Filed: 1/29/2026ACC: 0001067324-26-000002
📋 What this filing means
MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC filed this quarterly 13F‑HR report disclosing 144 equity positions with a total reported market value of $617.10M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
144
Positions
$617.10M
Total AUM (reported)
4.44M
Total Shares
Allocation by class
COM$479.48M77.7%
CL A$59.17M9.6%
COM CL A$15.91M2.6%
SHS$13.38M2.2%
SHORT TRM BOND$12.35M2.0%
SHRT TRM CORP BD$7.27M1.2%
COM SHS$5.45M0.9%
Portfolio Concentration
Top 3$123.82M20.1%
4–10$133.38M21.6%
11–25$157.52M25.5%
Rest$202.37M32.8%
Top 3 weight
20.1%
Top 10 weight
41.7%
Voting Authority Distribution
Total shares with voting rights: 4.44M
Sole
Full voting authority
4.44M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole144
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings144
Rows:
AMPHENOL CORP NEW
SOLEShares412.73K
TypeSH
Market value$55.78M
9.04%
Sole
412.73K
Shared
0.00
None
0.00
AMETEK INC
SOLEShares187.60K
TypeSH
Market value$38.52M
6.24%
Sole
187.60K
Shared
0.00
None
0.00
DANAHER CORPORATION
SOLEShares129.01K
TypeSH
Market value$29.53M
4.79%
Sole
129.01K
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC
SOLEShares39.33K
TypeSH
Market value$22.79M
3.69%
Sole
39.33K
Shared
0.00
None
0.00
IDEX CORP
SOLEShares120.38K
TypeSH
Market value$21.42M
3.47%
Sole
120.38K
Shared
0.00
None
0.00
GALLAGHER ARTHUR J & CO
SOLEShares73.73K
TypeSH
Market value$19.08M
3.09%
Sole
73.73K
Shared
0.00
None
0.00
ROPER TECHNOLOGIES INC
SOLEShares41.40K
TypeSH
Market value$18.43M
2.99%
Sole
41.40K
Shared
0.00
None
0.00
XYLEM INC
SOLEShares134.88K
TypeSH
Market value$18.37M
2.98%
Sole
134.88K
Shared
0.00
None
0.00
FISERV INC
SOLEShares251.82K
TypeSH
Market value$16.91M
2.74%
Sole
251.82K
Shared
0.00
None
0.00
APTARGROUP INC
SOLEShares134.34K
TypeSH
Market value$16.38M
2.66%
Sole
134.34K
Shared
0.00
None
0.00
DONALDSON INC
SOLEShares184.15K
TypeSH
Market value$16.33M
2.65%
Sole
184.15K
Shared
0.00
None
0.00
VERTIV HOLDINGS CO
SOLEShares92.92K
TypeSH
Market value$15.05M
2.44%
Sole
92.92K
Shared
0.00
None
0.00
VERISK ANALYTICS INC
SOLEShares62.38K
TypeSH
Market value$13.95M
2.26%
Sole
62.38K
Shared
0.00
None
0.00
GRACO INC
SOLEShares155.03K
TypeSH
Market value$12.71M
2.06%
Sole
155.03K
Shared
0.00
None
0.00
VANGUARD BD INDEX FDS
SOLEShares156.68K
TypeSH
Market value$12.35M
2.00%
Sole
156.68K
Shared
0.00
None
0.00
FIDELITY NATL INFORMATION SV
SOLEShares153.39K
TypeSH
Market value$10.19M
1.65%
Sole
153.39K
Shared
0.00
None
0.00
NORDSON CORP
SOLEShares40.61K
TypeSH
Market value$9.76M
1.58%
Sole
40.61K
Shared
0.00
None
0.00
RPM INTL INC
SOLEShares90.04K
TypeSH
Market value$9.36M
1.52%
Sole
90.04K
Shared
0.00
None
0.00
NVENT ELECTRIC PLC
SOLEShares85.69K
TypeSH
Market value$8.74M
1.42%
Sole
85.69K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares33.14K
TypeSH
Market value$8.70M
1.41%
Sole
33.14K
Shared
0.00
None
0.00
COSTCO WHSL CORP NEW
SOLEShares9.99K
TypeSH
Market value$8.61M
1.40%
Sole
9.99K
Shared
0.00
None
0.00
LANDSTAR SYS INC
SOLEShares58.36K
TypeSH
Market value$8.39M
1.36%
Sole
58.36K
Shared
0.00
None
0.00
RBC BEARINGS INC
SOLEShares18.43K
TypeSH
Market value$8.27M
1.34%
Sole
18.43K
Shared
0.00
None
0.00
FASTENAL CO
SOLEShares195.24K
TypeSH
Market value$7.84M
1.27%
Sole
195.24K
Shared
0.00
None
0.00
VANGUARD SCOTTSDALE FDS
SOLEShares91.13K
TypeSH
Market value$7.27M
1.18%
Sole
91.13K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMPHENOL CORP NEWSOLE | CL A | 412.73K | SH | $55.78M 9.04% | 412.73K | 0.00 | 0.00 |
AMETEK INCSOLE | COM | 187.60K | SH | $38.52M 6.24% | 187.60K | 0.00 | 0.00 |
DANAHER CORPORATIONSOLE | COM | 129.01K | SH | $29.53M 4.79% | 129.01K | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INCSOLE | COM | 39.33K | SH | $22.79M 3.69% | 39.33K | 0.00 | 0.00 |
IDEX CORPSOLE | COM | 120.38K | SH | $21.42M 3.47% | 120.38K | 0.00 | 0.00 |
GALLAGHER ARTHUR J & COSOLE | COM | 73.73K | SH | $19.08M 3.09% | 73.73K | 0.00 | 0.00 |
ROPER TECHNOLOGIES INCSOLE | COM | 41.40K | SH | $18.43M 2.99% | 41.40K | 0.00 | 0.00 |
XYLEM INCSOLE | COM | 134.88K | SH | $18.37M 2.98% | 134.88K | 0.00 | 0.00 |
FISERV INCSOLE | COM | 251.82K | SH | $16.91M 2.74% | 251.82K | 0.00 | 0.00 |
APTARGROUP INCSOLE | COM | 134.34K | SH | $16.38M 2.66% | 134.34K | 0.00 | 0.00 |
DONALDSON INCSOLE | COM | 184.15K | SH | $16.33M 2.65% | 184.15K | 0.00 | 0.00 |
VERTIV HOLDINGS COSOLE | COM CL A | 92.92K | SH | $15.05M 2.44% | 92.92K | 0.00 | 0.00 |
VERISK ANALYTICS INCSOLE | COM | 62.38K | SH | $13.95M 2.26% | 62.38K | 0.00 | 0.00 |
GRACO INCSOLE | COM | 155.03K | SH | $12.71M 2.06% | 155.03K | 0.00 | 0.00 |
VANGUARD BD INDEX FDSSOLE | SHORT TRM BOND | 156.68K | SH | $12.35M 2.00% | 156.68K | 0.00 | 0.00 |
FIDELITY NATL INFORMATION SVSOLE | COM | 153.39K | SH | $10.19M 1.65% | 153.39K | 0.00 | 0.00 |
NORDSON CORPSOLE | COM | 40.61K | SH | $9.76M 1.58% | 40.61K | 0.00 | 0.00 |
RPM INTL INCSOLE | COM | 90.04K | SH | $9.36M 1.52% | 90.04K | 0.00 | 0.00 |
NVENT ELECTRIC PLCSOLE | SHS | 85.69K | SH | $8.74M 1.42% | 85.69K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 33.14K | SH | $8.70M 1.41% | 33.14K | 0.00 | 0.00 |
COSTCO WHSL CORP NEWSOLE | COM | 9.99K | SH | $8.61M 1.40% | 9.99K | 0.00 | 0.00 |
LANDSTAR SYS INCSOLE | COM | 58.36K | SH | $8.39M 1.36% | 58.36K | 0.00 | 0.00 |
RBC BEARINGS INCSOLE | COM | 18.43K | SH | $8.27M 1.34% | 18.43K | 0.00 | 0.00 |
FASTENAL COSOLE | COM | 195.24K | SH | $7.84M 1.27% | 195.24K | 0.00 | 0.00 |
VANGUARD SCOTTSDALE FDSSOLE | SHRT TRM CORP BD | 91.13K | SH | $7.27M 1.18% | 91.13K | 0.00 | 0.00 |
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