MH · McGraw Hill, Inc.

$13.31 +0.08 (+0.60%) At close · Sep 4

Russell 2000 member Rebalance outlook locked

Market Cap

$2.55B

191.31M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 111

Total Value: $1,829,428,131

Total Shares: 193,213,167

Showing 1–100 of 111 holdings by value · page 1 of 2

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 111 13F filers · Δ vs Mar 31, 2026

Top Holder

85.5%

+2.1 pts

Top 5

90.8%

−0.3 pts

Top 10

94.4%

−0.1 pts

HHI

7,322

Highly concentrated+343

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: -32.6%

Shares held: -2.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	+655,652	1,125,151
Mega SCHRODER INVESTMENT MANAGEMENT GROUP	+446,937	1,334,848
Mid BlackBarn Capital Partners LP	+361,508	2,450,000
Mega CITADEL ADVISORS LLC	+334,116	544,595
Mega AMERICAN CENTURY COMPANIES INC	+299,900	4,477,614

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega T. Rowe Price Investment Management, Inc.	−5,593,954	1,598,786
Mega UBS Group AG	−526,046	213,142
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	−475,000	475,000
Mega TD Asset Management Inc	−308,334	116,548
Large Squarepoint Ops LLC	−274,052	27,572

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega JANE STREET GROUP, LLC	462,142	$4,376,483
Mid Triodos Investment Management BV	220,000	$2,083,400
Large Man Group plc	111,323	$1,054,228
Mid Jump Financial, LLC	53,789	$509,381
Mid Y-Intercept (Hong Kong) Ltd	52,104	$493,424

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Alberta Investment Management Corp	476,047	$6,521,843
Mid SEVEN GRAND MANAGERS, LLC	300,000	$4,110,000
Large Pacer Advisors, Inc.	196,865	$2,697,050
Mid Longaeva Partners L.P.	118,944	$1,629,532
Large Walleye Capital LLC	102,139	$1,399,304

Filter: New 24 Increased 35 Reduced 36 Sold out 20 Unchanged 16

Showing 100 of 111

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Platinum Equity Advisors, LLC/DE

$1,564,067,245

85.49%

165,160,216

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PLATINUM EQUITY, LLC	165,160,216	$1,564,067,245	100.0%	Sole

AMERICAN CENTURY COMPANIES INC

$42,403,004

2.32%

4,477,614

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	4,477,614	$42,403,004	100.0%	Defined

BlackBarn Capital Partners LP

$23,201,500

1.27%

2,450,000

BlackRock, Inc.

$16,488,442

0.90%

1,741,124

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	25,093	$237,630	1.4%	Sole
BlackRock Investment Management, LLC	71,983	$681,679	4.1%	Sole
BLACKROCK ADVISORS LLC	59,367	$562,205	3.4%	Sole
BlackRock Fund Advisors	910,347	$8,620,986	52.3%	Sole
BlackRock Institutional Trust Company, N.A.	673,338	$6,376,510	38.7%	Sole
BlackRock Investment Management (UK) Ltd.	996	$9,432	0.1%	Sole

JPMORGAN CHASE & CO

$15,797,209

0.86%

1,668,132

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	100,464	$951,394	6.0%	Defined
J.P. Morgan Investment Management Inc.	1,305,956	$12,367,403	78.3%	Defined
J.P. Morgan Securities LLC	260,992	$2,471,594	15.6%	Defined
J.P. Morgan Securities plc	720	$6,818	0.0%	Defined

T. Rowe Price Investment Management, Inc.

$15,140,503

0.83%

1,598,786

Alyeska Investment Group, L.P.

$14,287,303

0.78%

1,508,691

SCHRODER INVESTMENT MANAGEMENT GROUP

$12,641,010

0.69%

1,334,848

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Schroder Investment Management North America Inc.	1,334,848	$12,641,010	100.0%	Sole

VANGUARD PORTFOLIO MANAGEMENT LLC

$11,785,254

0.64%

1,244,483

VANGUARD CAPITAL MANAGEMENT LLC

$11,567,131

0.63%

1,221,450

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$10,655,179

0.58%

1,125,151

GEODE CAPITAL MANAGEMENT, LLC

$5,678,287

0.31%

599,608

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	93,079	$881,458	15.5%	Defined
Held directly	506,529	$4,796,829	84.5%	Defined

STATE STREET CORP

$5,230,934

0.29%

552,369

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	552,369	$5,230,934	100.0%	Defined

CITADEL ADVISORS LLC

$5,157,314

0.28%

544,595

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	416,009	$3,939,605	76.4%	Defined
Held directly	128,586	$1,217,709	23.6%	Defined

BARCLAYS PLC

$4,754,706

0.26%

502,081

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	257,025	$2,434,026	51.2%	Defined
BARCLAYS CAPITAL INC.	245,056	$2,320,680	48.8%	Defined

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$4,498,250

0.25%

475,000

JANE STREET GROUP, LLC

$4,376,483

0.24%

462,142

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	194,221	$1,839,272	42.0%	Defined
Jane Street Global Trading, LLC	267,921	$2,537,211	58.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$4,005,563

0.22%

422,974

Point72 Asset Management, L.P.

$3,456,379

0.19%

364,982

GOLDMAN SACHS GROUP INC

$3,381,206

0.18%

357,044

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	325,932	$3,086,576	91.3%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	31,112	$294,630	8.7%	Defined

BANK OF AMERICA CORP /DE/

$3,348,033

0.18%

353,541

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	353,541	$3,348,033	100.0%	Defined

PEREGRINE CAPITAL MANAGEMENT LLC

$3,330,201

0.18%

351,658

MILLENNIUM MANAGEMENT LLC

$2,987,775

0.16%

315,499

FRANKLIN RESOURCES INC

$2,906,418

0.16%

306,908

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PUTNAM INVESTMENT MANAGEMENT LLC	306,908	$2,906,418	100.0%	Defined

NORTHERN TRUST CORP

$2,486,962

0.14%

262,615

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	258,571	$2,448,666	98.5%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	4,044	$38,296	1.5%	Other

MORGAN STANLEY

$2,414,410

0.13%

254,954

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	2,395	$22,680	0.9%	Defined
MORGAN STANLEY & CO. LLC	6,925	$65,579	2.7%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	166,849	$1,580,060	65.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	65,314	$618,523	25.6%	Defined
Morgan Stanley Bank, N.A.	136	$1,287	0.1%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13,335	$126,281	5.2%	Defined

SEI INVESTMENTS CO

$2,408,617

0.13%

254,342

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	421	$3,986	0.2%	Sole
SEI TRUST CO	253,921	$2,404,631	99.8%	Sole

Triodos Investment Management BV

$2,083,400

0.11%

220,000

UBS Group AG

$2,018,454

0.11%

213,142

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	213,142	$2,018,454	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$1,936,425

0.11%

204,480

VANGUARD FIDUCIARY TRUST CO

$1,713,265

0.09%

180,915

CITIGROUP INC

$1,507,794

0.08%

159,218

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	159,218	$1,507,794	100.0%	Defined

Militia Capital Management LLC

$1,442,906

0.08%

152,366

LOS ANGELES CAPITAL MANAGEMENT LLC

$1,350,488

0.07%

142,607

VARCOV Co.

$1,279,889

0.07%

135,152

TD Asset Management Inc

$1,103,709

0.06%

116,548

BNP PARIBAS ASSET MANAGEMENT Holding S.A.

$1,088,604

0.06%

114,953

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AXA INVESTMENT MANAGERS UK LIMITED	114,953	$1,088,604	100.0%	Defined

Man Group plc

$1,054,228

0.06%

111,323

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AHL Partners LLP	111,323	$1,054,228	100.0%	Defined

Voleon Capital Management LP

$954,812

0.05%

100,825

Ghisallo Capital Management LLC

$947,000

0.05%

100,000

Burkehill Global Management, LP

$947,000

0.05%

100,000

RENAISSANCE TECHNOLOGIES LLC

$659,670

0.04%

69,659

Centiva Capital, LP

$606,913

0.03%

64,088

Bank of New York Mellon Corp

$580,415

0.03%

61,290

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	16,471	$155,980	26.9%	Defined
The Bank of New York Mellon	40,366	$382,266	65.9%	Defined
BNY Mellon, NA	1,864	$17,652	3.0%	Defined
BNY Mellon Advisors, Inc. joint	2,589	$24,517	4.2%	Other

XTX Topco Ltd

$566,751

0.03%

59,847

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	59,847	$566,751	100.0%	Defined

Nuveen, LLC

$525,622

0.03%

55,504

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	21,445	$203,084	38.6%	Defined
TEACHERS ADVISORS, LLC joint	34,059	$322,538	61.4%	Defined

Jump Financial, LLC

$509,381

0.03%

53,789

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	1,400	$13,258	2.6%	Defined
Leap GP LLC joint	52,389	$496,123	97.4%	Defined

Y-Intercept (Hong Kong) Ltd

$493,424

0.03%

52,104

TWO SIGMA INVESTMENTS, LP

$484,011

0.03%

51,110

Balyasny Asset Management L.P.

$425,013

0.02%

44,880

HRT FINANCIAL LP

$409,047

0.02%

43,194

AXQ CAPITAL, LP

$404,719

0.02%

42,737

AQR CAPITAL MANAGEMENT LLC

$361,941

0.02%

38,220

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Arax Advisory Partners	1,386	$13,125	3.6%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	289	$2,736	0.8%	Other
Stokes Family Office, LLC	19	$179	0.0%	Other
Held directly	36,526	$345,901	95.6%	Defined

Virtu Financial LLC

$347,672

0.02%

36,713

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	36,713	$347,672	100.0%	Defined

Quadrature Capital Ltd

$337,463

0.02%

35,635

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	35,635	$337,463	100.0%	Other

Corient Private Wealth LLC

$336,364

0.02%

35,519

Invesco Ltd.

$332,822

0.02%

35,145

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	3,605	$34,139	10.3%	Defined
Invesco Trust Co joint	9,286	$87,938	26.4%	Defined
Invesco Capital Management LLC	22,254	$210,745	63.3%	Defined

ZACKS INVESTMENT MANAGEMENT

$313,400

0.02%

33,094

RHUMBLINE ADVISERS

$296,401

0.02%

31,299

Brevan Howard Capital Management LP

$284,545

0.02%

30,047

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	30,047	$284,545	100.0%	Defined

Squarepoint Ops LLC

$261,106

0.01%

27,572

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	27,572	$261,106	100.0%	Defined

DARK FOREST CAPITAL MANAGEMENT LP

$228,842

0.01%

24,165

WELLS FARGO & COMPANY/MN

$224,315

0.01%

23,687

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	23,687	$224,315	100.0%	Defined

DEUTSCHE BANK AG\

$219,552

0.01%

23,184

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	349	$3,305	1.5%	Defined
DWS Investments UK Ltd	22,835	$216,247	98.5%	Defined

HighTower Advisors, LLC

$211,900

0.01%

22,376

ALLIANCEBERNSTEIN L.P.

$210,234

0.01%

22,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	22,200	$210,234	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$191,170

0.01%

20,187

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	20,187	$191,170	100.0%	Defined

Aster Capital Management (DIFC) Ltd

$156,842

0.01%

16,562

State of Wyoming

$154,020

0.01%

16,264

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$147,144

0.01%

15,538

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	15,538	$147,144	100.0%	Other

MetLife Investment Management, LLC

$145,875

0.01%

15,404

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	15,404	$145,875	100.0%	Defined

State of Alaska, Department of Revenue

$116,263

0.01%

12,277

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$108,753

0.01%

11,484

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	11,484	$108,753	100.0%	Defined

Engineers Gate Manager LP

$100,334

0.01%

10,595

Park Capital Management, LLC / WI

$98,705

0.01%

10,423

Russell Investments Group, Ltd.

$95,135

0.01%

10,046

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	10,046	$95,135	100.0%	Defined

Vanguard Global Advisers, LLC

$82,748

0.00%

8,738

NEW YORK STATE COMMON RETIREMENT FUND

$77,654

0.00%

8,200

Police & Firemen's Retirement System of New Jersey

$69,699

0.00%

7,360

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	7,360	$69,699	100.0%	Defined

NewEdge Advisors, LLC

$58,240

0.00%

6,150

Tower Research Capital LLC (TRC)

$54,926

0.00%

5,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	5,800	$54,926	100.0%	Defined

Caitong International Asset Management Co., Ltd

$47,492

0.00%

5,015

STRS OHIO

$40,721

0.00%

4,300

FMR LLC

$37,614

0.00%

3,972

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	3,797	$35,957	95.6%	Defined
STRATEGIC ADVISERS LLC	175	$1,657	4.4%	Defined

Daiwa Securities Group Inc.

$25,569

0.00%

2,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Daiwa Asset Management Co. Ltd	2,700	$25,569	100.0%	Sole

Legal & General Group Plc

$24,508

0.00%

2,588

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	2,588	$24,508	100.0%	Defined

Ameritas Investment Partners, Inc.

$18,570

0.00%

1,961

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	1,961	$18,570	100.0%	Other

Arax Advisory Partners

$13,314

0.00%

1,406

ROYAL BANK OF CANADA

$11,458

0.00%

1,210

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	752	$7,121	62.1%	Defined
RBC Capital Markets, LLC	458	$4,337	37.9%	Defined

Parallel Advisors, LLC

$10,852

0.00%

1,146

Farther Finance Advisors, LLC

$10,710

0.00%

1,131

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$3,248

0.00%

343

EverSource Wealth Advisors, LLC

$2,962

0.00%

313

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	36	$340	11.5%	Sole
Held directly	277	$2,622	88.5%	Sole

Essential Partners LLC

$1,496

0.00%

158

SBI Securities Co., Ltd.

$1,070

0.00%

113

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$890

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	94	$890	100.0%	Defined

SIMPLEX TRADING, LLC

$880

0.00%

Sterling Capital Management LLC

$833

0.00%

Integrated Wealth Concepts LLC

$786

0.00%

Quarry LP

$625

0.00%

Key facts CIK 1951070 CUSIP 580907103 13F (30d) 91 filings 91 filers Visit website Investor relations