How many institutions held HMH - HMH Holding Inc - Class A Common Stock, par value $0.01 per share in Q3 2026?

8 institutional investors reported HMH - HMH Holding Inc - Class A Common Stock, par value $0.01 per share for Q3 2026. Use the holders table for investor-level position and value details.

HMH Holding Inc - Class A Common Stock, par value $0.01 per share (HMH)

Q: What does CUSIP 40445M100 represent in this 13F holders report?

CUSIP 40445M100 is the security identifier for HMH - HMH Holding Inc - Class A Common Stock, par value $0.01 per share used to aggregate holder disclosures.

CUSIP: 40445M100

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Class A Common Stock, par value $0.01 per share
Total 13F shares: 579
Total 13F value: $10,144
Share change: +370
SEC-reported price per share: $17.52
Number of holders: 8
Value change: +$6,482
Number of buys: 8
Shares outstanding: 11,350,701

Security key

40445M100

Report period

Q3 2026

Institutions

Top holders

HMH full security history Ownership snapshot Full 13F holder table Previous quarter: Q2 2026 HMH Holding Inc SEC filings HMH Holding Inc company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 40445M100

Previous quarter: Q2 2026

Recent filing periods:

Q3 2026 Q2 2026

Ownership snapshot

Top reported holders of HMH - HMH Holding Inc - Class A Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PRICE T ROWE ASSOCIATES I...

Disclosed value leader

PRICE T ROWE ASSOCIATES I...

Comparable rows

6/15

Latest evidence

31 Jul 2026

13F 13D/G 3/4/5 Lead comparable stake: 24% 9 rows are not safely comparable across share classes. 13D/G row: PRICE T ROWE ASSOCIATES INC /MD/ Showing 1-6 of 15 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 24%.

6 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.

Comparable ownership Top 5

PRICE T ROWE ASSOCIATES INC /MD/ 24%

FMR LLC 12%

WELLINGTON MANAGEMENT GROUP LLP 6.7%

BlackRock, Inc. 6.5%

SCHRODER INVESTMENT MANAGEMENT GROUP 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PRICE T ROWE ASSOCIATES INC /MD/	13F 13D/G Company · T. Rowe Price Associates, Inc. 13F 13D/G	24% Reported 13D/G · 31 Jul 2026	$52,592,000 2,806,339 shares	—	30 Jun 2026
FMR LLC	13D/G 13F Company 13D/G 13F	12% Reported 13D/G · 31 Jul 2026	$24,737,793 1,320,053 shares	$0	31 Jul 2026
WELLINGTON MANAGEMENT GROUP LLP	13F 13D/G Company 13F 13D/G	6.7% Reported 13D/G · 30 Jun 2026	$14,251,714 760,497 shares	—	30 Jun 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	6.5% Reported 13D/G · 30 Jun 2026	$13,834,506 738,234 shares	—	30 Jun 2026
SCHRODER INVESTMENT MANAGEMENT GROUP	13D/G 13D/G	5.3% Reported 13D/G · 30 Jun 2026	$11,422,536 609,527 shares	$0	30 Jun 2026
MILLENNIUM MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	1.4% Reported 13D/G · 30 Jun 2026	$3,608,852 160,894 shares	$0	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

579

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders

Q3 2026 holders

Holder diff

-61

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend