Wesco International Inc
WCC- Exchange
- NYSE
- Industry
- Wholesale-Electrical Apparatus & Equipment, Wiring Supplies
- SEC CIK
- 0000929008
In the last 90 days, Wesco International Inc insiders filed 1 open-market purchase and 2 sales; 704 institutions reported holding it in 13F filings for Q2 2026, worth $16.2B in total; Baupost Group is the only superinvestor holding it.
Holders of 5% or more of WCC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Wesco International Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock Portfolio Management LLC | 13G/A | 10.10%4.94M shares | +2.10 ppfrom 8.00% | Jan 21, 20262 filings | Mar 4, 2026 | SEC |
| Wellington Management Group LLP | 13G/A | 7.40%3.60M shares | +1.70 ppfrom 5.70% | Nov 12, 20253 filings | May 15, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.24%2.55M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
9 Schedule 13D and 13G filings on Wesco International Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20267:34 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 7.40%3.60M shares | +1.70 ppfrom 5.70% | Mar 31, 2026 | SEC |
| Apr 30, 20262:37 PM ET | Vanguard Capital Management LLC | 13G | 5.24%2.55M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20262:17 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Mar 4, 20265:21 PM ET | BlackRock Portfolio Management LLC | 13G/A | 10.10%4.94M shares | +2.10 ppfrom 8.00% | Feb 27, 2026 | SEC |
| Feb 10, 202611:19 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 5.70%2.78M shares | −1.30 ppfrom 7.00% | Dec 31, 2025 | SEC |
| Jan 21, 20263:11 PM ET | BlackRock Portfolio Management LLC | 13G | 8.00%3.91M shares | New | Dec 31, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 7.00%3.39M shares | New | Sep 30, 2025 | SEC |
| Aug 14, 20254:33 PM ET | PointState Capital LPand 4 others | 13G/A | 0.60%278.6K shares | −4.00 ppfrom 4.60%Below 5% | Jun 30, 2025 | SEC |
| Feb 14, 20255:03 PM ET | PointState Capital LPand 4 others | 13G/A | 4.60%2.26M shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Wesco International Inc shares.
No Form 144 notices for Wesco International Inc are on file.