Citadel Advisors
WPRT

Citadel Advisors’s Westport Fuel Systems WPRT Stock Holding History

Citadel Advisors’s Portfolio WPRT Stock Details WPRT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-106,300
Closed -$167K – 14371
2025
Q4 		$167K Buy
+106,300
New +$199K ﹤0.01% 11199
2025
Q3 		– Sell
-26,400
Closed -$82.1K – 14277
2025
Q2 		$82.1K Buy
26,400
+600
+2% +$1.74K ﹤0.01% 11480
2025
Q1 		$95.7K Buy
25,800
+21,500
+500% +$88.2K ﹤0.01% 11541
2024
Q4 		$15.4K Sell
4,300
-12,200
-74% -$51.2K ﹤0.01% 13354
2024
Q3 		$75.7K Buy
16,500
+10,700
+184% +$59.9K ﹤0.01% 11469
2024
Q2 		$32.3K Buy
5,800
+1,700
+41% +$10K ﹤0.01% 12182
2024
Q1 		$27.6K Buy
4,100
+1,770
+76% +$10.7K ﹤0.01% 12765
2023
Q4 		$15.4K Sell
2,330
-2,400
-51% -$15.2K ﹤0.01% 12841
2023
Q3 		$28.6K Buy
4,730
+180
+4% +$1.47K ﹤0.01% 12313
2023
Q2 		$35K Buy
4,550
+3,770
+483% +$29.1K ﹤0.01% 12194
2023
Q1 		$7.43K Buy
780
+300
+63% +$3.07K ﹤0.01% 13723
2022
Q4 		$3.72K Sell
480
-2,150
-82% -$18.4K ﹤0.01% 14181
2022
Q3 		$23K Buy
2,630
+140
+6% +$1.55K ﹤0.01% 12025
2022
Q2 		$25K Buy
2,490
+600
+32% +$7.43K ﹤0.01% 12313
2022
Q1 		$30K Buy
+1,890
New +$33.8K ﹤0.01% 13108
2021
Q4 		– Sell
-5,680
Closed -$187K – 14870
2021
Q3 		$187K Sell
5,680
-11,500
-67% -$463K ﹤0.01% 12082
2021
Q2 		$912K Sell
17,180
-6,810
-28% -$411K ﹤0.01% 8599
2021
Q1 		$1.73M Buy
23,990
+9,090
+61% +$769K ﹤0.01% 6760
2020
Q4 		$794K Buy
14,900
+12,310
+475% +$387K ﹤0.01% 7274
2020
Q3 		$42K Buy
+2,590
New +$42.7K ﹤0.01% 9663
2020
Q2 		– Sell
-1,060
Closed -$10K – 10596
2020
Q1 		$10K Sell
1,060
-2,770
-72% -$57K ﹤0.01% 9425
2019
Q4 		$91K Buy
3,830
+1,810
+90% +$46.4K ﹤0.01% 8579
2019
Q3 		$55K Buy
2,020
+450
+29% +$12.8K ﹤0.01% 8677
2019
Q2 		$43K Sell
1,570
-2,370
-60% -$52.6K ﹤0.01% 8773
2019
Q1 		$61K Buy
3,940
+40
+1% +$586 ﹤0.01% 8748
2018
Q4 		$52K Buy
3,900
+820
+27% +$18.5K ﹤0.01% 8480
2018
Q3 		$92K Buy
+3,080
New +$87.3K ﹤0.01% 8604
2018
Q2 		– Sell
-1,160
Closed -$25K – 9351
2018
Q1 		$25K Sell
1,160
-3,670
-76% -$111K ﹤0.01% 8091
2017
Q4 		$182K Buy
4,830
+710
+17% +$23.1K ﹤0.01% 7179
2017
Q3 		$135K Buy
4,120
+1,890
+85% +$42.5K ﹤0.01% 6924
2017
Q2 		$52K Buy
2,230
+350
+19% +$5.46K ﹤0.01% 7083
2017
Q1 		$18K Sell
1,880
-5,390
-74% -$59K ﹤0.01% 7275
2016
Q4 		$82K Sell
7,270
-170
-2% -$2.37K ﹤0.01% 6746
2016
Q3 		$120K Buy
7,440
+2,010
+37% +$29.3K ﹤0.01% 6577
2016
Q2 		$91K Sell
5,430
-1,850
-25% -$39.8K ﹤0.01% 6236
2016
Q1 		$190K Sell
7,280
-5,300
-42% -$112K ﹤0.01% 5676
2015
Q4 		$253K Sell
12,580
-720
-5% -$19.9K ﹤0.01% 5475
2015
Q3 		$331K Sell
13,300
-1,290
-9% -$48K ﹤0.01% 5420
2015
Q2 		$692K Sell
14,590
-3,000
-17% -$151K ﹤0.01% 4485
2015
Q1 		$693K Buy
17,590
+6,260
+55% +$277K ﹤0.01% 4444
2014
Q4 		$424K Sell
11,330
-2,050
-15% -$108K ﹤0.01% 4954
2014
Q3 		$1.41M Sell
13,380
-1,100
-8% -$165K ﹤0.01% 3273
2014
Q2 		$2.61M Buy
14,480
+7,060
+95% +$1.05M ﹤0.01% 2477
2014
Q1 		$1.07M Sell
7,420
-3,010
-29% -$519K ﹤0.01% 3329
2013
Q4 		$2.04M Buy
10,430
+2,820
+37% +$625K ﹤0.01% 2532
2013
Q3 		$1.84M Sell
7,610
-5,020
-40% -$1.47M ﹤0.01% 2482
2013
Q2 		$4.24M Buy
+12,630
New +$3.7M 0.01% 1726

Other funds holding WPRT

GWI
Grace & White Inc Ny, New York $632M AUM 34.34% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
US Bancorp
US Bancorp Minneapolis, Minnesota $82.4B AUM 19.69% 1-Year Est. Return
Baird Financial Group
Baird Financial Group Milwaukee, Wisconsin $64B AUM 22.64% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
CC
Centiva Capital New York $13.6B AUM 20% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $43.3B AUM 29.3% 1-Year Est. Return

Citadel Advisors's WPRT Position: Q1 2026 in Review

Citadel Advisors increased its Westport Fuel Systems (WPRT) stake by 450% in Q1 2026, buying an estimated $254K and bringing the position to 154,905 shares worth $282K. The position accounts for ﹤0.01% of the portfolio, ranked #10604.

Citadel Advisors first reported a position in WPRT in Q2 2013 and has held it in 47 quarters since. The position peaked at $4.4M in Q1 2021. 42 funds tracked by Wall St. Rank hold WPRT as of Q1 2026.

  • Citadel Advisors held 154,905 shares of Westport Fuel Systems worth $282K as of Q1 2026.
  • Citadel Advisors bought 126,719 Westport Fuel Systems shares in Q1 2026, an estimated $254K.
  • Westport Fuel Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #10604 holding.
  • Citadel Advisors first reported a position in Westport Fuel Systems in Q2 2013 and has held it in 47 quarters since.
  • Citadel Advisors's Westport Fuel Systems position peaked at $4.4M in Q1 2021.
  • 42 funds tracked by Wall St. Rank held Westport Fuel Systems as of Q1 2026.

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