905 institutions reported holding $35.64B of WASTE CONNECTIONS INC (WCN) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($5.19B), Royal Bank of Canada ($2.20B), BANK OF MONTREAL /CAN/ ($1.45B), 1832 Asset Management L.P. ($1.24B), BlackRock, Inc. ($1.06B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30