Who owns CLH (CLH)
Which tracked institutional funds hold CLH, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See CLH company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on CLH is one-sided between 2025-Q4 and 2026-Q1: 262 added or opened and 73 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
CLH’s largest tracked holder by dollar value, BlackRock, Inc., sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.1% of theirs — a 0.1pp gap the other way — the median holder sizes CLH more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in CLH divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 622 tracked filers holding CLH, 322 increased or opened the position and 257 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in CLH between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 50
- VANGUARD CAPITAL MANAGEMENT LLC$622M
- VANGUARD PORTFOLIO MANAGEMENT LLC$563M
- VANGUARD FIDUCIARY TRUST CO$89M
- MIROVA$37M
- Visualize Group LP$28M
- VANGUARD ASSET MANAGEMENT, Ltd$11M
Full exits 26
- VANGUARD GROUP INC$1.0B
- Palestra Capital Management LLC$134M
- TWO SIGMA ADVISERS, LP$75M
- SG Capital Management LLC$17M
- CRAMER ROSENTHAL MCGLYNN LLC$16M
- Rivermont Capital Management LP$10M
Largest adds
- FMR LLC$507M
- GOLDMAN SACHS GROUP INC$206M
- LONE PINE CAPITAL LLC$180M
- T. Rowe Price Investment Management, Inc.$130M
- Select Equity Group, L.P.$125M
- JANUS HENDERSON GROUP PLC$118M
Largest trims
- D1 Capital Partners L.P.$269M
- WELLINGTON MANAGEMENT GROUP LLP$190M
- NORDEA INVESTMENT MANAGEMENT AB$87M
- Pictet Asset Management Holding SA$86M
- UBS Group AG$66M
- Point72 Asset Management, L.P.$40M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. trimmed | 4,142,963 | $1.2B | 8.4% | 2026-Q1 |
| WELLINGTON MANAGEMENT GROUP LLP trimmed | 3,577,034 | $1.0B | 7.2% | 2026-Q1 |
| JANUS HENDERSON GROUP PLC trimmed | 2,355,394 | $675M | 4.8% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 2,169,364 | $622M | 4.4% | 2026-Q1 |
| FMR LLC added | 2,072,263 | $594M | 4.2% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 1,962,951 | $563M | 4.0% | 2026-Q1 |
| LONE PINE CAPITAL LLC added | 1,754,950 | $503M | 3.5% | 2026-Q1 |
| STATE STREET CORP added | 1,537,297 | $441M | 3.1% | 2026-Q1 |
| D1 Capital Partners L.P. trimmed | 1,338,281 | $384M | 2.7% | 2026-Q1 |
| Pictet Asset Management Holding SA trimmed | 1,242,142 | $356M | 2.5% | 2026-Q1 |
| Clearbridge Investments, LLC trimmed | 1,202,777 | $345M | 2.4% | 2026-Q1 |
| Select Equity Group, L.P. added | 1,131,602 | $324M | 2.3% | 2026-Q1 |
| Durable Capital Partners LP added | 1,050,973 | $301M | 2.1% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 945,892 | $271M | 1.9% | 2026-Q1 |
| BESSEMER GROUP INC added | 932,027 | $267M | 1.9% | 2026-Q1 |
| SNYDER CAPITAL MANAGEMENT L P trimmed | 929,327 | $266M | 1.9% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 929,077 | $266M | 1.9% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 778,441 | $223M | 1.6% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 724,028 | $208M | 1.5% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 608,709 | $175M | 1.2% | 2026-Q1 |
| NORDEA INVESTMENT MANAGEMENT AB trimmed | 568,408 | $159M | 1.1% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC trimmed | 517,561 | $148M | 1.0% | 2026-Q1 |
| FIL Ltd added | 509,679 | $146M | 1.0% | 2026-Q1 |
| T. Rowe Price Investment Management, Inc. added | 477,287 | $137M | 1.0% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 474,647 | $136M | 1.0% | 2026-Q1 |
| NORTHERN TRUST CORP trimmed | 448,670 | $129M | 0.9% | 2026-Q1 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC added | 443,098 | $127M | 0.9% | 2026-Q1 |
| NORGES BANK trimmed | 614,095 | $121M | 0.9% | 2026-Q1 |
| Invesco Ltd. added | 399,445 | $115M | 0.8% | 2026-Q1 |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. added | 386,540 | $111M | 0.8% | 2026-Q1 |
| Bank of New York Mellon Corp trimmed | 382,228 | $110M | 0.8% | 2026-Q1 |
| Quantinno Capital Management LP added | 380,945 | $109M | 0.8% | 2026-Q1 |
| DAVENPORT & Co LLC trimmed | 342,582 | $98M | 0.7% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 311,907 | $89M | 0.6% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 309,653 | $89M | 0.6% | 2026-Q1 |
| MORGAN STANLEY added | 290,329 | $83M | 0.6% | 2026-Q1 |
| WESTFIELD CAPITAL MANAGEMENT CO LP added | 261,092 | $75M | 0.5% | 2026-Q1 |
| M.D. Sass, LLC trimmed | 252,540 | $72M | 0.5% | 2026-Q1 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC trimmed | 240,299 | $69M | 0.5% | 2026-Q1 |
| UBS Group AG trimmed | 226,301 | $65M | 0.5% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 214,132 | $60M | 0.4% | 2026-Q1 |
| 12th Street Asset Management Company, LLC trimmed | 204,716 | $59M | 0.4% | 2026-Q1 |
| NEUBERGER BERMAN GROUP LLC added | 194,039 | $56M | 0.4% | 2026-Q1 |
| DekaBank Deutsche Girozentrale | 180,000 | $52M | 0.4% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC added | 179,885 | $50M | 0.4% | 2026-Q1 |
| RAYMOND JAMES FINANCIAL INC added | 173,700 | $50M | 0.4% | 2026-Q1 |
| FEDERATED HERMES, INC. added | 169,284 | $49M | 0.3% | 2026-Q1 |
| OBERWEIS ASSET MANAGEMENT INC/ added | 144,355 | $41M | 0.3% | 2026-Q1 |
| Leeward Investments, LLC - MA trimmed | 140,651 | $40M | 0.3% | 2026-Q1 |
| NATIXIS ADVISORS, LLC trimmed | 140,485 | $40M | 0.3% | 2026-Q1 |
| Vontobel Holding Ltd. trimmed | 138,096 | $40M | 0.3% | 2026-Q1 |
| Grantham, Mayo, Van Otterloo & Co. LLC added | 135,593 | $39M | 0.3% | 2026-Q1 |
| Gotham Asset Management, LLC added | 134,631 | $39M | 0.3% | 2026-Q1 |
| RHUMBLINE ADVISERS added | 133,743 | $38M | 0.3% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 132,797 | $38M | 0.3% | 2026-Q1 |
| MIROVA new | 130,675 | $37M | 0.3% | 2026-Q1 |
| Hood River Capital Management LLC trimmed | 124,275 | $36M | 0.3% | 2026-Q1 |
| Impax Asset Management Group plc trimmed | 122,986 | $35M | 0.2% | 2026-Q1 |
| OP Asset Management Ltd added | 99,201 | $33M | 0.2% | 2026-Q1 |
| PRINCIPAL FINANCIAL GROUP INC added | 112,106 | $32M | 0.2% | 2026-Q1 |
| Swedbank AB trimmed | 110,000 | $32M | 0.2% | 2026-Q1 |
| Trinity Street Asset Management LLP trimmed | 109,391 | $31M | 0.2% | 2026-Q1 |
| Amundi trimmed | 106,516 | $31M | 0.2% | 2026-Q1 |
| SPIREPOINT PRIVATE CLIENT, LLC added | 106,046 | $30M | 0.2% | 2026-Q1 |
| California Public Employees Retirement System trimmed | 104,730 | $30M | 0.2% | 2026-Q1 |
| ROYAL BANK OF CANADA trimmed | 104,313 | $30M | 0.2% | 2026-Q1 |
| Swiss National Bank trimmed | 100,400 | $29M | 0.2% | 2026-Q1 |
| Telemark Asset Management, LLC added | 100,000 | $29M | 0.2% | 2026-Q1 |
| Visualize Group LP new | 96,300 | $28M | 0.2% | 2026-Q1 |
| Handelsbanken Fonder AB trimmed | 93,344 | $27M | 0.2% | 2026-Q1 |
| Retirement Systems of Alabama added | 92,124 | $26M | 0.2% | 2026-Q1 |
| Allspring Global Investments Holdings, LLC added | 90,265 | $26M | 0.2% | 2026-Q1 |
| Cresset Asset Management, LLC trimmed | 88,224 | $25M | 0.2% | 2026-Q1 |
| BANK OF MONTREAL /CAN/ trimmed | 88,052 | $25M | 0.2% | 2026-Q1 |
| JUPITER ASSET MANAGEMENT LTD trimmed | 82,925 | $24M | 0.2% | 2026-Q1 |
| LOOMIS SAYLES & CO L P trimmed | 74,783 | $21M | 0.2% | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC trimmed | 73,660 | $21M | 0.1% | 2026-Q1 |
| Thrivent Financial for Lutherans added | 72,103 | $21M | 0.1% | 2026-Q1 |
| Tidal Investments LLC added | 71,946 | $21M | 0.1% | 2026-Q1 |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ trimmed | 71,277 | $20M | 0.1% | 2026-Q1 |
| Nuveen, LLC trimmed | 68,966 | $20M | 0.1% | 2026-Q1 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 68,856 | $20M | 0.1% | 2026-Q1 |
| Legal & General Group Plc trimmed | 68,746 | $20M | 0.1% | 2026-Q1 |
| EverSource Wealth Advisors, LLC added | 55,578 | $18M | 0.1% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 63,880 | $18M | 0.1% | 2026-Q1 |
| Charter Oak Advisors LP added | 63,214 | $18M | 0.1% | 2026-Q1 |
| Asset Management One Co., Ltd. trimmed | 62,011 | $18M | 0.1% | 2026-Q1 |
| JONES FINANCIAL COMPANIES LLLP added | 62,587 | $17M | 0.1% | 2026-Q1 |
| Perpetual Ltd added | 60,786 | $17M | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 4,419,690 | $1.0B | 7.3% | 2025-Q4 stale |
| Palestra Capital Management LLC new | 569,991 | $134M | 0.9% | 2025-Q4 stale |
| TWO SIGMA ADVISERS, LP added | 321,500 | $75M | 0.5% | 2025-Q4 stale |
| Thematics Asset Management added | 192,300 | $45M | 0.3% | 2025-Q3 stale |
| ADAGE CAPITAL PARTNERS GP, L.L.C. trimmed | 150,000 | $35M | 0.2% | 2025-Q2 stale |
| MACQUARIE GROUP LTD added | 138,415 | $32M | 0.2% | 2025-Q3 stale |
| Qube Research & Technologies Ltd trimmed | 118,787 | $28M | 0.2% | 2025-Q3 stale |
| Shannon River Fund Management LLC new | 115,870 | $27M | 0.2% | 2025-Q3 stale |
| Aperture Investors, LLC trimmed | 109,259 | $25M | 0.2% | 2025-Q2 stale |
| TWINBEECH CAPITAL LP added | 92,954 | $18M | 0.1% | 2025-Q1 stale |
| Watchtower Advisors, LP new | 76,144 | $18M | 0.1% | 2025-Q3 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.