Hyliion Holdings
HYLN
127 hedge funds and large institutions have $90.7M invested in Hyliion Holdings in 2025 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 41 increasing their positions, 30 reducing their positions, and 22 closing their positions.
205% more call options, than puts
Call options by funds: $1.45M | Put options by funds: $475K
37% more repeat investments, than reductions
Existing positions increased: 41 | Existing positions reduced: 30
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.94% less ownership
Funds ownership: 28.95% → 28% (-0.94%)
9% less first-time investments, than exits
New positions opened: 20 | Existing positions closed: 22
3% less funds holding
Funds holding: 131 → 127 (-4)
9% less capital invested
Capital invested by funds: $100M → $90.7M (-$9.37M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$5.45M |
| 2 |
HHAM
HITE Hedge Asset Management
Braintree,
Massachusetts
|
+$3.13M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$757K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$499K |
| 5 |
BlackRock
New York
|
+$303K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$11.6M |
| 2 |
D.E. Shaw & Co
New York
|
-$857K |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$548K |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$376K |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$361K |
HYLN Hedge Fund Activity: Q4 2025 in Review
127 of the 8,224 institutional investors tracked by Wall St. Rank reported a position in Hyliion Holdings (HYLN) for Q4 2025, worth a combined $90.7M — down 9.4% from $100M a quarter earlier.
Sellers outnumbered buyers: 22 funds closed out of HYLN and 20 opened new positions — a net loss of 2 holders — while 30 trimmed existing stakes and 41 added.
The largest buyer was Invesco, adding an estimated $5.45M. The largest seller was Millennium Management, cutting an estimated $11.6M.
- 127 institutional investors held Hyliion Holdings (HYLN) as of Q4 2025, down from 131 in Q3 2025.
- Funds reported $90.7M of Hyliion Holdings stock for Q4 2025, down 9.4% quarter-over-quarter.
- 20 funds opened new Hyliion Holdings positions in Q4 2025 and 22 closed out, a net change of -2 holders.
- The largest Hyliion Holdings buyer in Q4 2025 was Invesco, an estimated $5.45M added.
- The largest Hyliion Holdings seller in Q4 2025 was Millennium Management, an estimated $11.6M sold.
Based on aggregated 13F filings for Q4 2025.