Jim Simons
PRTS icon

Jim Simons’s CarParts.com PRTS Stock Holding History

Jim Simons’s Portfolio PRTS Stock Details PRTS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.05M Sell
133,630
-1,640
-1% -$10.7K ﹤0.01% 2249
2025
Q4 		$676K Buy
135,270
+3,590
+3% +$20.1K ﹤0.01% 2458
2025
Q3 		$936K Buy
131,680
+12,480
+10% +$102K ﹤0.01% 2516
2025
Q2 		$882K Buy
119,200
+8,130
+7% +$69.5K ﹤0.01% 2576
2025
Q1 		$1.11M Buy
111,070
+5,980
+6% +$65.5K ﹤0.01% 2355
2024
Q4 		$1.13M Sell
105,090
-54,040
-34% -$496K ﹤0.01% 2428
2024
Q3 		$1.44M Buy
159,130
+39,280
+33% +$371K ﹤0.01% 2230
2024
Q2 		$1.2M Buy
119,850
+23,250
+24% +$283K ﹤0.01% 2216
2024
Q1 		$1.56M Buy
96,600
+8,940
+10% +$224K ﹤0.01% 2188
2023
Q4 		$2.77M Buy
87,660
+20,650
+31% +$698K ﹤0.01% 1741
2023
Q3 		$2.76M Buy
67,010
+22,929
+52% +$1.02M ﹤0.01% 1671
2023
Q2 		$1.87M Buy
44,081
+8,887
+25% +$397K ﹤0.01% 2042
2023
Q1 		$1.88M Sell
35,194
-4,847
-12% -$307K ﹤0.01% 2066
2022
Q4 		$2.51M Sell
40,041
-25,389
-39% -$1.33M ﹤0.01% 1933
2022
Q3 		$3.38M Sell
65,430
-14,930
-19% -$1.09M ﹤0.01% 1688
2022
Q2 		$5.58M Sell
80,360
-7,110
-8% -$519K 0.01% 1476
2022
Q1 		$5.86M Buy
87,470
+63,910
+271% +$5.5M 0.01% 1474
2021
Q4 		$2.64M Buy
23,560
+11,270
+92% +$1.55M ﹤0.01% 1938
2021
Q3 		$1.92M Buy
+12,290
New +$2.14M ﹤0.01% 2123
2021
Q2 		– Sell
-40,360
Closed -$5.76M – 3714
2021
Q1 		$5.76M Sell
40,360
-171,203
-81% -$27.7M 0.01% 1565
2020
Q4 		$26.2M Sell
211,563
-139,813
-40% -$18M 0.03% 620
2020
Q3 		$38M Buy
351,376
+65,790
+23% +$8.05M 0.04% 464
2020
Q2 		$24.7M Buy
285,586
+116,430
+69% +$6.2M 0.02% 706
2020
Q1 		$2.96M Buy
169,156
+12,012
+8% +$290K ﹤0.01% 1848
2019
Q4 		$3.46M Buy
157,144
+10,343
+7% +$201K ﹤0.01% 2066
2019
Q3 		$2.27M Buy
146,801
+21,344
+17% +$285K ﹤0.01% 2216
2019
Q2 		$1.57M Buy
125,457
+7,690
+7% +$81.7K ﹤0.01% 2463
2019
Q1 		$1.19M Buy
117,767
+3,560
+3% +$37.6K ﹤0.01% 2594
2018
Q4 		$1.04M Buy
114,207
+4,597
+4% +$57.6K ﹤0.01% 2553
2018
Q3 		$1.7M Buy
109,610
+1,720
+2% +$25.1K ﹤0.01% 2353
2018
Q2 		$1.62M Sell
107,890
-6,680
-6% -$117K ﹤0.01% 2382
2018
Q1 		$2.35M Sell
114,570
-3,980
-3% -$91.2K ﹤0.01% 2246
2017
Q4 		$2.99M Sell
118,550
-1,680
-1% -$41.8K ﹤0.01% 2115
2017
Q3 		$3.48M Buy
120,230
+6,640
+6% +$190K ﹤0.01% 1979
2017
Q2 		$3.67M Buy
113,590
+17,970
+19% +$606K ﹤0.01% 1909
2017
Q1 		$3.2M Sell
95,620
-1,844
-2% -$62.2K ﹤0.01% 1979
2016
Q4 		$3.43M Sell
97,464
-3,176
-3% -$98.1K 0.01% 1909
2016
Q3 		$3.31M Buy
100,640
+15,000
+18% +$571K 0.01% 1883
2016
Q2 		$3.38M Buy
85,640
+19,690
+30% +$682K 0.01% 1868
2016
Q1 		$1.69M Buy
65,950
+3,860
+6% +$107K ﹤0.01% 2319
2015
Q4 		$1.83M Buy
62,090
+2,770
+5% +$65.6K ﹤0.01% 2170
2015
Q3 		$1.11M Buy
59,320
+3,220
+6% +$71.1K ﹤0.01% 2329
2015
Q2 		$1.23M Buy
56,100
+700
+1% +$15K ﹤0.01% 2337
2015
Q1 		$1.2M Buy
55,400
+830
+2% +$20.4K ﹤0.01% 2209
2014
Q4 		$1.28M Buy
54,570
+4,030
+8% +$108K ﹤0.01% 2006
2014
Q3 		$1.43M Buy
50,540
+7,130
+16% +$221K ﹤0.01% 1844
2014
Q2 		$1.57M Buy
43,410
+8,800
+25% +$289K ﹤0.01% 1856
2014
Q1 		$1.06M Buy
34,610
+2,410
+7% +$59.6K ﹤0.01% 2053
2013
Q4 		$799K Buy
32,200
+510
+2% +$11.2K ﹤0.01% 2183
2013
Q3 		$418K Buy
31,690
+6,230
+24% +$65.2K ﹤0.01% 2363
2013
Q2 		$293K Buy
+25,460
New +$309K ﹤0.01% 2411

Other funds holding PRTS

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.84B AUM 28.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
KA
Kerrisdale Advisers Miami, Florida $263M AUM 40.01% 1-Year Est. Return

Jim Simons's PRTS Position: Q1 2026 in Review

Jim Simons reduced its CarParts.com (PRTS) stake by 1.2% in Q1 2026, selling an estimated $10.7K and leaving 133,630 shares worth $1.05M. The position accounts for ﹤0.01% of the portfolio, ranked #2249.

Jim Simons first reported a position in PRTS in Q2 2013 and has held it in 51 quarters since. The position peaked at $38M in Q3 2020. 44 funds tracked by Wall St. Rank hold PRTS as of Q1 2026.

  • Jim Simons held 133,630 shares of CarParts.com worth $1.05M as of Q1 2026.
  • Jim Simons sold 1,640 CarParts.com shares in Q1 2026, an estimated $10.7K.
  • CarParts.com made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2249 holding.
  • Jim Simons first reported a position in CarParts.com in Q2 2013 and has held it in 51 quarters since.
  • Jim Simons's CarParts.com position peaked at $38M in Q3 2020.
  • 44 funds tracked by Wall St. Rank held CarParts.com as of Q1 2026.

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