Mountain Pacific Investment Advisers
Mountain Pacific Investment Advisers reported 147 stocks worth $610M in its 13F filing for Q3 2026, filed Oct 29, 2026. Its largest holdings are APH (9.3%), AME (6.9%) and DHR (4.5%). Compared with Q2 2026, the fund opened new positions in XOM and IAUM, added to APH, DHR and AJG, trimmed AME, IEX and TMO and sold out of XOM, SPY and MIDD.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  APH Amphenol Corp New | $56.6M | 9.3% | 672K | +313K (+87%) | 8 of 8 | |
| 2 |  AME Ametek Inc | $41.8M | 6.9% | 169K | −3,826 (−2%) | 8 of 8 | |
| 3 |  DHR Danaher Corp | $27.4M | 4.5% | 124K | +941 (+1%) | 8 of 8 | |
| 4 |  IEX Idex Corp | $25.8M | 4.2% | 113K | −788 (−1%) | 8 of 8 | |
| 5 |  TMO Thermo Fisher Scientific Inc | $25.2M | 4.1% | 37K | −526 (−1%) | 8 of 8 | |
| 6 |  AJG Gallagher Arthur J & Co | $17.4M | 2.9% | 76K | +1,058 (+1%) | 8 of 8 | |
| 7 |  VRT Vertiv Holdings Co | $16.7M | 2.7% | 69K | −8,564 (−11%) | 8 of 8 | |
| 8 |  DCI Donaldson Inc | $15.1M | 2.5% | 174K | −1,726 (−1%) | 8 of 8 | |
| 9 |  ATR Aptargroup Inc | $14.7M | 2.4% | 122K | −4,574 (−4%) | 8 of 8 | |
| 10 |  XYL Xylem Inc | $14.4M | 2.4% | 142K | +7,403 (+6%) | 8 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 XOM Exxon Mobil Corp | $5.1M | 37K |
 SPY Spdr S&P 500 ETF TR | $786K | 1,052 |
 MIDD Middleby Corp | $242K | 1,405 |
 IDA Idacorp Inc | $222K | 1,467 |
 TDY Teledyne Technologies Inc | $213K | 320 |
🔒 Free account: see all 6.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 29, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Mountain Pacific Investment Advisers 13F FAQ
What does Mountain Pacific Investment Advisers own?
Mountain Pacific Investment Advisers reported 147 stocks worth $610M in its 13F filing for Q3 2026, filed Oct 29, 2026. Its largest holdings are APH (9.3%), AME (6.9%) and DHR (4.5%). The table above lists every position in the filing (the top 10 without an account).
What did Mountain Pacific Investment Advisers buy and sell in Q3 2026?
Compared with Q2 2026: 7 new positions, 47 added to, 50 trimmed and 6 sold out. New positions include XOM and IAUM. It sold all of XOM, SPY and MIDD.
When will Mountain Pacific Investment Advisers file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Mountain Pacific Investment Advisers's portfolio worth?
The Q3 2026 filing reports $610M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.