CASELLA WASTE SYSTEMS INC (CWST) — Institutional Holders, Q2 2026

419 institutional investment managers reported a CWST position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $7.5B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

CWST in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

61

Added to

167

Trimmed

127

Sold out

52

Biggest buyers

  1. WASATCH ADVISORSAdded · +949,374 sh+$92.1M
  2. AMERICAN CENTURY COMPANIESAdded · +805,858 sh+$78.1M
  3. Neuberger Berman GroupAdded · +480,686 sh+$46.6M
  4. SEGALL BRYANT & HAMILLNew · +432,823 sh+$42.0M
  5. CITADEL ADVISORSAdded · +420,836 sh+$40.8M

Biggest sellers

  1. WILLIAM BLAIR INVESTMENT MANAGEMENTTrimmed · -988,752 sh-$95.9M
  2. Conestoga Capital AdvisorsTrimmed · -468,319 sh-$45.4M
  3. Woodline PartnersSold out · -415,406 sh-$40.3M
  4. Capital World InvestorsSold out · -392,100 sh-$38.0M
  5. Global Alpha Capital Management Ltd.Sold out · -325,827 sh-$31.6M

CWST 13F holders ranked 1–100 of 419

Institutional investors reporting a position in CASELLA WASTE SYSTEMS INC on SEC Form 13F-HR for Q2 2026, ranked by reported value.
InstitutionValueQoQ
BlackRock#1 · 9,390,112 sh$910.6M+3.8%
WASATCH ADVISORS#2 · 3,531,594 sh$342.5M+36.8%
VANGUARD PORTFOLIO MANAGEMENT#3 · 3,448,748 sh$334.4M+2.8%
VANGUARD CAPITAL MANAGEMENT#4 · 2,823,033 sh$273.7M+0.9%
STATE STREET#5 · 2,520,170 sh$244.4M+5.5%
Conestoga Capital Advisors#6 · 2,336,156 sh$226.5M-16.7%
T. Rowe Price Investment Management#7 · 2,078,022 sh$201.5M+22.3%
Capital International Investors#8 · 2,054,399 sh$199.2M+5.2%
Capital Research Global Investors#9 · 2,028,646 sh$196.7M-12.9%
GEODE CAPITAL MANAGEMENT#10 · 1,647,147 sh$159.8M+6.1%
JPMORGAN CHASE#11 · 1,544,116 sh$145.9M+13.6%
Invesco Ltd.#12 · 1,459,009 sh$141.5M-11.8%
Neuberger Berman Group#13 · 1,434,463 sh$139.1M+50.4%
EARNEST PARTNERS#14 · 1,399,698 sh$135.7M+23.5%
WELLINGTON MANAGEMENT GROUP LLP#15 · 1,292,101 sh$125.3M+6.6%
Clearbridge Investments#16 · 1,219,835 sh$118.3M+6.8%
MORGAN STANLEY#17 · 1,213,469 sh$117.7M+1.5%
DIMENSIONAL FUND ADVISORS#18 · 1,184,196 sh$114.8M+11.0%
SILVERCREST ASSET MANAGEMENT GROUP#19 · 1,181,941 sh$114.6M-5.6%
Pictet Asset Management Holding SA#20 · 1,052,330 sh$102.0M+13.8%
BAMCO#21 · 965,239 sh$93.6M+34.3%
GENEVA CAPITAL MANAGEMENT#22 · 911,153 sh$88.4M-21.7%
AMERICAN CENTURY COMPANIES#23 · 862,452 sh$83.6M+1423.9%
GOLDMAN SACHS GROUP#24 · 826,971 sh$80.2M-21.3%
WESTFIELD CAPITAL MANAGEMENT#25 · 812,525 sh$78.8M-1.2%
BANK OF AMERICA#26 · 808,261 sh$78.4M+84.2%
UBS Group AG#27 · 803,537 sh$77.9M-13.9%
NORTHERN#28 · 771,245 sh$74.8M+8.4%
VOYA INVESTMENT MANAGEMENT#29 · 739,652 sh$71.7M+2.1%
CHARLES SCHWAB INVESTMENT MANAGEMENT#30 · 719,450 sh$69.8M+10.2%
BROWN ADVISORY#31 · 670,239 sh$65.0M+3.2%
SCHRODER INVESTMENT MANAGEMENT GROUP#32 · 677,461 sh$63.9M+51.2%
AMERIPRISE FINANCIAL#33 · 634,591 sh$61.5M-18.7%
NOMURA ASSET MANAGEMENT INTERNATIONAL#34 · 624,506 sh$60.6M-25.2%
Allspring Global Investments#35 · 622,064 sh$59.3M-13.8%
BNP Paribas Asset Management Holding S.A.#36 · 605,177 sh$58.7M+2.1%
LOOMIS SAYLES & L P#37 · 573,873 sh$55.6M-5.7%
Select Equity Group, L.P.#38 · 563,031 sh$54.6M+43.6%
SEI INVESTMENTS#39 · 557,129 sh$54.0M+6.1%
FRANKLIN RESOURCES#40 · 518,503 sh$50.3M+49.9%
TimesSquare Capital Management#41 · 503,732 sh$48.8M-12.3%
LONDON OF VIRGINIA#42 · 503,144 sh$48.8M-5.5%
NORGES BANK#43 · 476,323 sh$46.2M—
CITADEL ADVISORS#44 · 455,585 sh$44.2M+1211.1%
VANGUARD FIDUCIARY#45 · 449,960 sh$43.6M+3.2%
DF DENT#46 · 446,270 sh$43.3M+36.2%
Point72 Asset Management, L.P.#47 · 445,541 sh$43.2M-4.0%
Bank of New York Mellon#48 · 436,500 sh$42.3M+10.2%
Granahan Investment Management#49 · 436,289 sh$42.3M+74.3%
SEGALL BRYANT & HAMILL#50 · 432,823 sh$42.0MNew
FRED ALGER MANAGEMENT#51 · 394,596 sh$38.3M-25.1%
Boston Walden#52 · 372,647 sh$36.1M-3.2%
PRICE T ROWE ASSOCIATES#53 · 367,421 sh$35.6M+25.8%
FIFTH THIRD BANCORP#54 · 364,397 sh$35.3M-6.0%
CREDIT AGRICOLE S A#55 · 346,558 sh$33.6M+86.0%
Ranger Investment Management, L.P.#56 · 330,460 sh$32.0M-3.3%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#57 · 328,387 sh$31.8M+12.2%
Harvey Partners#58 · 310,131 sh$30.1M+10.2%
PRINCIPAL FINANCIAL GROUP#59 · 306,218 sh$29.7M+0.2%
RAYMOND JAMES FINANCIAL#60 · 304,014 sh$29.5M+6.9%
abrdn plc#61 · 275,899 sh$26.8M+10.6%
KENNEDY CAPITAL MANAGEMENT#62 · 272,908 sh$26.5M+29.3%
WILLIAM BLAIR INVESTMENT MANAGEMENT#63 · 268,340 sh$26.0M-78.7%
ENVESTNET ASSET MANAGEMENT#64 · 267,499 sh$25.9M-3.3%
Rockefeller Capital Management L.P.#65 · 266,768 sh$25.9M+4.3%
AustralianSuper Pty Ltd#66 · 263,825 sh$25.6MNew
PICTON MAHONEY ASSET MANAGEMENT#67 · 253,511 sh$24.6M+148.2%
Toroso Investments#68 · 232,710 sh$22.6M+4.9%
GW&K Investment Management#69 · 227,841 sh$22.1M-1.9%
PUBLIC SECTOR PENSION INVESTMENT BOARD#70 · 215,136 sh$20.9M-3.8%
FENIMORE ASSET MANAGEMENT#71 · 191,851 sh$18.6M+30.9%
HALLSTATT ADVISORS L.P.#72 · 189,527 sh$18.4M+14.6%
Aristotle Capital Boston#73 · 183,143 sh$17.8M-6.5%
SG Capital Management#74 · 175,543 sh$17.0M+517.2%
BLAIR WILLIAM#75 · 171,981 sh$16.7M-40.8%
Granite Investment Partners#76 · 163,245 sh$15.8M-0.2%
AXIOM INVESTORS#77 · 156,187 sh$15.1M+69.8%
Nuveen#78 · 153,171 sh$14.9M-12.4%
P2 Capital Partners#79 · 147,236 sh$14.3MNew
RHUMBLINE ADVISERS#80 · 146,068 sh$14.2M-13.0%
Legal & General Group Plc#81 · 144,557 sh$14.0M+0.3%
WELLS FARGO & COMPANY#82 · 138,464 sh$13.4M+66.2%
Russell Investments Group, Ltd.#83 · 134,546 sh$13.0M+12.5%
Swiss National Bank#84 · 125,500 sh$12.2M+1.5%
OSTERWEIS CAPITAL MANAGEMENT#85 · 123,055 sh$11.9M-17.0%
BOOTHBAY FUND MANAGEMENT#86 · 116,364 sh$11.3M+4.7%
Ensign Peak Advisors#87 · 116,233 sh$11.3M+72.6%
OPPENHEIMER ASSET MANAGEMENT#88 · 105,486 sh$10.2M+46.5%
STATE OF WISCONSIN INVESTMENT BOARD#89 · 104,715 sh$10.2M-7.3%
RIVERBRIDGE PARTNERS#90 · 102,979 sh$10.0M-40.5%
DEUTSCHE BANK AG\#91 · 102,946 sh$10.0M+77.1%
CASTLEARK MANAGEMENT#92 · 100,460 sh$9.7MNew
KING LUTHER CAPITAL MANAGEMENT#93 · 99,299 sh$9.6M+38.7%
GAMCO INVESTORS, ET AL#94 · 99,200 sh$9.6M0.0%
Summit Creek Advisors#95 · 98,633 sh$9.6M-47.2%
JENNISON ASSOCIATES#96 · 96,577 sh$9.4M-37.3%
NATIXIS ADVISORS#97 · 94,301 sh$9.1M+16.8%
ROYAL BANK OF CANADA#98 · 94,115 sh$9.1M-2.9%
R.P. Boggs#99 · 87,655 sh$8.5M+0.6%
JONES FINANCIAL COMPANIES LLLP#100 · 89,000 sh$8.4M+8.2%

Funds that sold out of CWST in Q2 2026 (52)

Held CWST at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held CWST in Q1 2026 and reported no position in Q2 2026.
InstitutionValue in Q1 2026
Woodline Partners415,406 sh$33.0M
Capital World Investors392,100 sh$31.1M
Global Alpha Capital Management Ltd.325,827 sh$25.9M
Zimmer Partners257,694 sh$20.4M
THORNBURG INVESTMENT MANAGEMENT203,167 sh$16.1M
ARGENT CAPITAL MANAGEMENT73,097 sh$5.8M
CONGRESS ASSET MANAGEMENT64,938 sh$5.2M
ExodusPoint Capital Management52,251 sh$4.1M
Campbell & Investment Adviser49,394 sh$3.9M
Y-Intercept (Hong Kong) Ltd46,878 sh$3.7M
Capital International44,993 sh$3.6M
SMA Capital35,000 sh$2.8M
XTX Topco Ltd33,481 sh$2.7M
UniSuper Management Pty Ltd29,185 sh$2.3M
Pembroke Management, LTD17,073 sh$1.4M
TWO SIGMA SECURITIES8,768 sh$695.7K
NEW YORK LIFE INVESTMENT MANAGEMENT7,321 sh$580.8K
GSA CAPITAL PARTNERS LLP6,607 sh$524.0K
CAXTON ASSOCIATES LLP6,300 sh$499.8K
HIGHLAND CAPITAL MANAGEMENT5,668 sh$449.7K
Bridgefront Capital5,043 sh$400.1K
Vestmark Advisory Solutions4,709 sh$373.6K
INCEPTIONR4,147 sh$329.0K
LIBERTY ONE INVESTMENT MANAGEMENT4,041 sh$320.6K
MQS Management3,306 sh$262.3K
PRAXIS INVESTMENT MANAGEMENT2,953 sh$234.0K
Dakota Wealth Management2,902 sh$230.2K
Vise Technologies2,311 sh$226.3K
Edgestream Partners, L.P.2,808 sh$222.8K
Premier Fund Managers Ltd2,771 sh$217.0K
DRW Securities2,686 sh$213.1K
Freestone Grove Partners1,818 sh$144.2K
Eurizon Capital SGR S.p.A.475 sh$37.4K
Opal Wealth Advisors379 sh$30.1K
NOMURA ASSET MANAGEMENT LTD350 sh$27.8K
Advisory Services Network308 sh$24.4K
MAI Capital Management259 sh$20.6K
Clark Wealth Partners198 sh$15.7K
Root Financial Partners138 sh$10.9K
JNBA Financial Advisors68 sh$5.4K
High Note Wealth45 sh$3.6K
Owl Creek Wealth Partners40 sh$3.2K
Quarry27 sh$2.1K
TWIN PEAKS WEALTH ADVISORS14 sh$1.1K
Physician Wealth Advisors12 sh$953.00
ZIONS BANCORPORATION, NATIONAL ASSOCIATION5 sh$397.00
Principia Wealth Advisory4 sh$317.00
Vermillion Wealth Management3 sh$238.00
Dunhill Financial1 sh$102.00
RAFFA WEALTH MANAGEMENT1 sh$79.00
CURIO WEALTH1 sh$79.00
Avion Wealth5 sh$0.00

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.