Ticker · CUSIP 147448104

CWST

CASELLA WASTE SYS INC
Industrials·Waste Management
···Share
Holders (tracked)
11
Combined shares
3,148,160
Combined value
$273.54M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
11132024Q12025Q4

SEC event timeline

21 events
  1. Ron Baron (Baron Capital / BAMCO) opened position2026-02-17
    +446,242 shares · 2025Q4
    13F
  2. D.E. Shaw & Co. exited2026-02-17
    −48,792 shares · 2025Q4
    13F
  3. Wellington Management trimmed2026-02-17
    −83,386 shares · 2025Q4
    13F
  4. Ken Griffin (Citadel Advisors) added2026-02-17
    +399,971 shares · 2025Q4
    13F
  5. Two Sigma Investments opened position2026-02-17
    +12,571 shares · 2025Q4
    13F
  6. Izzy Englander (Millennium Mgmt) exited2026-02-17
    −119,691 shares · 2025Q4
    13F
  7. AQR Capital Management added2026-02-17
    +6,784 shares · 2025Q4
    13F
  8. T. Rowe Price trimmed2026-02-17
    −109,000 shares · 2025Q4
    13F
  9. Renaissance Technologies exited2026-02-12
    −68,642 shares · 2025Q4
    13F
  10. Norges Bank (Norway SWF) opened position2026-02-10
    +401,703 shares · 2025Q4
    13F
  11. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +236 shares · 2025Q4
    13F
  12. Izzy Englander (Millennium Mgmt) added2025-11-14
    +72,749 shares · 2025Q3
    13F
  13. Two Sigma Investments exited2025-11-14
    −3,631 shares · 2025Q3
    13F
  14. D.E. Shaw & Co. trimmed2025-11-14
    −13,205 shares · 2025Q3
    13F
  15. T. Rowe Price added2025-11-14
    +174,877 shares · 2025Q3
    13F
  16. Wellington Management added2025-11-14
    +317,192 shares · 2025Q3
    13F
  17. AQR Capital Management added2025-11-14
    +946 shares · 2025Q3
    13F
  18. Renaissance Technologies added2025-11-13
    +49,642 shares · 2025Q3
    13F
  19. Norges Bank (Norway SWF) exited2025-11-13
    −484,902 shares · 2025Q3
    13F
  20. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +860 shares · 2025Q3
    13F
  21. Norges Bank (Norway SWF) added2025-11-12
    +117,158 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for CWST →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions3
Added to3
Trimmed2
Exited3

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$35.92B
2022Q2
11
$31.85B
2022Q3
12
$34.0M
2022Q4
12
$384.2M
2023Q1
12
$398.0M
2023Q2
15
$545.7M
2023Q3
13
$350.1M
2023Q4
13
$401.6M
2024Q1
13
$535.1M
2024Q2
13
$586.5M
2024Q3
11
$241.0M
2024Q4
10
$78.2M
2025Q1
10
$177.5M
2025Q2
13
$216.7M
2025Q3
11
$174.9M
2025Q4
11
$273.5M

Who owns CWST

11 super-investors · 2025Q4
Tracked stake
3.15M
shares
Combined value
$274M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added5Trim2Held1
#ManagerSharesValue
1Wellington Management1.31M$128M
2Ken Griffin
Citadel Advisors
464.8K$46M
3Ron Baron
Baron Capital / BAMCO
446.2K$44M
4Norges Bank
Norway SWF
401.7K$39M
5Mario Gabelli
GAMCO
99.2K$10M
6Ken Fisher
Fisher Asset Mgmt
27.7K$3M
7AQR Capital Management18.7K$2M
8Two Sigma Investments12.6K$1M
9Ken Griffin
Citadel Advisors
11.2K$1M
10Ken Griffin
Citadel Advisors
3.2K$313K
11T. Rowe Price355.6K$35K

Recent moves

20 transactions
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