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 		$91.5K Buy
50,300
+34,600
+220% +$69.3K ﹤0.01% 12093
2025
Q4 		$24.6K Sell
15,700
-1,600
-9% -$2.99K ﹤0.01% 12282
2025
Q3 		$39.3K Buy
+17,300
New +$53.4K ﹤0.01% 12303
2025
Q2 		– Sell
-100
Closed -$371 – 15363
2025
Q1 		$371 Sell
100
-100
-50% -$410 ﹤0.01% 14275
2024
Q4 		$716 Sell
200
-2,000
-91% -$8.39K ﹤0.01% 14282
2024
Q3 		$10.1K Buy
2,200
+1,400
+175% +$7.83K ﹤0.01% 13226
2024
Q2 		$4.46K Sell
800
-5,600
-88% -$33K ﹤0.01% 13482
2024
Q1 		$43.1K Sell
6,400
-7,750
-55% -$47K ﹤0.01% 12319
2023
Q4 		$93.7K Buy
14,150
+8,410
+147% +$53.2K ﹤0.01% 11014
2023
Q3 		$34.7K Sell
5,740
-5,280
-48% -$43.1K ﹤0.01% 12160
2023
Q2 		$84.9K Buy
11,020
+6,650
+152% +$51.4K ﹤0.01% 11172
2023
Q1 		$41.6K Sell
4,370
-650
-13% -$6.66K ﹤0.01% 12390
2022
Q4 		$38.9K Sell
5,020
-1,140
-19% -$9.77K ﹤0.01% 12451
2022
Q3 		$54K Buy
6,160
+240
+4% +$2.66K ﹤0.01% 11574
2022
Q2 		$60K Sell
5,920
-4,410
-43% -$54.6K ﹤0.01% 11814
2022
Q1 		$163K Sell
10,330
-800
-7% -$14.3K ﹤0.01% 11765
2021
Q4 		$264K Sell
11,130
-6,180
-36% -$177K ﹤0.01% 11218
2021
Q3 		$570K Buy
17,310
+230
+1% +$9.26K ﹤0.01% 9558
2021
Q2 		$907K Buy
17,080
+5,200
+44% +$314K ﹤0.01% 8610
2021
Q1 		$854K Buy
11,880
+5,370
+82% +$454K ﹤0.01% 8496
2020
Q4 		$347K Sell
6,510
-80
-1% -$2.52K ﹤0.01% 8813
2020
Q3 		$107K Sell
6,590
-1,240
-16% -$20.5K ﹤0.01% 9235
2020
Q2 		$97K Buy
7,830
+6,010
+330% +$67.2K ﹤0.01% 9013
2020
Q1 		$17K Buy
1,820
+440
+32% +$9.05K ﹤0.01% 9336
2019
Q4 		$33K Sell
1,380
-620
-31% -$15.9K ﹤0.01% 8844
2019
Q3 		$54K Sell
2,000
-100
-5% -$2.84K ﹤0.01% 8680
2019
Q2 		$57K Sell
2,100
-2,600
-55% -$57.8K ﹤0.01% 8691
2019
Q1 		$73K Sell
4,700
-1,700
-27% -$24.9K ﹤0.01% 8668
2018
Q4 		$85K Buy
6,400
+2,950
+86% +$66.7K ﹤0.01% 8314
2018
Q3 		$104K Sell
3,450
-1,050
-23% -$29.8K ﹤0.01% 8562
2018
Q2 		$114K Sell
4,500
-780
-15% -$19.7K ﹤0.01% 8185
2018
Q1 		$116K Sell
5,280
-2,090
-28% -$63.1K ﹤0.01% 7663
2017
Q4 		$277K Buy
7,370
+5,790
+366% +$188K ﹤0.01% 6590
2017
Q3 		$52K Sell
1,580
-3,100
-66% -$69.7K ﹤0.01% 7179
2017
Q2 		$110K Sell
4,680
-390
-8% -$6.08K ﹤0.01% 6869
2017
Q1 		$49K Buy
5,070
+960
+23% +$10.5K ﹤0.01% 7044
2016
Q4 		$46K Buy
4,110
+340
+9% +$4.73K ﹤0.01% 6890
2016
Q3 		$61K Buy
3,770
+880
+30% +$12.8K ﹤0.01% 6809
2016
Q2 		$48K Buy
2,890
+900
+45% +$19.4K ﹤0.01% 6419
2016
Q1 		$52K Sell
1,990
-1,210
-38% -$25.5K ﹤0.01% 6240
2015
Q4 		$64K Buy
3,200
+200
+7% +$5.52K ﹤0.01% 7115
2015
Q3 		$75K Sell
3,000
-1,790
-37% -$66.5K ﹤0.01% 7238
2015
Q2 		$227K Buy
4,790
+1,140
+31% +$57.5K ﹤0.01% 6153
2015
Q1 		$144K Sell
3,650
-5,890
-62% -$260K ﹤0.01% 6533
2014
Q4 		$357K Buy
9,540
+2,240
+31% +$118K ﹤0.01% 5185
2014
Q3 		$767K Sell
7,300
-2,180
-23% -$327K ﹤0.01% 4057
2014
Q2 		$1.71M Buy
9,480
+3,130
+49% +$468K ﹤0.01% 2892
2014
Q1 		$919K Sell
6,350
-2,000
-24% -$345K ﹤0.01% 3531
2013
Q4 		$1.64M Sell
8,350
-8,630
-51% -$1.91M ﹤0.01% 2747
2013
Q3 		$4.11M Buy
16,980
+4,050
+31% +$1.18M 0.01% 1736
2013
Q2 		$4.33M Buy
+12,930
New +$3.79M 0.01% 1708

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.