Ticker · CUSIP 449109107

HYLN

HYLIION HOLDINGS CORP
Consumer Cyclical·Auto Parts
···Share
Holders (tracked)
9
Combined shares
2,207,141
Combined value
$4.06M
Last close
$2.00
Quarter
2025Q4
Price · 1Y$2.00+0.62 (+44.93%)H $2.51 · L $1.14 · Avg Vol 1.4M
Position opened
$1.50$2.00$2.50VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
982024Q12025Q4
Price is +8.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

12 events
  1. D.E. Shaw & Co. trimmed2026-02-17
    −425,695 shares · 2025Q4
    Position
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +376,017 shares · 2025Q4
    Position
  3. Two Sigma Investments added2026-02-17
    +435 shares · 2025Q4
    Position
  4. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −5,781,581 shares · 2025Q4
    Position
  5. AQR Capital Management added2026-02-17
    +4,260 shares · 2025Q4
    Position
  6. Renaissance Technologies trimmed2026-02-12
    −145,200 shares · 2025Q4
    Position
  7. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −392,743 shares · 2025Q3
    Position
  8. AQR Capital Management added2025-11-14
    +7,610 shares · 2025Q3
    Position
  9. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −57,060 shares · 2025Q3
    Position
  10. Two Sigma Investments opened position2025-11-14
    +40,165 shares · 2025Q3
    Position
  11. D.E. Shaw & Co. trimmed2025-11-14
    −342,342 shares · 2025Q3
    Position
  12. Renaissance Technologies trimmed2025-11-13
    −955,799 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for HYLN →
Follow-the-investor returns
If you'd copied each holder of HYLN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2020Q4$1.67+19.5%$524K
Ken Griffin (Citadel Advisors)2020Q4$1.83+9.6%$25K
Ken Griffin (Citadel Advisors)2020Q4$1.83+9.6%$25K
Ken Griffin (Citadel Advisors)2020Q4$1.83+9.6%$25K
AQR Capital Management2023Q2$2.03-1.3%$46K
Renaissance Technologies2021Q4$2.58-22.5%$428K
Two Sigma Investments2021Q4$2.62-23.7%$81K
D.E. Shaw & Co.2020Q4$2.86-30.0%$2.1M
T. Rowe Price2021Q2$5.01-60.1%$255K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to3
Trimmed3
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$76.7M
2022Q2
10
$49.6M
2022Q3
10
$47.0M
2022Q4
10
$36.2M
2023Q1
10
$32.4M
2023Q2
11
$25.6M
2023Q3
9
$16.0M
2023Q4
8
$9.7M
2024Q1
8
$25.0M
2024Q2
10
$30.8M
2024Q3
9
$24.4M
2024Q4
10
$25.2M
2025Q1
10
$16.5M
2025Q2
8
$13.1M
2025Q3
9
$16.2M
2025Q4
9
$4.1M

Who owns HYLN

9 super-investors · 2025Q4
Tracked stake
2.21M
shares
Combined value
$4M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added5Trim3Held1
#ManagerSharesValue
1D.E. Shaw & Co.1.04M$2M
2Ken Griffin
Citadel Advisors
435.5K$801K
3Izzy Englander
Millennium Mgmt
262.2K$482K
4Renaissance Technologies214.1K$394K
5T. Rowe Price127.7K$236K
6Ken Griffin
Citadel Advisors
47.4K$87K
7Two Sigma Investments40.6K$75K
8AQR Capital Management23.1K$42K
9Ken Griffin
Citadel Advisors
12.6K$23K

Recent moves

20 transactions
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