HMH Holding Inc
HMH- Exchange
- Nasdaq
- Industry
- Oil & Gas Field Machinery & Equipment
- SEC CIK
- 0002021880
No open-market purchases or sales by HMH Holding Inc insiders were filed in the last 90 days; 69 institutions reported holding it in 13F filings for Q2 2026, worth $228.3M in total; no superinvestor holds it.
Holders of 5% or more of HMH
Holders whose latest Schedule 13D or 13G filing reports 5% or more of HMH Holding Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 13G | 24.40%2.79M shares | New | Aug 7, 20261 filing | Aug 7, 2026 | SEC |
| FMR LLC | 13G | 11.60%1.32M shares | New | Aug 7, 20261 filing | Aug 7, 2026 | SEC |
| Wellington Management Group LLP | 13G | 6.70%760.5K shares | New | Aug 13, 20261 filing | Aug 13, 2026 | SEC |
| BlackRock, Inc. | 13G | 6.50%738.2K shares | New | Jul 28, 20261 filing | Jul 28, 2026 | SEC |
| Citadel Advisors LLC | 13G | 6.30%665.9K shares | New | Apr 9, 20261 filing | Apr 9, 2026 | SEC |
| Schroder Investment Management Group | 13G | 5.30%609.5K shares | New | Aug 12, 20261 filing | Aug 12, 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
12 Schedule 13D and 13G filings on HMH Holding Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:16 PM ET | Encompass Capital Advisors LLCand 2 others | 13G/A | 0.00%0 shares | −7.60 ppfrom 7.60%Below 5% | Jun 30, 2026 | SEC |
| Aug 14, 20264:08 PM ET | Point72 Asset Management, L.P.and 2 others | 13G/A | 0.00%0 shares | −5.50 ppfrom 5.50%Below 5% | Jun 30, 2026 | SEC |
| Aug 13, 20264:05 PM ET | Wellington Management Group LLPand 3 others | 13G | 6.70%760.5K shares | New | Jun 30, 2026 | SEC |
| Aug 12, 202611:23 AM ET | Schroder Investment Management Groupand 1 other | 13G | 5.30%609.5K shares | New | Jun 30, 2026 | SEC |
| Aug 7, 20262:20 PM ET | Price T Rowe Associates Inc | 13G | 24.40%2.79M shares | New | Jul 31, 2026 | SEC |
| Aug 7, 202611:04 AM ET | FMR LLCand 1 other | 13G | 11.60%1.32M shares | New | Jul 31, 2026 | SEC |
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G | 6.50%738.2K shares | New | Jun 30, 2026 | SEC |
| Jul 9, 20265:36 PM ET | Millennium Management LLCand 2 others | 13G/A | 1.40%160.9K shares | −4.50 ppfrom 5.90%Below 5% | Jun 30, 2026 | SEC |
| Apr 9, 20264:23 PM ET | Citadel Advisors LLCand 6 others | 13G | 6.30%665.9K shares | New | Apr 2, 2026 | SEC |
| Apr 8, 20264:47 PM ET | Millennium Management LLCand 2 others | 13G | 5.90%616.1K shares | New | Apr 1, 2026 | SEC |
| Apr 8, 20264:14 PM ET | Encompass Capital Advisors LLCand 2 others | 13G | 7.60%800.0K shares | New | Apr 1, 2026 | SEC |
| Apr 6, 20264:26 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.50%575.0K shares | New | Apr 2, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell HMH Holding Inc shares.
No Form 144 notices for HMH Holding Inc are on file.