Security key
147448104
- Security type / class
- Equity / CL A
- Total 13F shares
- 74,603,627
- Total 13F value
- $5,920,698,876
- Share change
- -2,485,296
- Put/Call ratio
- 7.4%
- SEC-reported price per share
- $79.34
- Number of holders
- 404
- Value change
- -$221,064,064
- Number of buys
- 186
- Number of sells
- 201
- Shares outstanding
- 63,064,179
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
404
Top holders
10
CWST full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
CASELLA WASTE SYSTEMS INC SEC filings
CASELLA WASTE SYSTEMS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 147448104
Recent filing periods:
Ownership snapshot
Top reported holders of CWST - CASELLA WASTE SYSTEMS INC - CL A (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
16 Mar 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
14%
VANGUARD GROUP INC
11%
Conestoga Capital Advisors, LLC
5.5%
Shelley E. Sayward
0.04%
Paul Ligon
0.03%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$887,105,957
9,057,647 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13D/G
13F
The Vanguard Group · Company
|
11%
|
$643,945,020
6,574,893 shares
|
$0 | 31 Dec 2025 |
| Conestoga Capital Advisors, LLC |
13D/G
13F
Conestoga Capital Advisors · Company
|
5.5%
|
$396,150,082
3,432,843 shares
|
$0 | 31 Dec 2024 |
| Shelley E. Sayward |
3/4/5
SENIOR VP & GENERAL COUNSEL
|
0.04%
|
$2,488,812
28,369 shares
|
-$191,151 | 12 Mar 2026 |
| Paul Ligon |
3/4/5
SR VP of Sustainable Growth
|
0.03%
|
$1,889,804
18,374 shares
|
-$102,840 | 04 Aug 2025 |
| Sean Steves |
3/4/5
Sr VP & COO of SW Ops
|
0.01%
|
$823,125
9,375 shares
|
-$137,374 | 12 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
404
Shares
74,603,627
Rows available
404
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
404
Q1 2026 holders
404
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend