Latest Period
Q2 2026
Security Snapshot
CASELLA WASTE SYSTEMS INC - CL A (CWST) Institutional Ownership
CUSIP: 147448104
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
412
Shares (Excl. Options)
77,213,141
Price
$96.97
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- Security type / class
- Equity / CL A
- Symbol
- CWST on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 77,213,141
- Total 13F value
- $7,478,498,215
- Portfolio coverage rank
- 0.01%
- Share change
- +2,669,727
- Value change
- +$295,183,477
- Number of holders
- 412
- Shares outstanding
- 63,064,179
- SEC-reported price per share
- $93.57
- Insider filing price
- $93.57
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CWST - CASELLA WASTE SYSTEMS INC - CL A is tracked under CUSIP 147448104.
- 412 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 404 to 412 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $5,920,698,876 to $7,478,498,215.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 412 institutions filings for Q2 2026.
Security key
147448104
Latest holder period
Q2 2026
13F holders
412
13D/G owners
4
CIK / CUSIP context first
Open Q2 2026 holders
CWST full holder history
CASELLA WASTE SYSTEMS INC SEC filings
CASELLA WASTE SYSTEMS INC company facts
CASELLA WASTE SYSTEMS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 147448104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
CWST
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $874,479,914 | 8,928,731 | BlackRock, Inc. | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 11% | $643,945,020 | 6,574,893 | The Vanguard Group | 31 Dec 2025 | |||
| WASATCH ADVISORS LP | 5.6% | +38% | $342,458,670 | +$92,060,797 | 3,531,594 | +37% | Wasatch Advisors LP | 30 Jun 2026 |
| Conestoga Capital Advisors, LLC | 5.5% | $396,150,082 | 3,432,843 | Conestoga Capital Advisors | 31 Dec 2024 |
As of 30 Jun 2026, 412 institutional investors reported holding 77,213,141 shares of CASELLA WASTE SYSTEMS INC - CL A (CWST). This represents 122% of the company’s total 63,064,179 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
78%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 9,390,112 | +3.8% | 0.01% | $910,559,124 |
| WASATCH ADVISORS LP | 5.6% | 3,531,594 | +37% | 2.2% | $342,458,670 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5% | 3,448,748 | +2.8% | 0.02% | $334,425,094 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 2,823,033 | +0.86% | 0.01% | $273,749,510 |
| STATE STREET CORP | 4% | 2,520,170 | +5.5% | 0.01% | $244,364,046 |
| Conestoga Capital Advisors, LLC | 3.7% | 2,336,156 | -17% | 4.9% | $226,537,047 |
| T. Rowe Price Investment Management, Inc. | 3.3% | 2,078,022 | +22% | 0.13% | $201,506,000 |
| Capital International Investors | 3.3% | 2,054,399 | +5.2% | 0.04% | $199,215,071 |
| Capital Research Global Investors | 3.2% | 2,028,646 | -13% | 0.03% | $196,717,803 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 1,647,147 | +6.1% | 0.01% | $159,750,843 |
| JPMORGAN CHASE & CO | 2.4% | 1,544,116 | +14% | 0.01% | $145,852,952 |
| Invesco Ltd. | 2.3% | 1,459,009 | -12% | 0.01% | $141,480,102 |
| NEUBERGER BERMAN GROUP LLC | 2.3% | 1,434,463 | +50% | 0.09% | $139,099,877 |
| EARNEST PARTNERS LLC | 2.2% | 1,399,698 | +24% | 0.49% | $135,728,715 |
| WELLINGTON MANAGEMENT GROUP LLP | 2% | 1,292,101 | +6.6% | 0.02% | $125,295,034 |
| Clearbridge Investments, LLC | 1.9% | 1,219,835 | +6.8% | 0.1% | $118,287,415 |
| MORGAN STANLEY | 1.9% | 1,213,469 | +1.5% | 0.01% | $117,670,359 |
| DIMENSIONAL FUND ADVISORS LP | 1.9% | 1,184,196 | +11% | 0.02% | $114,818,654 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.9% | 1,181,941 | -5.6% | 0.75% | $114,613,175 |
| Pictet Asset Management Holding SA | 1.7% | 1,052,330 | +14% | 0.1% | $102,034,062 |
| BAMCO INC /NY/ | 1.5% | 965,239 | +34% | 0.14% | $93,599,226 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.4% | 911,153 | -22% | 2% | $88,354,468 |
| AMERICAN CENTURY COMPANIES INC | 1.4% | 862,452 | +1424% | 0.04% | $83,632,212 |
| GOLDMAN SACHS GROUP INC | 1.3% | 826,971 | -21% | 0.01% | $80,191,379 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1.3% | 812,525 | -1.2% | 0.26% | $78,790,549 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 77,213,141 | $7,478,498,215 | +$295,183,477 | $96.97 | 412 |
| 2026 Q1 | 74,603,627 | $5,920,698,876 | -$221,095,308 | $79.34 | 404 |
| 2025 Q4 | 77,460,588 | $7,587,958,882 | +$967,785,387 | $97.94 | 392 |
| 2025 Q3 | 66,377,932 | $6,294,041,340 | +$73,532,668 | $94.88 | 386 |
| 2025 Q2 | 65,438,323 | $7,549,760,585 | +$65,833,549 | $115.38 | 387 |
| 2025 Q1 | 64,738,257 | $7,219,647,011 | +$4,577,568 | $111.51 | 367 |
| 2024 Q4 | 65,127,232 | $6,889,761,758 | +$120,091,578 | $105.81 | 342 |
| 2024 Q3 | 64,015,497 | $6,371,276,477 | +$403,630,244 | $99.49 | 342 |
| 2024 Q2 | 59,431,643 | $5,897,740,159 | +$129,539,608 | $99.22 | 310 |
| 2024 Q1 | 58,315,369 | $5,765,883,359 | +$101,656,355 | $98.87 | 308 |
| 2023 Q4 | 57,556,798 | $4,920,281,685 | +$11,630,175 | $85.46 | 307 |
| 2023 Q3 | 57,443,474 | $4,383,109,169 | +$114,397,223 | $76.30 | 296 |
| 2023 Q2 | 55,773,711 | $5,043,757,708 | +$464,661,179 | $90.45 | 315 |
| 2023 Q1 | 50,655,221 | $4,186,998,515 | +$61,650,233 | $82.66 | 262 |
| 2022 Q4 | 50,385,224 | $3,996,098,320 | -$34,288,702 | $79.31 | 269 |
| 2022 Q3 | 50,812,708 | $3,881,940,157 | +$20,432,104 | $76.39 | 273 |
| 2022 Q2 | 50,187,812 | $3,647,952,594 | +$52,994,788 | $72.68 | 258 |
| 2022 Q1 | 49,583,078 | $4,345,553,496 | +$85,127,456 | $87.65 | 265 |
| 2021 Q4 | 48,690,713 | $4,154,272,154 | -$326,784,571 | $85.42 | 274 |
| 2021 Q3 | 50,052,773 | $3,802,867,611 | +$65,807,840 | $75.94 | 230 |
| 2021 Q2 | 49,240,434 | $3,124,710,856 | +$33,972,996 | $63.43 | 229 |
| 2021 Q1 | 48,700,728 | $3,097,445,679 | +$16,882,308 | $63.57 | 214 |
| 2020 Q4 | 48,606,061 | $3,010,613,615 | +$170,675,439 | $61.95 | 217 |
| 2020 Q3 | 45,834,847 | $2,560,435,065 | +$8,978,057 | $55.85 | 198 |
| 2020 Q2 | 45,720,261 | $2,382,751,697 | +$20,650,311 | $52.12 | 184 |