HMH · Insider trading · 13F holders · Congress trades
HMH Holding Inc (HMH)
Who is buying and selling HMH: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 3
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
HMH at a glance
- No open-market insider purchases or sales of HMH were filed in the last 90 days.
- 3 13F filers hold HMH among their 50 largest positions, worth $10.2M combined. The biggest bets by portfolio weight are GeoSphere Capital Management, LLC (3.6%), Thomist Capital Management, LP (1.1%) and Texas Permanent School Fund Corp (0.0%). In their latest 13Fs, 3 managers opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in HMH.
HMH insider trading
No open-market insider purchases or sales of HMH were filed in the last 90 days.
Who owns HMH? Hedge funds and superinvestors
3 13F filers hold HMH among their 50 largest positions, worth $10.2M combined. The biggest bets by portfolio weight are GeoSphere Capital Management, LLC (3.6%), Thomist Capital Management, LP (1.1%) and Texas Permanent School Fund Corp (0.0%). In their latest 13Fs, 3 managers opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| GeoSphere Capital Management, LLCHedge fund | 3.6% | $7.0M | 375,000 | New | Q2 2026 |
| Thomist Capital Management, LPHedge fund | 1.1% | $3.0M | 158,161 | New | Q2 2026 |
| Texas Permanent School Fund CorpEndowment & foundation | 0.0% | $187K | 10,000 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 3). Screen HMH in the grand portfolio →
HMH stock trades by members of Congress
No member of Congress has disclosed a trade in HMH.
HMH questions and answers
Are insiders buying HMH stock?
No open-market insider purchases or sales of HMH were filed in the last 90 days.
Which hedge funds own HMH?
3 13F filers hold HMH among their 50 largest positions, worth $10.2M combined. The biggest bets by portfolio weight are GeoSphere Capital Management, LLC (3.6%), Thomist Capital Management, LP (1.1%) and Texas Permanent School Fund Corp (0.0%). In their latest 13Fs, 3 managers opened a new position and 0 added to one.
Has Congress traded HMH?
No member of Congress has disclosed a trade in HMH.
Who is the largest holder of HMH?
Among 13F filers, GeoSphere Capital Management, LLC reports the largest HMH position, $7.0M (375,000 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is GeoSphere Capital Management, LLC's: 3.6% of its portfolio.
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