WESCO Ownership | Who Owns WESCO?
WESCO Ownership Summary
WESCO is owned by 98.46% institutional investors, 1.85% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 18.10% of WCC shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.43% of its assets in WESCO shares.
WCC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | WESCO | 98.46% | 1.85% | -0.31% |
| Sector | Industrials Stocks | 49.20% | 16.03% | 34.77% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 8.96M | 18.10% | $3.09B |
| Vanguard group | 4.56M | 9.21% | $1.11B |
| Blackrock | 4.68M | 9.19% | $741.12M |
| Wellington management group llp | 3.60M | 7.27% | $985.06M |
| Vanguard capital management | 2.20M | 4.45% | $760.14M |
| Dimensional fund advisors lp | 2.01M | 4.07% | $695.58M |
| State street | 1.52M | 3.06% | $523.61M |
| Invesco | 1.51M | 3.05% | $413.04M |
| Geode capital management | 927.91K | 1.87% | $320.61M |
| Norges bank | 860.37K | 1.74% | $297.20M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sea cliff partners management, lp | 86.22K | 12.18% | $23.59M |
| New south capital management | 512.07K | 7.75% | $176.89M |
| Kailix advisors | 16.20K | 5.41% | $5.60M |
| Fact capital, lp | 29.51K | 5.37% | $8.07M |
| Bayberry capital partners lp | 62.20K | 5.27% | $17.02M |
| Generali powszechne towarzystwo emerytalne | 82.68K | 4.53% | $28.56M |
| Baupost group llc/ma | 662.88K | 4.23% | $228.98M |
| Black cypress capital management | 13.73K | 3.17% | $4.74M |
| Carnegie lake advisors | 24.28K | 3.13% | $8.39M |
| Private harbour investment management & counsel | 7.51K | 3.08% | $2.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 860.37K | 0.03% | 860.37K |
| Wellington management group llp | 3.60M | 0.18% | 816.01K |
| Citigroup | 623.91K | 0.07% | 553.08K |
| Holocene advisors, lp | 379.34K | 0.25% | 379.34K |
| Blackrock | 4.68M | 0.02% | 317.23K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Leonard green & partners | - | - | -1.25M |
| Baupost group llc/ma | 662.88K | 4.23% | -774.00K |
| Third point | - | - | -525.20K |
| Interval partners, lp | 73.10K | 0.25% | -520.39K |
| Southpoint capital advisors lp | - | - | -500.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 860.37K | 0.03% | 860.37K | $297.20M |
| Holocene advisors, lp | 379.34K | 0.25% | 379.34K | $103.80M |
| Freestone grove partners lp | 119.40K | 0.23% | 119.40K | $32.67M |
| Mizuho markets cayman lp | 76.34K | 0.99% | 76.34K | $26.37M |
| Mawer investment management | 74.62K | 0.18% | 74.62K | $25.77M |
Sold Out
| Holder | Change |
|---|---|
| American capital advisory | -1.00 |
| Crewe advisors | -1.00 |
| Nelson, van denburg & campbell wealth management group | -1.00 |
| Hexagon capital partners | -1.00 |
| Atlantic private wealth | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 634 | -0.16% | 48,736,706 | 0.21% | 98 | 1.02% | 326 | 0.62% | 213 | 2.90% |
| Dec 31, 2025 | 242 | -57.84% | 11,114,158 | -77.20% | 22 | 0.23% | 119 | -60.20% | 79 | -56.59% |
| Sep 30, 2025 | 264 | -50.19% | 13,957,617 | -70.28% | 28 | 0.31% | 148 | -45.59% | 74 | -58.89% |
| Jun 30, 2025 | 532 | -2.39% | 48,535,406 | 3.38% | 98 | 1.09% | 275 | -9.54% | 178 | 17.88% |
| Mar 31, 2025 | 14 | -97.49% | 362,148 | -99.22% | - | 0.01% | 5 | -98.28% | 4 | -97.73% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.67M | 3.43% | 51.00 |
| Vanguard US Total Market Shares ETF | 1.55M | 3.18% | -63.16K |
| Vanguard Morn Total Stk Mkt Idx Investor | 1.55M | 3.17% | -3.28K |
| Vanguard Total Stock Mkt Idx Inv | 1.55M | 3.17% | -3.28K |
| Pacer US Cash Cows 100 ETF | 1.25M | 2.55% | 1.54K |
| Vanguard Small Cap Index | 1.12M | 2.29% | -2.85K |
| BlackRock Large Cap Core (SMA) | 846.26K | 1.74% | - |
| BlackRock Equity Dividend Instl | 843.80K | 1.73% | -207.66K |
| Vanguard Small Cap Value Index Inv | 709.05K | 1.46% | -12.36K |
| Vanguard Morn Small Cap Value Index | 709.05K | 1.46% | -12.36K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 12, 2026 | Thompson Laura K | - | Sell | $99.48K |
| Aug 04, 2026 | Castillo Daniel J | EVP & GM, EES | Buy | $351.25K |
| May 11, 2026 | Porwal Hemant | EVP Supply Chain & Operations | Sell | $1.61M |
| May 06, 2026 | Porwal Hemant | EVP Supply Chain & Operations | Sell | $998.97K |
| May 06, 2026 | Lazzaris Diane | EVP and General Counsel | Sell | $57.71K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2028 Q1 | - | 1 |
| 2024 Q3 | - | 1 |
| 2024 Q2 | - | 4 |
| 2024 Q1 | - | 2 |
| 2023 Q4 | - | 2 |
WCC Ownership FAQ
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