Simplex Trading
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Simplex Trading’s Hyliion Holdings HYLN Stock Holding History

Simplex Trading’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
Q1 		$11.6K Sell
6,600
-4,200
-39% -$8.45K ﹤0.01% 7230
2025
Q4 		$19.9K Sell
10,800
-6,900
-39% -$13.9K ﹤0.01% 6483
2025
Q3 		$34K Sell
17,700
-14,400
-45% -$24K ﹤0.01% 6841
2025
Q2 		$42K Buy
32,100
+24,700
+334% +$36K ﹤0.01% 6101
2025
Q1 		$10K Buy
7,400
+1,600
+28% +$3.17K ﹤0.01% 7088
2024
Q4 		$15K Buy
5,800
+4,600
+383% +$12.8K ﹤0.01% 6894
2024
Q3 		$2K Sell
1,200
-10,300
-90% -$20.7K ﹤0.01% 8012
2024
Q2 		$18K Sell
11,500
-14,200
-55% -$21.1K ﹤0.01% 6981
2024
Q1 		$45K Buy
25,700
+19,600
+321% +$25.7K ﹤0.01% 6357
2023
Q4 		$4K Buy
+6,100
New +$4.33K ﹤0.01% 7968
2023
Q3 		– Sell
-22,000
Closed -$36K – 9138
2023
Q2 		$36K Sell
22,000
-5,100
-19% -$8.6K ﹤0.01% 6154
2023
Q1 		$53K Buy
27,100
+12,900
+91% +$35.9K ﹤0.01% 5851
2022
Q4 		$33K Buy
14,200
+5,400
+61% +$14.7K ﹤0.01% 6338
2022
Q3 		$25K Sell
8,800
-1,300
-13% -$4.74K ﹤0.01% 7278
2022
Q2 		$32K Sell
10,100
-19,300
-66% -$67.7K ﹤0.01% 7056
2022
Q1 		$130K Sell
29,400
-62,200
-68% -$275K ﹤0.01% 5784
2021
Q4 		$567K Sell
91,600
-32,600
-26% -$233K ﹤0.01% 3630
2021
Q3 		$1.42M Buy
124,200
+400
+0.3% +$3.69K ﹤0.01% 2610
2021
Q2 		$1.44M Buy
123,800
+123,048
+16,363% +$1.29M ﹤0.01% 2613
2021
Q1 		$802K Sell
752
-841
-53% -$13.2K ﹤0.01% 2696
2020
Q4 		$2.63M Sell
1,593
-650
-29% -$14.8K ﹤0.01% 1496
2020
Q3 		$798K Buy
+2,243
New +$73.4K ﹤0.01% 2490

Other funds holding HYLN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GE
General Electric Evendale, Ohio $308M AUM 40.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
HHAM
HITE Hedge Asset Management Braintree, Massachusetts $1.77B AUM 38.67% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Simplex Trading's HYLN Position: Q4 2025 in Review

Simplex Trading sold out of Hyliion Holdings (HYLN) in Q4 2025, closing a stake of 62,729 shares — an estimated $126K sold.

Simplex Trading first reported a position in HYLN in Q3 2020 and held it in 21 quarters. The position peaked at $1.39M in Q4 2020. 127 funds tracked by Wall St. Rank hold HYLN as of Q4 2025.

  • Simplex Trading reported no remaining Hyliion Holdings position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 62,729 Hyliion Holdings shares in Q4 2025, an estimated $126K.
  • Simplex Trading first reported a position in Hyliion Holdings in Q3 2020 and held it in 21 quarters.
  • Simplex Trading's Hyliion Holdings position peaked at $1.39M in Q4 2020.
  • 127 funds tracked by Wall St. Rank held Hyliion Holdings as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.