Filed: 4/16/2026ACC: 0001067324-26-000003
📋 What this filing means
MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC filed this quarterly 13F‑HR report disclosing 141 equity positions with a total reported market value of $583.72M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
141
Positions
$583.72M
Total AUM (reported)
4.26M
Total Shares
Allocation by class
COM$453.63M77.7%
CL A$50.07M8.6%
COM CL A$21.35M3.7%
SHS$13.52M2.3%
SHORT TRM BOND$11.73M2.0%
SHRT TRM CORP BD$6.27M1.1%
COM NEW$4.80M0.8%
Portfolio Concentration
Top 3$109.57M18.8%
4–10$126.71M21.7%
11–25$155.96M26.7%
Rest$191.48M32.8%
Top 3 weight
18.8%
Top 10 weight
40.5%
Voting Authority Distribution
Total shares with voting rights: 4.26M
Sole
Full voting authority
4.26M
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)
Sole141
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings141
Rows:
AMPHENOL CORP
SOLEShares371.89K
TypeSH
Market value$46.99M
8.05%
Sole
371.89K
Shared
0.00
None
0.00
AMETEK INC
SOLEShares180.30K
TypeSH
Market value$38.65M
6.62%
Sole
180.30K
Shared
0.00
None
0.00
DANAHER CORP DEL
SOLEShares126.21K
TypeSH
Market value$23.93M
4.10%
Sole
126.21K
Shared
0.00
None
0.00
IDEX CORP
SOLEShares118K
TypeSH
Market value$22.37M
3.83%
Sole
118K
Shared
0.00
None
0.00
VERTIV HOLDINGS CO
SOLEShares82.44K
TypeSH
Market value$20.66M
3.54%
Sole
82.44K
Shared
0.00
None
0.00
THERMO FISHER SCIENTIFIC INC
SOLEShares38.51K
TypeSH
Market value$18.93M
3.24%
Sole
38.51K
Shared
0.00
None
0.00
APTARGROUP INC
SOLEShares131.28K
TypeSH
Market value$16.54M
2.83%
Sole
131.28K
Shared
0.00
None
0.00
XYLEM INC
SOLEShares137.93K
TypeSH
Market value$16.48M
2.82%
Sole
137.93K
Shared
0.00
None
0.00
GALLAGHER ARTHUR J & CO
SOLEShares75.49K
TypeSH
Market value$16.35M
2.80%
Sole
75.49K
Shared
0.00
None
0.00
DONALDSON INC
SOLEShares181.18K
TypeSH
Market value$15.38M
2.63%
Sole
181.18K
Shared
0.00
None
0.00
ROPER TECHNOLOGIES INC
SOLEShares41.95K
TypeSH
Market value$14.84M
2.54%
Sole
41.95K
Shared
0.00
None
0.00
FISERV INC
SOLEShares248.10K
TypeSH
Market value$13.84M
2.37%
Sole
248.10K
Shared
0.00
None
0.00
GRACO INC
SOLEShares148.33K
TypeSH
Market value$12.56M
2.15%
Sole
148.33K
Shared
0.00
None
0.00
VANGUARD BD INDEX FDS
SOLEShares149.54K
TypeSH
Market value$11.73M
2.01%
Sole
149.54K
Shared
0.00
None
0.00
VERISK ANALYTICS INC
SOLEShares60.55K
TypeSH
Market value$11.49M
1.97%
Sole
60.55K
Shared
0.00
None
0.00
NORDSON CORP
SOLEShares39.07K
TypeSH
Market value$10.40M
1.78%
Sole
39.07K
Shared
0.00
None
0.00
COSTCO WHOLESALE CORPORATION
SOLEShares9.96K
TypeSH
Market value$9.93M
1.70%
Sole
9.96K
Shared
0.00
None
0.00
RBC BEARINGS INC
SOLEShares17.90K
TypeSH
Market value$9.72M
1.67%
Sole
17.90K
Shared
0.00
None
0.00
NVENT ELEC PLC
SOLEShares81.80K
TypeSH
Market value$9.67M
1.66%
Sole
81.80K
Shared
0.00
None
0.00
COMFORT SYS USA INC
SOLEShares6.56K
TypeSH
Market value$9.04M
1.55%
Sole
6.56K
Shared
0.00
None
0.00
FASTENAL CO
SOLEShares190.85K
TypeSH
Market value$8.86M
1.52%
Sole
190.85K
Shared
0.00
None
0.00
LANDSTAR SYS INC
SOLEShares55.17K
TypeSH
Market value$8.84M
1.52%
Sole
55.17K
Shared
0.00
None
0.00
ECOLAB INC
SOLEShares32.98K
TypeSH
Market value$8.77M
1.50%
Sole
32.98K
Shared
0.00
None
0.00
RPM INTL INC
SOLEShares88.06K
TypeSH
Market value$8.75M
1.50%
Sole
88.06K
Shared
0.00
None
0.00
CHURCH & DWIGHT CO INC
SOLEShares80.53K
TypeSH
Market value$7.51M
1.29%
Sole
80.53K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMPHENOL CORPSOLE | CL A | 371.89K | SH | $46.99M 8.05% | 371.89K | 0.00 | 0.00 |
AMETEK INCSOLE | COM | 180.30K | SH | $38.65M 6.62% | 180.30K | 0.00 | 0.00 |
DANAHER CORP DELSOLE | COM | 126.21K | SH | $23.93M 4.10% | 126.21K | 0.00 | 0.00 |
IDEX CORPSOLE | COM | 118K | SH | $22.37M 3.83% | 118K | 0.00 | 0.00 |
VERTIV HOLDINGS COSOLE | COM CL A | 82.44K | SH | $20.66M 3.54% | 82.44K | 0.00 | 0.00 |
THERMO FISHER SCIENTIFIC INCSOLE | COM | 38.51K | SH | $18.93M 3.24% | 38.51K | 0.00 | 0.00 |
APTARGROUP INCSOLE | COM | 131.28K | SH | $16.54M 2.83% | 131.28K | 0.00 | 0.00 |
XYLEM INCSOLE | COM | 137.93K | SH | $16.48M 2.82% | 137.93K | 0.00 | 0.00 |
GALLAGHER ARTHUR J & COSOLE | COM | 75.49K | SH | $16.35M 2.80% | 75.49K | 0.00 | 0.00 |
DONALDSON INCSOLE | COM | 181.18K | SH | $15.38M 2.63% | 181.18K | 0.00 | 0.00 |
ROPER TECHNOLOGIES INCSOLE | COM | 41.95K | SH | $14.84M 2.54% | 41.95K | 0.00 | 0.00 |
FISERV INCSOLE | COM | 248.10K | SH | $13.84M 2.37% | 248.10K | 0.00 | 0.00 |
GRACO INCSOLE | COM | 148.33K | SH | $12.56M 2.15% | 148.33K | 0.00 | 0.00 |
VANGUARD BD INDEX FDSSOLE | SHORT TRM BOND | 149.54K | SH | $11.73M 2.01% | 149.54K | 0.00 | 0.00 |
VERISK ANALYTICS INCSOLE | COM | 60.55K | SH | $11.49M 1.97% | 60.55K | 0.00 | 0.00 |
NORDSON CORPSOLE | COM | 39.07K | SH | $10.40M 1.78% | 39.07K | 0.00 | 0.00 |
COSTCO WHOLESALE CORPORATIONSOLE | COM | 9.96K | SH | $9.93M 1.70% | 9.96K | 0.00 | 0.00 |
RBC BEARINGS INCSOLE | COM | 17.90K | SH | $9.72M 1.67% | 17.90K | 0.00 | 0.00 |
NVENT ELEC PLCSOLE | SHS | 81.80K | SH | $9.67M 1.66% | 81.80K | 0.00 | 0.00 |
COMFORT SYS USA INCSOLE | COM | 6.56K | SH | $9.04M 1.55% | 6.56K | 0.00 | 0.00 |
FASTENAL COSOLE | COM | 190.85K | SH | $8.86M 1.52% | 190.85K | 0.00 | 0.00 |
LANDSTAR SYS INCSOLE | COM | 55.17K | SH | $8.84M 1.52% | 55.17K | 0.00 | 0.00 |
ECOLAB INCSOLE | COM | 32.98K | SH | $8.77M 1.50% | 32.98K | 0.00 | 0.00 |
RPM INTL INCSOLE | COM | 88.06K | SH | $8.75M 1.50% | 88.06K | 0.00 | 0.00 |
CHURCH & DWIGHT CO INCSOLE | COM | 80.53K | SH | $7.51M 1.29% | 80.53K | 0.00 | 0.00 |
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