WCC · Wesco International Inc · Shareholders & Ownership
Every disclosed holder of WCC in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns WCC
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 46,827,358 | 96.09% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 8,872,902 | 18.21% |
| Remaining | 6,967,406 | -14.30% |
| Registered funds (N-PORT, not summed) | 19,394,922 | 39.80% |
Shares outstanding: 48,732,854, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of WCC
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
8,958,787 | ||
| 1.1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
4,356,212 | ||
| 1.2 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,666,147 | ||
| 1.3 |
iShares Large Cap Core Active ETF
Fund
S000082317 · Registered fund · Jul 31, 2026
BlackRock ETF Trust, not summed
|
586,839 | ||
| 1.4 |
BlackRock Equity Dividend Fund
Fund
S000002243 · Registered fund · Jul 31, 2026
BlackRock Equity Dividend Fund, not summed
|
292,636 | ||
| 1.5 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
244,126 | ||
| 2 |
BlackRock Portfolio Management LLC
13G
CIK 2052113 · Holding company · Feb 27, 2026
Rule 13d-1(b), qualified institution
|
4,937,210 | ||
| 3 |
|
3,657,098 | ||
| 4 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,200,573 | ||
| 5 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,072,241 | ||
| 6 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,018,251 | ||
| 6.1 |
WELLINGTON MANAGEMENT GROUP LLP
13G
CIK 902219 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
2,018,251 | ||
| 7 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,013,677 | ||
| 7.1 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
354,676 | ||
| 7.2 |
Dimensional U.S. Targeted Value ETF
Fund
S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
222,237 | ||
| 7.3 |
U.S. Targeted Value Portfolio
Fund
S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
181,689 | ||
| 7.4 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
153,587 | ||
| 7.5 |
Dimensional US Small Cap Value ETF
Fund
S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
148,384 | ||
| 8 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,545,414 | ||
| 9 |
|
1,515,816 | ||
| 9.1 |
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund
S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
246,521 | ||
| 9.2 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund
S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
74,793 | ||
| 9.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
16,816 | ||
| 9.4 |
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund
S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
9,089 | ||
| 9.5 |
State Street(R) SPDR(R) S&P(R) 1500 Value Tilt ETF
Fund
S000033831 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
969 | ||
| 10 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,116,820 | ||
| 11 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
971,590 | ||
| 11.1 |
Invesco S&P MidCap Momentum ETF
Fund
S000003056 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
324,525 | ||
| 11.2 |
Invesco Small Cap Value Fund
Fund
S000027837 · Registered fund · Jul 31, 2026
AIM Sector Funds (Invesco Sector Funds), not summed
|
196,387 | ||
| 11.3 |
Invesco Value Opportunities Fund
Fund
S000027840 · Registered fund · Jul 31, 2026
AIM Sector Funds (Invesco Sector Funds), not summed
|
165,205 | ||
| 11.4 |
Invesco Small Cap Equity Fund
Fund
S000000218 · Registered fund · Jun 30, 2026
AIM Funds Group (Invesco Funds Group), not summed
|
53,296 | ||
| 11.5 |
Invesco S&P MidCap 400 Revenue ETF
Fund
S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
41,796 | ||
| 12 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
946,593 | ||
| 13 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
927,915 | ||
| 14 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
860,367 | ||
| 15 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
857,783 | ||
| 16 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
722,298 | ||
| 16.1 |
BNY Mellon US Mid Cap Core Equity ETF
Fund
S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
7,036 | ||
| 17 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
707,577 | ||
| 18 |
BAUPOST GROUP LLC/MA
13F
CIK 1061768 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
662,881 | ||
| 19 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
653,591 | ||
| 20 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
634,473 | ||
| 20.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
62 | ||
| 21 |
|
623,906 | ||
| 22 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
619,132 | ||
| 22.1 |
AQR Long-Short Equity Fund
Fund
S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
40,003 | ||
| 22.2 |
AQR Managed Futures Strategy Fund
Fund
S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
20,411 | ||
| 22.3 |
AQR Equity Market Neutral Fund
Fund
S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
17,727 | ||
| 22.4 |
AQR Style Premia Alternative Fund
Fund
S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
14,397 | ||
| 22.5 |
AQR Managed Futures Strategy HV Fund
Fund
S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
4,815 | ||
| 23 |
LYRICAL ASSET MANAGEMENT LP
13F
CIK 1542302 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
575,980 | ||
| 23.1 |
LYRICAL U.S. VALUE EQUITY FUND
Fund
S000039711 · Registered fund · May 31, 2026
Ultimus Managers Trust, not summed
|
103,614 | ||
| 24 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
562,884 | ||
| 24.1 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
250,578 | ||
| 24.2 |
Fidelity Mid Cap Index Fund
Fund
S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
181,241 | ||
| 24.3 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
139,509 | ||
| 24.4 |
Fidelity Advisor Stock Selector Mid Cap Fund
Fund
S000005114 · Registered fund · May 31, 2026
Fidelity Advisor Series I, not summed
|
122,813 | ||
| 24.5 |
Fidelity SAI Small-Mid Cap Momentum Index Fund
Fund
S000050321 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
121,803 | ||
| 25 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
558,473 | ||
| 26 |
NEW SOUTH CAPITAL MANAGEMENT INC
13F
CIK 1044797 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
512,074 | ||
| 27 |
BARROW HANLEY MEWHINNEY & STRAUSS LLC
13F
CIK 313028 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
507,163 | ||
| 28 |
|
479,007 | ||
| 29 |
Artisan Partners Limited Partnership
13F
CIK 1466153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
426,573 | ||
| 29.1 |
Artisan Mid Cap Fund
Fund
S000006496 · Registered fund · Jun 30, 2026
Artisan Partners Funds Inc., not summed
|
116,150 | ||
| 29.2 |
Artisan Global Discovery Fund
Fund
S000058458 · Registered fund · Jun 30, 2026
Artisan Partners Funds Inc., not summed
|
3,248 | ||
| 30 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
421,738 | ||
| 30.1 |
Mid Cap Index Fund
Fund
S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
31,659 | ||
| 30.2 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,264 | ||
| 31 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
405,381 | ||
| 32 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
400,633 | ||
| 32.1 |
Schwab U.S. Mid-Cap ETF
Fund
S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
131,541 | ||
| 32.2 |
Schwab U.S. Large-Cap ETF
Fund
S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
52,016 | ||
| 32.3 |
Schwab Fundamental U.S. Large Company ETF
Fund
S000040877 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
50,578 | ||
| 32.4 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
29,348 | ||
| 32.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
28,855 | ||
| 33 |
Bridge Builder Large Cap Value Fund
Fund
S000048335 · Registered fund · Jun 30, 2026
Bridge Builder Trust, not summed
|
389,498 | ||
| 34 |
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
CIK 1705339 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
388,187 | ||
| 34.1 |
Global X U.S. Infrastructure Development ETF
Fund
S000056509 · Registered fund · May 31, 2026
GLOBAL X FUNDS, not summed
|
356,850 | ||
| 35 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
387,475 | ||
| 36 |
Davis Selected Advisers
13F
CIK 1036325 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
363,915 | ||
| 36.1 |
Davis Opportunity Fund
Fund
S000003442 · Registered fund · Jun 30, 2026
DAVIS SERIES INC, not summed
|
114,587 | ||
| 37 |
JENNISON ASSOCIATES LLC
13F
CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
322,583 | ||
| 38 |
|
319,905 | ||
| 39 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
317,553 | ||
| 40 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
308,187 | ||
| 41 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
307,582 | ||
| 41.1 |
SmallCap Fund
Fund
S000007214 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
71,100 | ||
| 41.2 |
MidCap S&P 400 Index Fund
Fund
S000007079 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
18,620 | ||
| 41.3 |
SmallCap Account
Fund
S000007675 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
|
6,500 | ||
| 41.4 |
MidCap Value Fund I
Fund
S000007173 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
1,071 | ||
| 42 |
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F
CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
298,199 | ||
| 42.1 |
Nomura Small Cap Value Fund
Fund
S000002401 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
|
116,964 | ||
| 42.2 |
Nomura VIP Small Cap Value Series
Fund
S000002475 · Registered fund · Jun 30, 2026
Delaware VIP Trust, not summed
|
49,800 | ||
| 42.3 |
Nomura Opportunity Fund
Fund
S000065918 · Registered fund · Jun 30, 2026
Delaware Group Equity Funds IV, not summed
|
21,402 | ||
| 42.4 |
Optimum Small-Mid Cap Growth Fund
Fund
S000002424 · Registered fund · Jun 30, 2026
Optimum Fund Trust, not summed
|
17,963 | ||
| 42.5 |
Nomura Smid Cap Core Fund
Fund
S000024831 · Registered fund · Jun 30, 2026
IVY FUNDS, not summed
|
15,447 | ||
| 43 |
Quantinno Capital Management LP
13F
CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
286,831 | ||
| 44 |
VANGUARD EXPLORER FUND
Fund
S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
|
283,314 | ||
| 45 |
PointState Capital LP
13G
CIK 1509842 · Registered investment adviser · Jun 30, 2025
Rule 13d-1(c), passive investor
|
278,594 | ||
| 46 |
Clearbridge Investments, LLC
13F
CIK 1348883 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
278,062 | ||
| 47 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
268,449 | ||
| 47.1 |
Goldman Sachs Small/Mid Cap Growth Fund
Fund
S000009322 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
23,965 | ||
| 47.2 |
Goldman Sachs Variable Insurance Trust Mid Cap Value Fund
Fund
S000009358 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
|
13,936 | ||
| 47.3 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
1,778 | ||
| 47.4 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
1,502 | ||
| 47.5 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
580 | ||
| 48 |
|
267,393 | ||
| 48.1 |
Nuveen Mid Cap Value Fund
Fund
S000005385 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
83,916 | ||
| 48.2 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
42,014 | ||
| 48.3 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
41,190 | ||
| 48.4 |
Nuveen Quant Small/Mid Cap Equity Fund
Fund
S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
30,960 | ||
| 48.5 |
Nuveen Mid Cap Value Opportunities Fund
Fund
S000005556 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
|
24,101 | ||
| 49 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
262,932 | ||
| 49.1 |
Heritage Fund
Fund
S000006206 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
|
192,657 | ||
| 50 |
Capital Research Global Investors
13F
CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
260,503 |
120 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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