.E. Shaw & Co.1.5K$221K
16T. Rowe Price66.0K$10K

Recent moves

20 transactions
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