Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC (CIK 1067324) reported $583.7M across 141 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: APH ($47.0M, 8.05%), AME ($38.6M, 6.62%), DHR ($23.9M, 4.10%), IEX ($22.4M, 3.83%), VRT ($20.7M, 3.54%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1APHAMPHENOL CORP$47.0M8.05%371,890Trimmed
2AMEAMETEK INC$38.6M6.62%180,304Trimmed
3DHRDANAHER CORP DEL$23.9M4.10%126,206Trimmed
4IEXIDEX CORP$22.4M3.83%117,999Trimmed
5VRTVERTIV HOLDINGS CO$20.7M3.54%82,439Trimmed
6TMOTHERMO FISHER SCIENTIFIC INC$18.9M3.24%38,509Trimmed
7ATRAPTARGROUP INC$16.5M2.83%131,282Trimmed
8XYLXYLEM INC$16.5M2.82%137,928Added
9AJGGALLAGHER ARTHUR J & CO$16.3M2.80%75,490Added
10DCIDONALDSON INC$15.4M2.63%181,180Trimmed
11ROPROPER TECHNOLOGIES INC$14.8M2.54%41,945Added
12FISVFISERV INC$13.8M2.37%248,102Trimmed
13GGGGRACO INC$12.6M2.15%148,326Trimmed
14BSVVANGUARD BD INDEX FDS$11.7M2.01%149,538Trimmed
15VRSKVERISK ANALYTICS INC$11.5M1.97%60,545Trimmed
16NDSNNORDSON CORP$10.4M1.78%39,072Trimmed
17COSTCOSTCO WHOLESALE CORPORATION$9.9M1.70%9,964Trimmed
18RBCRBC BEARINGS INC$9.7M1.67%17,904Trimmed
19NVTNVENT ELEC PLC$9.7M1.66%81,796Trimmed
20FIXCOMFORT SYS USA INC$9.0M1.55%6,556Trimmed
21LSTRLANDSTAR SYS INC$8.8M1.52%55,169Trimmed
22FASTFASTENAL CO$8.9M1.52%190,851Trimmed
23RPMRPM INTL INC$8.8M1.50%88,060Trimmed
24ECLECOLAB INC$8.8M1.50%32,985Trimmed
25CHDCHURCH & DWIGHT CO INC$7.5M1.29%80,528Trimmed

Source: SEC Form 13F filings · as of 2026-03-31