McGraw Hill, Inc. - Common stock, par value $0.01 (MH)

CUSIP: 580907103

Q3 2025 13F Holders as of 30 Sep 2025

Holder snapshot 5 signals
Share change
+194,947,782
SEC-reported price per share
$12.55
Number of holders
82
Value change
+$2,446,598,051
Number of buys
81
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
190,936,666

Security key

580907103

Report period

Q3 2025

Institutions

82

Top holders

10

Ownership snapshot

Top reported holders of MH - McGraw Hill, Inc. - Common stock, par value $0.01 (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
PLATINUM EQUITY, LLC
Disclosed value leader
PLATINUM EQUITY, LLC
Comparable rows
1/5
Latest evidence
30 Sep 2025
13D/G 3/4/5 Lead comparable stake: 86% 4 rows are not safely comparable across share classes. 13D/G row: PLATINUM EQUITY, LLC

Quick read

PLATINUM EQUITY, LLC leads the comparable SEC ownership view at 86%.

1 of 5 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 PLATINUM EQUITY, LLC's linked filing trail.
Comparable ownership Top 1
PLATINUM EQUITY, LLC 86%

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

Detailed SEC evidence table Showing 1-5 of 5 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PLATINUM EQUITY, LLC
13D/G 3/4/5
10%+ Owner
86%
$2,072,760,711
165,160,216 shares
$0 30 Sep 2025
Simon Jonathan Allen
3/4/5
President, CEO, Director
class O/S missing
447,708 shares
23 Jul 2025
Felicia Alvaro
3/4/5
Director
class O/S missing
10,882 shares
23 Jul 2025
Guhan Subramanian
3/4/5
Director
class O/S missing
10,882 shares
23 Jul 2025
Mary Ann Sigler
3/4/5
Director
class O/S missing
7,500 shares
25 Jul 2025
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 2025

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

Institutions
82
Shares
194,954,402
Rows available
82
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 2025 vs Q1 2026 Across Filers

Q1 2026 holders
106
Q3 2025 holders
82
Holder diff
-24
Investor Q1 2026 Shares Q3 2025 Shares Share Diff Share Chg % Q1 2026 value Q3 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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