Who owns COO
675 institutions report holding COO
Shares they hold, quarter on quarter
+2.4%
112 new, 248 added, 227 cut, 116 sold out
Top 10 holders
39%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Two kinds of filings agree
Smart money agrees
13F: Bill Nygren new in the quarter ending Jun 30, 2026.
Form 4: Kurzius Lawrence Erik (Director) bought $1.1M, Rosebrough Walter M Jr (Director) bought $542K, Keel Paul A (Director) bought $250K in the open market since 2026-04-01.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 15.03M | $1.1B | 7.90% | Reduced -9.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 12.76M | $914.9M | 6.71% | Held |
| STATE STREET CORP | 8.89M | $637.7M | 4.68% | Added +1.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.67M | $621.7M | 4.56% | Reduced -0.6% |
| T. Rowe Price Investment Management, Inc. | 7.43M | $533K | 3.91% | Reduced -18.0% |
| BROWNING WEST LP | 7.20M | $516.0M | 3.78% | Added +3.1% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 5.58M | $400K | 2.93% | Added +3.4% |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 5.43M | $389.4M | 2.86% | Reduced -17.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 5.36M | $382.9M | 2.82% | Added +0.9% |
| FRANKLIN RESOURCES INC | 5.10M | $365.5M | 2.68% | Added +4.7% |
| GENERATION INVESTMENT MANAGEMENT LLP | 4.97M | $356.3M | 2.61% | Added +8.0% |
| Jupiter Topco LLC | 4.25M | $305.1M | 2.24% | New |
| AQR CAPITAL MANAGEMENT LLC | 4.02M | $285.7M | 2.12% | Added +7.9% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.00M | $287.2M | 2.11% | Added +88.3% |
| Longview Partners (Guernsey) LTD | 3.94M | $282.5M | 2.07% | Added +3.1% |
| UBS Group AG | 3.93M | $282.0M | 2.07% | Added +14.5% |
| CITADEL ADVISORS LLC | 3.87M | $277.7M | 2.04% | Added ×20 |
| Invesco Ltd. | 3.69M | $264.3M | 1.94% | Added +0.8% |
| JANA Partners Management, LP | 3.58M | $256.9M | 1.88% | Held |
| WELLINGTON MANAGEMENT GROUP LLP | 3.47M | $248.8M | 1.82% | Added +3.1% |
| DIMENSIONAL FUND ADVISORS LP | 3.34M | $239.6M | 1.76% | Added +61.5% |
| LONDON CO OF VIRGINIA | 2.90M | $207.8M | 1.52% | Added +29.5% |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 2.73M | $195.9M | 1.44% | Reduced -19.6% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2.55M | $182.8M | 1.34% | Added +0.7% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2.34M | $187.8M | 1.23% | Reduced -10.5% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- Jupiter Topco LLC +4.25M, new
- CITADEL ADVISORS LLC +3.68M
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +1.88M
- BARCLAYS PLC +1.79M
- Gates Capital Management, Inc. +1.69M, new
- DIMENSIONAL FUND ADVISORS LP +1.27M
- Holocene Advisors, LP +1.08M, new
- Assenagon Asset Management S.A. +984K
- HARRIS ASSOCIATES L P +767K, new
- Balyasny Asset Management L.P. +753K
Sold the most shares
- Capital World Investors -6.82M
- JANUS HENDERSON GROUP PLC -3.07M, sold out
- NEUBERGER BERMAN GROUP LLC -3.04M
- T. Rowe Price Investment Management, Inc. -1.63M
- BlackRock, Inc. -1.59M
- KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC -1.19M
- Champlain Investment Partners, LLC -1.18M
- BESSEMER GROUP INC -932K
- Boston Trust Walden Corp -863K
- Swedbank AB -780K
Superinvestors
Superinvestors holding COO
| Investor | Quarter | Shares | Value | % of portfolio | Last quarter |
|---|---|---|---|---|---|
| Bill Nygren Harris Associates (Oakmark) | Jun 30, 2026 | 767K | $55.0M | 0.07% | New |
More than 5%
13D filings: owners who may push for change
No Schedule 13D about COO in the last year.