HMH HLDG INC (HMH): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in HMH. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
8
13F filers
Aggregate Value
$25.1M
Across holders
Last Price
$19.16
2026-09-25
Sector
—
GICS
Quarterly fund activity8 increased0 reduced0 exited
Institutional Holders of HMH
↗
8 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund674K$12.6M50.4%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund267K$5.0M19.9%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund161K$3.0M12.0%0.0%Added—Q2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund83K$1.6M6.2%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund57K$1.1M4.3%0.0%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund40K$753K3.0%0.0%Added—Q2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund40K$750K3.0%0.0%Added—Q2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund16K$298K1.2%0.0%Added—Q2 2026
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