Jim Simons’s Dorman Products DORM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.4M Sell
42,200
-49,700
-54% -$5.92M 0.01% 1450
2025
Q4
$11.3M Buy
91,900
+4,500
+5% +$607K 0.02% 855
2025
Q3
$13.6M Sell
87,400
-18,700
-18% -$2.68M 0.02% 920
2025
Q2
$13M Buy
106,100
+21,900
+26% +$2.66M 0.02% 912
2025
Q1
$10.1M Buy
84,200
+55,100
+189% +$7.03M 0.02% 998
2024
Q4
$3.77M Buy
29,100
+400
+1% +$51.2K 0.01% 1627
2024
Q3
$3.25M Buy
28,700
+3,500
+14% +$368K ﹤0.01% 1721
2024
Q2
$2.31M Buy
25,200
+5,000
+25% +$458K ﹤0.01% 1798
2024
Q1
$1.95M Buy
+20,200
New +$1.74M ﹤0.01% 2048
2023
Q4
Sell
-15,800
Closed -$1.2M 3811
2023
Q3
$1.2M Sell
15,800
-7,800
-33% -$634K ﹤0.01% 2180
2023
Q2
$1.86M Sell
23,600
-14,300
-38% -$1.2M ﹤0.01% 2048
2023
Q1
$3.27M Sell
37,900
-19,100
-34% -$1.7M ﹤0.01% 1727
2022
Q4
$4.61M Sell
57,000
-83,800
-60% -$7.12M 0.01% 1565
2022
Q3
$11.6M Buy
140,800
+55,400
+65% +$5.46M 0.02% 951
2022
Q2
$9.37M Buy
85,400
+60,200
+239% +$5.96M 0.01% 1146
2022
Q1
$2.4M Buy
25,200
+21,820
+646% +$2.12M ﹤0.01% 2097
2021
Q4
$382K Sell
3,380
-9,320
-73% -$1.01M ﹤0.01% 3222
2021
Q3
$1.2M Sell
12,700
-16,800
-57% -$1.66M ﹤0.01% 2450
2021
Q2
$3.06M Sell
29,500
-26,800
-48% -$2.75M ﹤0.01% 1952
2021
Q1
$5.78M Buy
56,300
+21,200
+60% +$2.11M 0.01% 1561
2020
Q4
$3.05M Buy
35,100
+29,300
+505% +$2.72M ﹤0.01% 1883
2020
Q3
$524K Buy
+5,800
New +$463K ﹤0.01% 2800
2018
Q1
Sell
-75,100
Closed -$4.59M 3402
2017
Q4
$4.59M Buy
+75,100
New +$5.09M 0.01% 1869
2014
Q4
Sell
-226,600
Closed -$9.08M 2995
2014
Q3
$9.08M Buy
226,600
+20,200
+10% +$902K 0.02% 819
2014
Q2
$10.2M Buy
206,400
+171,373
+489% +$9.35M 0.02% 830
2014
Q1
$2.07M Sell
35,027
-28,873
-45% -$1.58M 0.01% 1751
2013
Q4
$3.58M Buy
63,900
+33,800
+112% +$1.7M 0.01% 1400
2013
Q3
$1.49M Buy
+30,100
New +$1.48M ﹤0.01% 1811

Other funds holding DORM

Jim Simons's DORM Position: Q1 2026 in Review

Jim Simons reduced its Dorman Products (DORM) stake by 54% in Q1 2026, selling an estimated $5.92M and leaving 42,200 shares worth $4.4M. The position accounts for 0.01% of the portfolio, ranked #1450.

Jim Simons first reported a position in DORM in Q3 2013 and has held it in 28 quarters since. The position peaked at $13.6M in Q3 2025. 318 funds tracked by Wall St. Rank hold DORM as of Q1 2026.

  • Jim Simons held 42,200 shares of Dorman Products worth $4.4M as of Q1 2026.
  • Jim Simons sold 49,700 Dorman Products shares in Q1 2026, an estimated $5.92M.
  • Dorman Products made up 0.01% of Jim Simons's portfolio in Q1 2026, its #1450 holding.
  • Jim Simons first reported a position in Dorman Products in Q3 2013 and has held it in 28 quarters since.
  • Jim Simons's Dorman Products position peaked at $13.6M in Q3 2025.
  • 318 funds tracked by Wall St. Rank held Dorman Products as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.