Comfort Systems USA, Inc.
MX ˙ BMV ˙ US1999081045
SecurityMX:FIX / Comfort Systems USA, Inc.
InstitutionPeterson Wealth Services
Latest Disclosed Ownership16,370 shares
Latest Disclosed Value $ 22,573,495
Peterson Wealth Services reports 0.47% decrease in ownership of FIX / Comfort Systems USA, Inc.

On April 30, 2026 - Peterson Wealth Services filed a 13F-HR form disclosing ownership of 16,370 shares of Comfort Systems USA, Inc. (MX:FIX) valued at $22,573,495 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 16,447 shares of Comfort Systems USA, Inc.. This represents a change in shares of -0.47% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-30 2026-03-31 13F COMFORT SYSTEMS USA COM 199908104 16,370 -77 -0.47 22,573 47.06 5.5775
2026-02-12 2025-12-31 13F COMFORT SYSTEMS USA COM 199908104 16,447 -43,884 -72.74 15,350 -0.59 3.9250
2025-11-04 2025-09-30 13F COMFORT SYSTEMS USA COM 199908104 60,331 41,129 214.19 15,441 49.96 3.8103
2025-07-31 2025-06-30 13F COMFORT SYSTEMS USA COM 199908104 19,202 93 0.49 10,296 67.17 2.8207
2025-05-05 2025-03-31 13F COMFORT SYSTEMS USA COM 199908104 19,109 52 0.27 6,159 -23.78 1.9081
2025-01-29 2024-12-31 13F COMFORT SYSTEMS USA COM 199908104 19,057 -260 -1.35 8,081 7.18 2.4263
2024-11-07 2024-09-30 13F COMFORT SYSTEMS USA COM 199908104 19,317 5,528 40.09 7,540 79.82 2.4084
2024-07-30 2024-06-30 13F COMFORT SYS USA COM 199908104 13,789 -149 -1.07 4,194 -5.31 1.4657
2024-05-01 2024-03-31 13F COMFORT SYS USA COM 199908104 13,938 -2,176 -13.50 4,428 33.61 1.6127
2024-01-31 2023-12-31 13F COMFORT SYS USA COM 199908104 16,114 -160 -0.98 3,315 19.38 1.4211
2023-11-14 2023-09-30 13F COMFORT SYS USA COM 199908104 16,274 315 1.97 2,777 5.91 2.0776
2023-07-13 2023-06-30 13F COMFORT SYS USA COM 199908104 15,959 220 1.40 2,622 14.20 1.2588
2023-04-06 2023-03-31 13F COMFORT SYS USA COM 199908104 15,739 -6,214 -28.31 2,295 -9.14 1.1812
2023-01-20 2022-12-31 13F COMFORT SYS USA COM 199908104 21,953 34 0.16 2,526 18.42 1.4470
2022-11-09 2022-09-30 13F COMFORT SYS USA COM 199908104 21,919 257 1.19 2,133 18.43 1.5122
2022-07-11 2022-06-30 13F COMFORT SYS USA COM 199908104 21,662 688 3.28 1,801 -3.54 1.2981
2022-04-18 2022-03-31 13F COMFORT SYS USA COM 199908104 20,974 1,357 6.92 1,867 -3.81 1.1478
2022-01-31 2021-12-31 13F COMFORT SYS USA COM 199908104 19,617 19,617 1,941 1.2873
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.