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$HMH
$18.96 -$0.08 (0.42%) Close

Ownership

13F as of Q2 2026 · 11.7M shares outstanding

Who owns HMH?

By type of holder
Institutions 100.0% Insiders 0.0% Everyone else 0.0%
Concentration Top 10 holders own 76.2%
Price T Rowe Associates Inc /MD/ 24.1% · American Century Companies Inc 12.8%
Institutional ownership
100.0%
+100.0 pts vs last qtr
Institutional holders
69
+69 vs last qtr
Net shares bought
+12.2M
by institutions in Q2 2026
New / sold out
69 / 0
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Price T Rowe Associates Inc /MD/ NEW +2.8M
  • American Century Companies Inc NEW +1.5M

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Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for HMH Holding Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for HMH Holding Inc.

How patient are the owners?

Institutional shares by how long they've been held
5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%
Quarterly turnover
—
of institutional shares changed hands
Top 10 managers, median time held
0 quarters

Super Investors

Investment managers reporting HMH on Form 13F
PT
Price T Rowe Associates Inc /MD/
Shares
2.8M
% of company
24.06%
Change vs last qtr
NEW
Held since
Q2 '26
AC
American Century Companies Inc
Shares
1.5M
% of company
12.83%
Change vs last qtr
NEW
Held since
Q2 '26

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Institutional Funds

Mutual funds and ETFs reporting HMH on Form N-PORT; together they hold 47.0% of the company
SC
American Century Capital Portfolios, Inc.
Position value
$14.7M
% of company
6.73%
% of the fund
0.48%
As of
June 30, 2026
TR
T. Rowe Price All-Cap Opportunities Fund, Inc.
Position value
$10.8M
% of company
4.94%
% of the fund
0.07%
As of
June 30, 2026

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