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PDT Partners’s Comfort Systems FIX Stock Holding History

PDT Partners’s Portfolio FIX Stock Details FIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-3,818
Closed -$5.26M – 543
2026
Q1 		$5.26M Sell
3,818
-1,700
-31% -$2.16M 0.31% 104
2025
Q4 		$5.15M Hold
5,518
– – 0.33% 95
2025
Q3 		$4.55M Sell
5,518
-4,607
-46% -$3.12M 0.29% 126
2025
Q2 		$5.43M Buy
10,125
+991
+11% +$432K 0.31% 89
2025
Q1 		$2.94M Buy
9,134
+3,700
+68% +$1.49M 0.21% 169
2024
Q4 		$2.3M Sell
5,434
-2
-0% -$878 0.2% 173
2024
Q3 		$2.12M Sell
5,436
-1,798
-25% -$592K 0.19% 194
2024
Q2 		$2.2M Buy
7,234
+6,232
+622% +$1.98M 0.21% 182
2024
Q1 		$318K Buy
+1,002
New +$256K 0.03% 524
2021
Q4 		– Sell
-5,500
Closed -$392K – 915
2021
Q3 		$392K Sell
5,500
-1,100
-17% -$81.9K 0.03% 529
2021
Q2 		$520K Sell
6,600
-24,700
-79% -$2.01M 0.03% 505
2021
Q1 		$2.34M Sell
31,300
-725
-2% -$46.3K 0.17% 242
2020
Q4 		$1.69M Buy
+32,025
New +$1.66M 0.11% 264
2020
Q1 		– Sell
-4,142
Closed -$206K – 720
2019
Q4 		$206K Buy
+4,142
New +$201K 0.01% 643
2015
Q4 		– Sell
-64,934
Closed -$1.77M – 588
2015
Q3 		$1.77M Buy
64,934
+734
+1% +$19.7K 0.04% 503
2015
Q2 		$1.47M Buy
64,200
+45,040
+235% +$990K 0.04% 584
2015
Q1 		$403K Buy
+19,160
New +$341K 0.01% 1087
2014
Q2 		– Sell
-14,377
Closed -$219K – 1472
2014
Q1 		$219K Sell
14,377
-32,740
-69% -$559K 0.01% 1212
2013
Q4 		$914K Sell
47,117
-19,655
-29% -$372K 0.11% 258
2013
Q3 		$1.12M Buy
66,772
+18,719
+39% +$300K 0.03% 725
2013
Q2 		$717K Buy
+48,053
New +$654K 0.02% 933

Other funds holding FIX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

PDT Partners's FIX Position: Q2 2026 in Review

PDT Partners sold out of Comfort Systems (FIX) in Q2 2026, closing a stake of 3,818 shares — an estimated $5.26M sold.

PDT Partners first reported a position in FIX in Q2 2013 and held it in 21 quarters. The position peaked at $5.43M in Q2 2025. 1,352 funds tracked by Wall St. Rank hold FIX as of Q2 2026.

  • PDT Partners reported no remaining Comfort Systems position as of Q2 2026 after selling out during the quarter.
  • PDT Partners sold 3,818 Comfort Systems shares in Q2 2026, an estimated $5.26M.
  • PDT Partners first reported a position in Comfort Systems in Q2 2013 and held it in 21 quarters.
  • PDT Partners's Comfort Systems position peaked at $5.43M in Q2 2025.
  • 1,352 funds tracked by Wall St. Rank held Comfort Systems as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.