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
2026
Q1 		$98.1K Buy
12,480
+6,660
+114% +$43.3K ﹤0.01% 12037
2025
Q4 		$29.1K Buy
+5,820
New +$32.6K ﹤0.01% 12232
2025
Q3 		– Sell
-5,480
Closed -$40.6K – 13810
2025
Q2 		$40.6K Sell
5,480
-9,570
-64% -$81.8K ﹤0.01% 11873
2025
Q1 		$151K Buy
15,050
+10,180
+209% +$112K ﹤0.01% 10869
2024
Q4 		$52.6K Sell
4,870
-520
-10% -$4.78K ﹤0.01% 12347
2024
Q3 		$48.9K Buy
5,390
+3,890
+259% +$36.8K ﹤0.01% 11943
2024
Q2 		$15K Buy
1,500
+290
+24% +$3.53K ﹤0.01% 12852
2024
Q1 		$19.6K Sell
1,210
-790
-40% -$19.8K ﹤0.01% 13026
2023
Q4 		$63.2K Sell
2,000
-1,740
-47% -$58.8K ﹤0.01% 11526
2023
Q3 		$154K Sell
3,740
-380
-9% -$16.8K ﹤0.01% 10310
2023
Q2 		$175K Buy
4,120
+790
+24% +$35.3K ﹤0.01% 10089
2023
Q1 		$178K Sell
3,330
-2,350
-41% -$149K ﹤0.01% 10375
2022
Q4 		$356K Buy
5,680
+1,200
+27% +$62.8K ﹤0.01% 8955
2022
Q3 		$232K Sell
4,480
-1,980
-31% -$144K ﹤0.01% 10103
2022
Q2 		$448K Sell
6,460
-340
-5% -$24.8K ﹤0.01% 8892
2022
Q1 		$456K Sell
6,800
-1,270
-16% -$109K ﹤0.01% 9611
2021
Q4 		$904K Sell
8,070
-8,440
-51% -$1.16M ﹤0.01% 8205
2021
Q3 		$2.58M Sell
16,510
-780
-5% -$136K ﹤0.01% 5732
2021
Q2 		$3.52M Buy
17,290
+3,490
+25% +$584K ﹤0.01% 5235
2021
Q1 		$1.97M Sell
13,800
-2,960
-18% -$478K ﹤0.01% 6418
2020
Q4 		$2.08M Buy
16,760
+13,300
+384% +$1.72M ﹤0.01% 5287
2020
Q3 		$374K Buy
+3,460
New +$423K ﹤0.01% 7768

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.