CN
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Two Sigma Investments, LP
· Added
Change
+511K
Δ Own
+187.9%
Date
Q1 2026
|
Two Sigma Investments, LP | Added· Q1 2026 | – | +511K | +187.9% | Q1 2026 | |||||
|
Bank of America Corp
· Added
Change
+336K
Date
Q1 2026
|
Bank of America Corp | Added· Q1 2026 | – | +336K | – | Q1 2026 | |||||
|
Hotchkis & Wiley Capital Management LLC
· New
Change
+317K
Date
Q1 2026
|
Hotchkis & Wiley Capital Management LLC | New· Q1 2026 | – | +317K | – | Q1 2026 | |||||
|
Ameriprise Financial Inc
· Added
Change
+294K
Date
Q1 2026
|
Ameriprise Financial Inc | Added· Q1 2026 | – | +294K | – | Q1 2026 | |||||
|
Arrowstreet Capital, Limited Partnership
· Added
Change
+287K
Date
Q1 2026
|
Arrowstreet Capital, Limited Partnership | Added· Q1 2026 | – | +287K | – | Q1 2026 | |||||
|
Dz Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt AM Main
· Added
Change
+284K
Date
Q1 2026
|
Dz Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt AM Main | Added· Q1 2026 | – | +284K | – | Q1 2026 | |||||
|
Invenomic Capital Management LP
· Added
Change
+197K
Date
Q1 2026
|
Invenomic Capital Management LP | Added· Q1 2026 | – | +197K | – | Q1 2026 | |||||
|
Allspring Global Investments Holdings, LLC
· Added
Change
+166K
Date
Q1 2026
|
Allspring Global Investments Holdings, LLC | Added· Q1 2026 | – | +166K | – | Q1 2026 | |||||
|
Jones Financial Companies Lllp
· Added
Change
+161K
Date
Q1 2026
|
Jones Financial Companies Lllp | Added· Q1 2026 | – | +161K | – | Q1 2026 | |||||
|
Cooke & Bieler LP
· Added
Change
+120K
Date
Q1 2026
|
Cooke & Bieler LP | Added· Q1 2026 | – | +120K | – | Q1 2026 | |||||
|
Balyasny Asset Management L.P.
· New
Change
+107K
Date
Q1 2026
|
Balyasny Asset Management L.P. | New· Q1 2026 | – | +107K | – | Q1 2026 | |||||
|
Dimensional
· Added
Change
+80K
Date
Q1 2026
|
Dimensional | Added· Q1 2026 | – | +80K | – | Q1 2026 | |||||
|
Xtx Topco Ltd
· New
Change
+78K
Date
Q1 2026
|
Xtx Topco Ltd | New· Q1 2026 | – | +78K | – | Q1 2026 | |||||
|
Glenmede Trust Co NA
· Added
Change
+72K
Date
Q1 2026
|
Glenmede Trust Co NA | Added· Q1 2026 | – | +72K | – | Q1 2026 | |||||
|
UBS Group AG
· Added
Change
+72K
Date
Q1 2026
|
UBS Group AG | Added· Q1 2026 | – | +72K | – | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Gallagher John E.
· Officer
3 operations
92K
|
Gallagher John E. | Officer | 3 operations | – | 92K | – | 31K | – | Jul 15, 2026 | Jul 17, 2026 | |||||||||
|
Martin Celine Christine
· Director
Grant (A)
6K
|
Martin Celine Christine | Director | Grant (A) | – | 6K | – | 6K | – | Jul 1, 2026 | Jul 2, 2026 | |||||||||
|
Mirviss Jeffrey B.
· Director
Grant (A)
6K
|
Mirviss Jeffrey B. | Director | Grant (A) | – | 6K | – | 6K | – | Jul 1, 2026 | Jul 2, 2026 | |||||||||
|
Bronson David M.
· Director
2 operations
0
|
Bronson David M. | Director | 2 operations | – | 0 | – | 0 | – | Jun 2, 2026 | Jun 3, 2026 | |||||||||
|
Council Laverne H.
· Director
2 operations
0
|
Council Laverne H. | Director | 2 operations | – | 0 | – | 0 | – | Jun 2, 2026 | Jun 3, 2026 | |||||||||
|
Farkas Charles
· Director
2 operations
0
|
Farkas Charles | Director | 2 operations | – | 0 | – | 0 | – | Jun 2, 2026 | Jun 3, 2026 | |||||||||
|
Kaye Mark
· Director
2 operations
0
|
Kaye Mark | Director | 2 operations | – | 0 | – | 0 | – | Jun 2, 2026 | Jun 3, 2026 | |||||||||
|
Schwarzentraub Barbara J.
· Director
2 operations
0
|
Schwarzentraub Barbara J. | Director | 2 operations | – | 0 | – | 0 | – | Jun 2, 2026 | Jun 3, 2026 | |||||||||
|
Bronson David M.
· Director
Grant (A)
6K
|
Bronson David M. | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Council Laverne H.
· Director
Grant (A)
6K
|
Council Laverne H. | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Kelderman Kim
· Director
Grant (A)
6K
|
Kelderman Kim | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Farkas Charles
· Director
Grant (A)
6K
|
Farkas Charles | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Kaye Mark
· Director
Grant (A)
6K
|
Kaye Mark | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Schwarzentraub Barbara J.
· Director
Grant (A)
6K
|
Schwarzentraub Barbara J. | Director | Grant (A) | – | 6K | – | 6K | – | Jun 1, 2026 | Jun 3, 2026 | |||||||||
|
Beyer Pat
· Officer
Grant (A)
28K
|
Beyer Pat | Officer | Grant (A) | – | 28K | – | 28K | – | Apr 1, 2026 | Apr 2, 2026 | |||||||||
251 reporting institutions disclosed CNMD position changes in the Q1 2026 snapshot.
For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.
An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.
Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.
Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.
A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.