Citadel Advisors
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Citadel Advisors’s Hyliion Holdings HYLN Stock Holding History

Citadel Advisors’s Portfolio HYLN Stock Details HYLN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.02M Buy
196,456
+6,279
+3% +$26.1K ﹤0.01% 8143
2026
Q1 		$335K Sell
190,177
-245,274
-56% -$493K ﹤0.01% 10226
2025
Q4 		$801K Buy
435,451
+376,017
+633% +$757K ﹤0.01% 7918
2025
Q3 		$117K Buy
+59,434
New +$98.9K ﹤0.01% 11730
2025
Q2 		– Sell
-80,094
Closed -$117K – 13636
2025
Q1 		$112K Sell
80,094
-64,468
-45% -$128K ﹤0.01% 11302
2024
Q4 		$377K Buy
144,562
+87,440
+153% +$243K ﹤0.01% 9179
2024
Q3 		$142K Buy
57,122
+15,558
+37% +$31.3K ﹤0.01% 10638
2024
Q2 		$67.3K Buy
41,564
+2,735
+7% +$4.06K ﹤0.01% 11420
2024
Q1 		$68.3K Sell
38,829
-136,034
-78% -$179K ﹤0.01% 11845
2023
Q4 		$142K Sell
174,863
-457,004
-72% -$325K ﹤0.01% 10465
2023
Q3 		$746K Sell
631,867
-600,969
-49% -$900K ﹤0.01% 7209
2023
Q2 		$2.06M Buy
1,232,836
+661,571
+116% +$1.11M ﹤0.01% 5100
2023
Q1 		$1.13M Buy
571,265
+229,045
+67% +$638K ﹤0.01% 6502
2022
Q4 		$801K Sell
342,220
-749,973
-69% -$2.04M ﹤0.01% 7249
2022
Q3 		$3.13M Buy
1,092,193
+955,165
+697% +$3.48M ﹤0.01% 4730
2022
Q2 		$441K Sell
137,028
-454,194
-77% -$1.59M ﹤0.01% 8927
2022
Q1 		$2.62M Buy
591,222
+19,442
+3% +$85.8K ﹤0.01% 5486
2021
Q4 		$3.54M Sell
571,780
-314,731
-36% -$2.25M ﹤0.01% 4999
2021
Q3 		$7.45M Buy
886,511
+855,921
+2,798% +$7.89M ﹤0.01% 3581
2021
Q2 		$356K Sell
30,590
-616,023
-95% -$6.44M ﹤0.01% 10854
2021
Q1 		$6.9M Buy
646,613
+518,658
+405% +$8.12M ﹤0.01% 3615
2020
Q4 		$2.11M Buy
127,955
+105,944
+481% +$2.41M ﹤0.01% 5254
2020
Q3 		$1.1M Buy
+22,011
New +$720K ﹤0.01% 5872

Other funds holding HYLN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GE
General Electric Evendale, Ohio $369M AUM 19.65% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Citadel Advisors's HYLN Position: Q2 2026 in Review

Citadel Advisors increased its Hyliion Holdings (HYLN) stake by 3.3% in Q2 2026, buying an estimated $26.1K and bringing the position to 196,456 shares worth $1.02M. The position accounts for ﹤0.01% of the portfolio, ranked #8143.

Citadel Advisors first reported a position in HYLN in Q3 2020 and has held it in 23 quarters since. The position peaked at $7.45M in Q3 2021. 168 funds tracked by Wall St. Rank hold HYLN as of Q2 2026.

  • Citadel Advisors held 196,456 shares of Hyliion Holdings worth $1.02M as of Q2 2026.
  • Citadel Advisors bought 6,279 Hyliion Holdings shares in Q2 2026, an estimated $26.1K.
  • Hyliion Holdings made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8143 holding.
  • Citadel Advisors first reported a position in Hyliion Holdings in Q3 2020 and has held it in 23 quarters since.
  • Citadel Advisors's Hyliion Holdings position peaked at $7.45M in Q3 2021.
  • 168 funds tracked by Wall St. Rank held Hyliion Holdings as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.