Clearwater Paper Corp
CLW- Exchange
- NYSE
- Industry
- Paperboard Mills
- SEC CIK
- 0001441236
No open-market purchases or sales by Clearwater Paper Corp insiders were filed in the last 90 days; 134 institutions reported holding it in 13F filings for Q2 2026, worth $224.4M in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.
Holders of 5% or more of CLW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Clearwater Paper Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 13G/A | 8.60%1.38M shares | +2.80 ppfrom 5.80% | Aug 14, 20252 filings | Feb 13, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 8.60%1.37M shares | −1.60 ppfrom 10.20% | Apr 23, 20253 filings | Jan 21, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Clearwater Paper Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20265:16 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20264:53 PM ET | Southeastern Asset Management Incand 2 othersSuperinvestorSoutheastern Asset Management (Longleaf) | 13G/A | 8.60%1.38M shares | +2.80 ppfrom 5.80% | Dec 31, 2025 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G/A | 8.60%1.37M shares | −1.60 ppfrom 10.20% | Dec 31, 2025 | SEC |
| Aug 14, 20254:05 PM ET | Southeastern Asset Management Incand 2 othersSuperinvestorSoutheastern Asset Management (Longleaf) | 13G | 5.80%937.9K shares | New | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G/A | 10.20%1.66M shares | −2.60 ppfrom 12.80% | Jun 30, 2025 | SEC |
| Apr 23, 20258:19 PM ET | BlackRock, Inc. | 13G/A | 12.80%2.08M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Clearwater Paper Corp shares.
No Form 144 notices for Clearwater Paper Corp are on file.