AUMdb

Select Equity Group, L.P.

SEC-registered Private Fund Manager · Large ($10B–$100B) CRD 168496 · SEC file 801-78977 · New York, NY · WWW.ASTORPLACEHOLDINGS.COM
☆ Save with Pro ADV data as of Mar 31, 2026
Regulatory AUM
$36.4B
Discretionary
$36.4B
Clients
766
Avg AUM / client
$47.5M
Accounts
770
Employees
171

AUM over time

$10.3B $58.5B
Dec 2013 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 31, 2026

Investments (13F portfolio — 167 positions, $19,533,465,672)

13F period Mar 31, 2026
#IssuerClassValueShares% of 13F% of AUM
1 Live Nation Entertainment In COM $815,082,832 5,344,455 4.17% 2.24%
2 Viking Holdings Ltd ORD SHS $793,745,876 10,802,203 4.06% 2.18%
3 Itt Inc COM $745,636,488 3,913,486 3.82% 2.05%
4 Wabtec COM $730,647,622 2,923,643 3.74% 2.01%
5 Markel Group Inc COM $722,835,137 377,643 3.7% 1.99%
6 Somnigroup International Inc COM $685,527,279 9,273,908 3.51% 1.88%
7 Martin Marietta Matls Inc COM $608,353,686 1,033,420 3.11% 1.67%
8 Tractor Supply Co COM $602,329,819 13,296,464 3.08% 1.66%
9 Labcorp Holdings Inc COM SHS $580,254,386 2,174,785 2.97% 1.59%
10 Brown & Brown Inc COM $523,122,641 8,022,123 2.68% 1.44%
11 Crh Plc ORD $510,619,139 4,857,488 2.61% 1.4%
12 Service Corp Intl COM $504,445,595 6,113,751 2.58% 1.39%
13 Steris Plc SHS USD $473,965,398 2,143,379 2.43% 1.3%
14 Nasdaq Inc COM $472,253,766 5,563,126 2.42% 1.3%
15 Alcon Ag ORD SHS $418,614,617 5,676,304 2.14% 1.15%
16 Emcor Group Inc COM $410,388,875 555,849 2.1% 1.13%
17 Canadian Pacific Kansas City COM $388,761,383 4,956,024 1.99% 1.07%
18 Trimble Inc COM $365,670,770 5,605,868 1.87% 1.01%
19 Core & Main Inc CL A $358,357,826 7,254,207 1.83% 0.98%
20 Taiwan Semiconductor Manufac SPONSORED ADS $347,387,592 1,027,926 1.78% 0.95%
21 Paychex Inc COM $338,087,125 3,670,073 1.73% 0.93%
22 C H Robinson Worldwide In COM NEW $325,919,682 1,962,544 1.67% 0.9%
23 Clean Harbors Inc COM $324,464,241 1,131,602 1.66% 0.89%
24 Corpay Inc COM SHS $309,597,647 1,063,946 1.59% 0.85%
25 Signet Jewelers Limited SHS $277,180,426 3,274,816 1.42% 0.76%

Top 25 of 167 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).

Who they serve

Client typeClientsAUM% of AUM
Individuals (non-high net worth) 387 $537M 1.48%
High net worth individuals 249 $959M 2.64%
Banking or thrift institutions Fewer than 5 clients $141M 0.39%
Investment companies 2 $1.5B 4.26%
Pooled investment vehicles (non-investment companies) 50 $28.7B 79.0%
Pension and profit sharing plans 10 $1.1B 2.99%
Charitable organizations 45 $599M 1.65%
State or municipal government entities Fewer than 5 clients $279M 0.77%
Other investment advisers 5 $1.7B 4.74%
Insurance companies Fewer than 5 clients $0
Sovereign wealth funds and foreign official institutions Fewer than 5 clients $432M 1.19%
Corporations and other businesses 7 $303M 0.83%
Other 11 $33.9M 0.09%

Private funds (35)

View all →

Reported in Form ADV Section 7.B.(1), filing of Aug 2024 · $29.0B combined gross assets

FundTypeDomicileGross assetsOwners
Seg Partners Ii, L.P. Hedge Fund Delaware $9.6B 1,672
Seg Partners Offshore Master Fund, Ltd. master Hedge Fund Cayman Islands $5.8B 909
Bbh Select Equity Master Fund, L.P. master Other Private Fund Cayman Islands $2.1B 1
Baxter Street Offshore Master Fund, Ltd. master Hedge Fund Cayman Islands $1.5B 83
Baxter Street Fund Ii, L.P. Hedge Fund Delaware $1.3B 214
Select Equity Fund, L.P. Hedge Fund Delaware $1.1B 173
Baxter Street Fund, L.P. Hedge Fund Delaware $1.0B 55
Cooper Square Fund, L.P. Hedge Fund Delaware $959M 57
Select Equity Offshore Master Fund, Ltd. master Hedge Fund Cayman Islands $784M 82
Seg Partners L.P. Hedge Fund Delaware $752M 74
Cooper Square Fund Ii, L.P. Hedge Fund Delaware $425M 281
Great Jones Fund, L.P. Hedge Fund Delaware $423M 80
Sheridan Square Offshore Master Fund, Ltd. master Hedge Fund Cayman Islands $396M 43
Great Jones Offshore Master Fund, Ltd. master Hedge Fund Cayman Islands $391M 28
Select Partners Els Master Fund, Ltd. master Hedge Fund Cayman Islands $331M 6

Retirement plan clients

Plans that reported this firm as an investment service provider on Form 5500 Schedule C.

Plan Location Plan year
The Defined Benefit Plan Of Adams Community Bank Adams Community Bank 2024
The Defined Benefit Plan Of The Institution For Savings In Newburyport Institution For Savings In Newburyport 2024
Pipefitters Union Local No. 537 Pension Fund Pipe & Refrigeration Fitters Local 537 2024
Pipefitters Local Union No. 537 Deferred Income Annuity Fund Individual Account Plan Pipefitters Local Union No.537 2024
The Citigroup Pension Plan Citigroup Inc. 2024
Cc Industries And Affiliates Profit Sharing Plan For Salaried Employees Henry Crown And Company S Llc D/B/A Cc Industries, Inc. 2024
Cbera Plan C Cooperative Banks Employees Retirement Association 2024
Henry Crown And Company Pension Plan Henry Crown & Company S Llc 2024
Retirement Plan For Great Dane Llc Great Dane Llc Chicago, IL 2024

People (4)

NameRole / titleCredentialsWith firm sinceOwnership
Loening, George, Stabler Chairman Jan 1990 (37y) ≈ 37.5% – 75% via Select Equity Partners, L.P.
Conover, David, Dewitt Chief Financial Officer Oct 2010 (16y) Less than 5%
Vinsonhaler, Jennifer, Anne Chief Compliance Officer Oct 2010 (16y) Less than 5%
Liang, Edward, Paul Chief Legal Officer Jul 2013 (13y) Less than 5%

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Select Equity Partners, L.P. Limited Partner Nov 2013 A 75% or more
Seg Legacy S Corp. Limited Partner Nov 2013 A 5% – 10%
Select Equity Gp, Llc General Partner Nov 2013 A Less than 5%

Undisclosed: 0% – 20% of the firm is not attributable from the filed Schedule A bands.

Estimated effective ownership (look-through of filed bands):

  • Loening, George, Stabler: 50% – 75% of Select Equity Partners, L.P. × 75% – 100% direct ≈ 37.5% – 75% of the firm

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (35, $29.0B gross assets)

FundTypeGross assetsMin. investmentOwners
Seg Partners Ii, L.P. Hedge Fund $9.6B $5.0M 1,672
Seg Partners Offshore Master Fund, Ltd. Hedge Fund $5.8B $5.0M 909
Bbh Select Equity Master Fund, L.P. Other Private Fund $2.1B $250K 1
Baxter Street Offshore Master Fund, Ltd. Hedge Fund $1.5B $1.0M 83
Baxter Street Fund Ii, L.P. Hedge Fund $1.3B $1.0M 214
Select Equity Fund, L.P. Hedge Fund $1.1B $500K 173
Baxter Street Fund, L.P. Hedge Fund $1.0B $1.0M 55
Cooper Square Fund, L.P. Hedge Fund $959M $1.0M 57
Select Equity Offshore Master Fund, Ltd. Hedge Fund $784M $500K 82
Seg Partners L.P. Hedge Fund $752M $1.0M 74
Cooper Square Fund Ii, L.P. Hedge Fund $425M $1.0M 281
Great Jones Fund, L.P. Hedge Fund $423M $1.0M 80
Sheridan Square Offshore Master Fund, Ltd. Hedge Fund $396M $1.0M 43
Great Jones Offshore Master Fund, Ltd. Hedge Fund $391M $500K 28
Select Partners Els Master Fund, Ltd. Hedge Fund $331M $100K 6
Sheridan Square Fund, L.P. Hedge Fund $326M $1.0M 53
Crosby Street Offshore Master Fund, Ltd. Hedge Fund $311M $1.0M 18
Shinbone Alley, L.P. Hedge Fund $303M $1.0M 64
Sheridan Square Fund Ii, L.P. Hedge Fund $250M $1.0M 77
Crosby Street Fund, L.P. Hedge Fund $209M $1.0M 38
Astor Place Fund I, L.P. Private Equity Fund $158M $50.0K 16
Cooper Square Offshore Master Fund, Ltd. Hedge Fund $147M $1.0M 67
Astor Place Special Investors, L.P. Private Equity Fund $142M $50.0K 25
Hudson Street Fund, L.P. Hedge Fund $93.3M $1.0M 22
Seg Blackwall Fund, L.P. Hedge Fund $88.2M $1.0M 15

Top 25 of 35 funds by gross assets · all funds

From Form ADV Section 7.B private fund reporting.

Retirement plans served (9)

PlanSponsorParticipantsPlan assetsAs of
The Defined Benefit Plan Of Adams Community Bank Adams Community Bank 94 $25.6M 11/01/2024
The Defined Benefit Plan Of The Institution For Savings In Newburyport Institution For Savings In Newburyport 160 $71.7M 11/01/2024
Pipefitters Union Local No. 537 Pension Fund Pipe & Refrigeration Fitters Local 537 2,372 $962M 03/01/2024
Pipefitters Local Union No. 537 Deferred Income Annuity Fund Individual Account Plan Pipefitters Local Union No.537 3,374 $785M 03/01/2024
The Citigroup Pension Plan Citigroup Inc. 14,217 $10.0B 01/01/2024
Cc Industries And Affiliates Profit Sharing Plan For Salaried Employees Henry Crown And Company S Llc D/B/A Cc Industries, Inc. 316 $214M 01/01/2024
Cbera Plan C Cooperative Banks Employees Retirement Association 350 $130M 01/01/2024
Henry Crown And Company Pension Plan Henry Crown & Company S Llc 302 $159M 01/01/2024
Retirement Plan For Great Dane Llc Great Dane Llc 3,435 $298M 01/01/2024

From Form 5500 service-provider disclosures.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/31/2026 9.41 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

Regulatory · Item 11.D(2) as of Aug 29, 2024

Allegations: ON MAY 10, 2021, THE SWISS FEDERAL DEPARTMENT OF FINANCE ("FDF") OPENED AN INVESTIGATION AGAINST GEORGE LOENING IN HIS CAPACITY AS DEEMED CONTROLLER OF CERTAIN U.S. INVESTMENT FUNDS ADVISED BY SELECT EQUITY GROUP, L.P. FOR A SUSPECTED VIOLATION OF THE SWISS RULES CONCERNING THE DISCLOSURE OF SIGNIFICANT SHAREHOLDINGS IN LISTED COMPANIES. THE PROCEEDINGS WERE INITIATED PURSUANT TO ARTICLES 120 AND 151 OF THE FINANCIAL MARKET INFRASTRUCTURE ACT (THE "FMIA"). ARTICLE 120 FMIA PROVIDES THAT WHOEVER HOLDS A DISCLOSABLE INTEREST IN A SWISS-LISTED ISSUER MUST NOTIFY THE RELEVANT ISSUER AND THE SWISS STOCK EXCHANGE ON WHICH THE ISSUER'S EQUITY SECURITIES ARE LISTED WITHIN A SPECIFIED PERIOD OF TIME (GENERALLY FOUR TRADING DAYS) IF THE POSITIONS HELD IN THE RELEVANT SWISS-LISTED ISSUER REACH, EXCEED ,OR FALL BELOW CERTAIN THRESHOLDS. PURSUANT TO ARTICLE 151 FMIA, NON-COMPLIANCE WITH THESE DISCLOSURE OBLIGATIONS IS MAY RESULT IN THE IMPOSITION OF A FINE OF UP TO CHF 10 MILLION IN THE CASE OF AN INTENTIONAL BREACH, AND OF UP TO CHF 100,000 IN THE CASE OF NEGLIGENCE. ON MAY 19, 2021, THE FDF NOTIFIED MR. LOENING THAT IT HAD DETERMINED THAT HE HAD NEGLIGENTLY BREACHED THE DISCLOSURE OBLIGATIONS REFERRED TO ABOVE BETWEEN AUGUST 16, 2016 AND JANUARY 27, 2017, AND THAT THE FDF IS CONSIDERING IMPOSING A FINE. ON NOVEMBER 8, 2022, MR. LOENING ADMITTED HAVING ERRONEOUSLY FILED A DISCLOSURE NOTIFICATION REGARDING CROSSING OF THE 5% VOTING RIGHTS OF AN ISSUER AND UPON DETERMINING THAT THE HARM CAUSED HAS BEEN RIGHTED AND RECEIVING THE PAYMENT, THE FDF HAS AGREED TO DISCONTINUE THE PROCEEDINGS. Status: Final Sanction Detail: ON NOVEMBER 8, 2022, MR. LOENING ADMITTED HAVING ERRONEOUSLY FILED A DISCLOSURE NOTIFICATION REGARDING CROSSING OF THE 5% VOTING RIGHTS OF AN ISSUER AND UPON DETERMINING THAT THE HARM CAUSED HAS BEEN RIGHTED AND RECEIVING THE PAYMENT, THE FDF HAS AGREED TO DISCONTINUE THE PROCEEDINGS. Summary: ON NOVEMBER 8, 2022, MR. LOENING ADMITTED HAVING ERRONEOUSLY FILED A DISCLOSURE NOTIFICATION REGARDING CROSSING OF THE 5% VOTING RIGHTS OF AN ISSUER AND UPON DETERMINING THAT THE HARM CAUSED HAS BEEN RIGHTED AND RECEIVING THE PAYMENT, THE FDF HAS AGREED TO DISCONTINUE THE PROCEEDINGS.

Disclosure text reproduced verbatim from the firm's own Form ADV filings.

How they charge

  • Percentage of assets under management
  • Performance-based fees

Services

  • Portfolio management for individuals/small businesses
  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.

View current Form ADV (SEC/IAPD) ↗