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John Overdeck’s Hyliion Holdings HYLN Stock Holding History

John Overdeck’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 		$2.19M Buy
420,187
+287,887
+218% +$1.2M ﹤0.01% 2922
2026
Q1 		$233K Buy
132,300
+91,700
+226% +$184K ﹤0.01% 4217
2025
Q4 		$74.7K Buy
40,600
+435
+1% +$876 ﹤0.01% 3888
2025
Q3 		$79.1K Buy
+40,165
New +$66.9K ﹤0.01% 3498
2025
Q2 		– Sell
-158,947
Closed -$223K – 3333
2025
Q1 		$223K Buy
158,947
+101,347
+176% +$201K ﹤0.01% 2822
2024
Q4 		$150K Buy
+57,600
New +$160K ﹤0.01% 2915
2023
Q2 		– Sell
-469,183
Closed -$929K – 3123
2023
Q1 		$929K Sell
469,183
-223,031
-32% -$621K ﹤0.01% 1909
2022
Q4 		$1.62M Sell
692,214
-220,457
-24% -$598K 0.01% 1430
2022
Q3 		$2.62M Buy
912,671
+307,214
+51% +$1.12M 0.01% 1021
2022
Q2 		$1.95M Sell
605,457
-1,470,136
-71% -$5.16M 0.01% 1222
2022
Q1 		$9.2M Buy
2,075,593
+506,391
+32% +$2.24M 0.03% 641
2021
Q4 		$9.73M Buy
+1,569,202
New +$11.2M 0.02% 795

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

John Overdeck's HYLN Position: Q2 2026 in Review

John Overdeck increased its Hyliion Holdings (HYLN) stake by 218% in Q2 2026, buying an estimated $1.2M and bringing the position to 420,187 shares worth $2.19M. The position accounts for ﹤0.01% of the portfolio, ranked #2922.

John Overdeck first reported a position in HYLN in Q4 2021 and has held it in 12 quarters since. The position peaked at $9.73M in Q4 2021. 167 funds tracked by Wall St. Rank hold HYLN as of Q2 2026.

  • John Overdeck held 420,187 shares of Hyliion Holdings worth $2.19M as of Q2 2026.
  • John Overdeck bought 287,887 Hyliion Holdings shares in Q2 2026, an estimated $1.2M.
  • Hyliion Holdings made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2922 holding.
  • John Overdeck first reported a position in Hyliion Holdings in Q4 2021 and has held it in 12 quarters since.
  • John Overdeck's Hyliion Holdings position peaked at $9.73M in Q4 2021.
  • 167 funds tracked by Wall St. Rank held Hyliion Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.