Who owns WESCO INTERNATIONAL INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WCC from SEC Form 13F filings across 703 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 703 institutions disclosed 47.0M shares of WESCO INTERNATIONAL INC worth $16.21B — about 96.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
703
13F holders
$16.21B
value, 2026 filers
96.2%
of shares outstanding (47.0M sh)
132
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of WCC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.0M | $3.09B | 0.0% | 18.4% | -4.6% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $760.1M | 0.0% | 4.5% | +0.6% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $715.8M | 0.0% | 4.2% | -0.1% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 2.0M | $697.2M | 0.1% | 4.1% | -43.9% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 2.0M | $695.6M | 0.1% | 4.1% | -9.8% |
| 6 | STATE STREET CORP | 1.5M | $523.6M | 0.0% | 3.1% | +3.5% |
| 7 | Invesco Ltd. | 971,590 | $335.6M | 0.0% | 2% | -35.6% |
| 8 | JANE STREET GROUP, LLC | 946,593 | $327.0M | 0.0% | 1.9% | +7122.0% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 927,915 | $320.6M | 0.0% | 1.9% | -1.1% |
| 10 | NORGES BANKNEW | 860,367 | $297.2M | 0.0% | 1.8% | new |
| 11 | BANK OF AMERICA CORP /DE/ | 857,783 | $296.3M | 0.0% | 1.8% | -10.9% |
| 12 | Bank of New York Mellon Corp | 722,298 | $249.5M | 0.0% | 1.5% | -20.4% |
| 13 | BAUPOST GROUP LLC/MA | 662,881 | $229.0M | 4.2% | 1.4% | -53.9% |
| 14 | Alyeska Investment Group, L.P. | 653,591 | $225.8M | 0.6% | 1.3% | +16.2% |
| 15 | MORGAN STANLEY | 634,473 | $219.2M | 0.0% | 1.3% | -10.8% |
| 16 | CITIGROUP INC | 623,906 | $215.5M | 0.1% | 1.3% | +780.9% |
| 17 | AQR CAPITAL MANAGEMENT LLC | 619,132 | $213.9M | 0.1% | 1.3% | +19.0% |
| 18 | LYRICAL ASSET MANAGEMENT LP | 575,980 | $199.0M | 2.5% | 1.2% | -5.2% |
| 19 | FMR LLC | 562,884 | $194.4M | 0.0% | 1.2% | +10.8% |
| 20 | NEW SOUTH CAPITAL MANAGEMENT INC | 512,074 | $176.9M | 7.8% | 1% | -8.1% |
| 21 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 507,163 | $175.2M | 0.5% | 1% | -9.2% |
| 22 | Artisan Partners Limited Partnership | 426,573 | $147.4M | 0.2% | 0.9% | -5.2% |
| 23 | NORTHERN TRUST CORP | 421,738 | $145.7M | 0.0% | 0.9% | -2.9% |
| 24 | CITADEL ADVISORS LLC | 405,381 | $140.0M | 0.0% | 0.8% | +6706.3% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 400,633 | $138.4M | 0.0% | 0.8% | +5.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.