| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock Portfolio Management LLC | 8% | $956,037,854 | 3,907,936 | BlackRock Portfolio Management LLC | 31 Dec 2025 | |||
| WELLINGTON MANAGEMENT GROUP LLP | 5.7% | -19% | $742,966,260 | -$160,734,048 | 2,784,105 | -18% | Wellington Management Group LLP | 31 Dec 2025 |
| PointState Capital LP | 0.6% | -80% | $55,245,190 | -$392,763,688 | 278,594 | -88% | SteelMill Master Fund LP | 30 Jun 2025 |
As of 31 Dec 2025, 604 institutional investors reported holding 48,354,383 shares of WESCO INTERNATIONAL INC - Common Stock (WCC). This represents 99% of the company’s total 48,843,947 outstanding shares.
The largest institutional shareholders of WESCO INTERNATIONAL INC - Common Stock (WCC) together control 68% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 8,018,094 | +34% | 0.03% | $1,961,546,638 |
| VANGUARD GROUP INC | 9.3% | 4,556,697 | -1.2% | 0.02% | $1,114,750,354 |
| WELLINGTON MANAGEMENT GROUP LLP | 5.7% | 2,784,105 | -18% | 0.12% | $681,103,447 |
| DIMENSIONAL FUND ADVISORS LP | 4.6% | 2,249,296 | +1.3% | 0.12% | $550,286,250 |
| STATE STREET CORP | 3% | 1,444,442 | -1.2% | 0.01% | $353,368,291 |
| BAUPOST GROUP LLC/MA | 2.9% | 1,418,831 | -5.6% | 6.6% | $347,103,000 |
| Invesco Ltd. | 2.8% | 1,383,116 | -0.14% | 0.05% | $338,365,499 |
| Allspring Global Investments Holdings, LLC | 2.6% | 1,271,559 | -3.9% | 0.52% | $320,585,467 |
| BANK OF AMERICA CORP /DE/ | 1.9% | 903,882 | +186% | 0.02% | $221,125,804 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 864,237 | +1.7% | 0.01% | $211,472,661 |
| Bank of New York Mellon Corp | 1.7% | 822,568 | +4.8% | 0.04% | $201,233,108 |
| MORGAN STANLEY | 1.4% | 677,602 | +6% | 0.01% | $165,769,185 |
| Alyeska Investment Group, L.P. | 1.3% | 655,634 | +27% | 0.45% | $160,394,302 |
| LYRICAL ASSET MANAGEMENT LP | 1.3% | 651,484 | -4% | 2.3% | $159,379,046 |
| NORGES BANK | 1.3% | 636,187 | 0.02% | $155,636,788 | |
| NEW SOUTH CAPITAL MANAGEMENT INC | 1.3% | 617,676 | -0.91% | 7% | $151,108,257 |
| PointState Capital LP | 1.3% | 612,505 | -11% | 2.6% | $149,843,223 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 1.2% | 581,695 | -15% | 0.47% | $142,305,865 |
| AQR CAPITAL MANAGEMENT LLC | 1.1% | 543,449 | +2.6% | 0.07% | $132,949,310 |
| FMR LLC | 1% | 489,709 | -17% | 0.01% | $119,802,387 |
| Artisan Partners Limited Partnership | 0.98% | 477,485 | 0.18% | $116,811,832 | |
| PRINCIPAL FINANCIAL GROUP INC | 0.88% | 432,098 | +5% | 0.05% | $105,708,467 |
| NORTHERN TRUST CORP | 0.88% | 429,279 | -6% | 0.01% | $105,018,815 |
| RAYMOND JAMES FINANCIAL INC | 0.85% | 415,562 | -7.8% | 0.03% | $101,663,085 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 0.83% | 406,835 | 0% | 0.15% | $99,528,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 48,354,383 | $11,841,379,267 | +$466,171 | $244.64 | 604 |
| 2025 Q3 | 48,253,415 | $10,208,057,682 | +$36,140,239 | $211.50 | 556 |
| 2025 Q2 | 48,300,737 | $8,965,141,573 | +$289,804,200 | $185.20 | 524 |
| 2025 Q1 | 47,002,403 | $7,295,626,407 | +$50,812,977 | $155.30 | 524 |
| 2024 Q4 | 46,228,244 | $8,365,006,432 | +$91,362,750 | $180.96 | 525 |
| 2024 Q3 | 45,595,336 | $7,661,237,447 | -$268,164,955 | $167.98 | 499 |
| 2024 Q2 | 47,719,815 | $7,567,430,187 | +$81,430,292 | $158.52 | 479 |
| 2024 Q1 | 47,182,980 | $8,073,686,423 | -$174,378,200 | $171.28 | 454 |
| 2023 Q4 | 47,919,453 | $8,333,186,024 | -$120,362,469 | $173.88 | 436 |
| 2023 Q3 | 48,431,648 | $6,963,606,914 | -$519,232,410 | $143.82 | 404 |
| 2023 Q2 | 51,383,867 | $9,192,466,604 | +$659,078,030 | $179.06 | 441 |
| 2023 Q1 | 47,845,916 | $7,391,240,811 | +$722,618 | $154.54 | 425 |
| 2022 Q4 | 47,919,015 | $6,004,262,861 | -$49,960,874 | $125.20 | 367 |
| 2022 Q3 | 48,340,645 | $5,774,462,651 | +$52,005,590 | $119.38 | 360 |
| 2022 Q2 | 47,925,504 | $5,136,890,785 | +$33,095,987 | $107.10 | 336 |
| 2022 Q1 | 47,640,425 | $6,198,738,152 | +$47,915,276 | $130.14 | 327 |
| 2021 Q4 | 47,251,311 | $6,217,794,684 | -$3,609,512 | $131.59 | 339 |
| 2021 Q3 | 47,272,431 | $5,451,569,100 | +$67,183,567 | $115.32 | 296 |
| 2021 Q2 | 46,928,118 | $4,824,652,836 | +$22,241,215 | $102.82 | 273 |
| 2021 Q1 | 46,743,318 | $4,044,531,730 | -$21,850,388 | $86.53 | 276 |
| 2020 Q4 | 47,404,022 | $3,721,365,835 | +$7,042,229 | $78.50 | 249 |
| 2020 Q3 | 47,679,838 | $2,098,111,233 | -$87,167,773 | $44.02 | 228 |
| 2020 Q2 | 49,952,924 | $1,752,607,167 | +$318,403,515 | $35.11 | 238 |
| 2020 Q1 | 41,158,007 | $939,717,637 | -$295,365,805 | $22.85 | 216 |
| 2019 Q4 | 42,334,951 | $2,513,193,323 | +$18,562,887 | $59.39 | 222 |
| 2019 Q3 | 42,067,922 | $2,009,847,820 | -$150,723,056 | $47.77 | 186 |
| 2019 Q2 | 45,080,674 | $2,282,127,388 | +$44,824,235 | $50.65 | 221 |
| 2019 Q1 | 45,003,220 | $2,384,838,804 | +$26,850,761 | $53.01 | 232 |
| 2018 Q4 | 44,395,837 | $2,130,959,352 | -$121,641,789 | $48.00 | 231 |
| 2018 Q3 | 46,461,752 | $2,855,059,438 | -$43,154,832 | $61.45 | 237 |
| 2018 Q2 | 47,230,030 | $2,696,912,635 | -$30,056,123 | $57.10 | 233 |
| 2018 Q1 | 47,569,877 | $2,951,754,017 | +$32,206,945 | $62.05 | 227 |
| 2017 Q4 | 47,130,107 | $3,211,523,138 | +$22,712,593 | $68.15 | 226 |
| 2017 Q3 | 46,880,091 | $2,730,441,822 | -$36,281,616 | $58.25 | 192 |
| 2017 Q2 | 47,678,993 | $2,731,986,181 | -$63,007,168 | $57.30 | 222 |
| 2017 Q1 | 48,275,976 | $3,357,632,035 | +$102,467,522 | $69.55 | 226 |
| 2016 Q4 | 48,602,099 | $3,236,002,188 | -$72,714,664 | $66.55 | 250 |
| 2016 Q3 | 49,686,447 | $3,054,076,607 | -$150,884,131 | $61.49 | 220 |
| 2016 Q2 | 52,900,020 | $2,723,826,862 | -$26,417,876 | $51.49 | 230 |
| 2016 Q1 | 52,938,956 | $2,895,575,547 | +$80,883,724 | $54.67 | 205 |
| 2015 Q4 | 51,765,494 | $2,261,163,879 | -$29,048,851 | $43.68 | 183 |
| 2015 Q3 | 52,147,660 | $2,424,213,081 | -$169,378,373 | $46.47 | 189 |
| 2015 Q2 | 54,517,599 | $3,742,055,783 | -$66,896,509 | $68.64 | 212 |
| 2015 Q1 | 55,445,592 | $3,874,907,495 | -$33,129,449 | $69.89 | 201 |
| 2014 Q4 | 55,427,612 | $4,223,246,104 | +$39,521,091 | $76.21 | 227 |
| 2014 Q3 | 54,776,015 | $4,287,341,462 | -$531,993 | $78.26 | 209 |
| 2014 Q2 | 54,662,038 | $4,721,485,947 | -$62,575,538 | $86.38 | 219 |
| 2014 Q1 | 55,261,155 | $4,599,452,821 | -$44,161,142 | $83.22 | 215 |