Citadel Advisors
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Citadel Advisors’s CarParts.com PRTS Stock Holding History

Citadel Advisors’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
2025
Q2 		– Sell
-1,180
Closed -$11.8K – 14546
2025
Q1 		$11.8K Sell
1,180
-210
-15% -$2.3K ﹤0.01% 13474
2024
Q4 		$15K Sell
1,390
-1,250
-47% -$11.5K ﹤0.01% 13377
2024
Q3 		$23.9K Buy
2,640
+1,990
+306% +$18.8K ﹤0.01% 12638
2024
Q2 		$6.5K Sell
650
-140
-18% -$1.7K ﹤0.01% 13325
2024
Q1 		$12.8K Buy
790
+550
+229% +$13.8K ﹤0.01% 13341
2023
Q4 		$7.58K Sell
240
-1,420
-86% -$48K ﹤0.01% 13280
2023
Q3 		$68.4K Buy
1,660
+980
+144% +$43.4K ﹤0.01% 11349
2023
Q2 		$28.9K Buy
680
+240
+55% +$10.7K ﹤0.01% 12393
2023
Q1 		$23.5K Sell
440
-1,920
-81% -$122K ﹤0.01% 12939
2022
Q4 		$148K Sell
2,360
-1,090
-32% -$57.1K ﹤0.01% 10630
2022
Q3 		$178K Buy
3,450
+1,320
+62% +$96K ﹤0.01% 10521
2022
Q2 		$148K Buy
2,130
+500
+31% +$36.5K ﹤0.01% 10996
2022
Q1 		$109K Sell
1,630
-900
-36% -$77.5K ﹤0.01% 12201
2021
Q4 		$283K Sell
2,530
-2,340
-48% -$322K ﹤0.01% 11050
2021
Q3 		$760K Sell
4,870
-550
-10% -$95.6K ﹤0.01% 8848
2021
Q2 		$1.1M Sell
5,420
-7,590
-58% -$1.27M ﹤0.01% 8110
2021
Q1 		$1.86M Sell
13,010
-23,690
-65% -$3.83M ﹤0.01% 6559
2020
Q4 		$4.55M Buy
36,700
+32,370
+748% +$4.18M ﹤0.01% 3852
2020
Q3 		$468K Buy
4,330
+2,000
+86% +$245K ﹤0.01% 7412
2020
Q2 		$202K Buy
+2,330
New +$124K ﹤0.01% 8514

Other funds holding PRTS

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.65B AUM 20.56% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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 $2.9T AUM 29.55% 1-Year Est. Return
KA
Kerrisdale Advisers Miami, Florida $263M AUM 40.01% 1-Year Est. Return

Citadel Advisors's PRTS Position: Q1 2026 in Review

Citadel Advisors opened a new position in CarParts.com (PRTS) in Q1 2026: 46,780 shares worth $368K. The stake represents ﹤0.01% of the portfolio and ranks #10007 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in PRTS as recently as Q3 2025.

Citadel Advisors first reported a position in PRTS in Q2 2013 and has held it in 25 quarters since. The position peaked at $8.34M in Q2 2021. 44 funds tracked by Wall St. Rank hold PRTS as of Q1 2026.

  • Citadel Advisors held 46,780 shares of CarParts.com worth $368K as of Q1 2026.
  • CarParts.com was a new Citadel Advisors position in Q1 2026.
  • CarParts.com made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #10007 holding.
  • Citadel Advisors first reported a position in CarParts.com in Q2 2013 and has held it in 25 quarters since.
  • Citadel Advisors's CarParts.com position peaked at $8.34M in Q2 2021.
  • 44 funds tracked by Wall St. Rank held CarParts.com as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.