Hyliion Holdings Corp.
HYLN- Exchange
- NYSE
- Industry
- Truck & Bus Bodies
- SEC CIK
- 0001759631
In the last 90 days, Hyliion Holdings Corp. insiders filed 1 open-market purchase and 0 sales; 167 institutions reported holding it in 13F filings for Q2 2026, worth $309.9M in total; no superinvestor holds it.
Holders of 5% or more of HYLN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hyliion Holdings Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G | 5.70%10.1M shares | +0.90 ppfrom 4.80% | Oct 17, 20252 filings | Jul 28, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
22 Schedule 13D and 13G filings on Hyliion Holdings Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G | 5.70%10.1M shares | +0.90 ppfrom 4.80% | Jun 30, 2026 | SEC |
| Oct 17, 20256:41 PM ET | BlackRock, Inc. | 13G/A | 4.80%8.36M shares | –Below 5% | Sep 30, 2025 | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 31, 20242:08 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 3, 202312:09 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| May 9, 20223:23 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Feb 4, 20224:12 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
| Feb 2, 2022 | FJ Management Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 1, 2022 | Grace Victoria K. | 13G/AOld format | – | – | – | SEC |
| Dec 6, 2021 | Axioma Ventures, LLC | 13D/AOld format | – | – | – | SEC |
| Sep 22, 2021 | Axioma Ventures, LLC | 13D/AOld format | – | – | – | SEC |
| Jun 7, 2021 | Axioma Ventures, LLC | 13D/AOld format | – | – | – | SEC |
| May 24, 2021 | Axioma Ventures, LLC | 13D/AOld format | – | – | – | SEC |
| Mar 2, 2021 | Grace Victoria K. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Deep Basin Capital LP | 13GOld format | – | New | – | SEC |
| Feb 16, 2021 | RP Investment Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Alyeska Investment Group, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Karpus Management, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | TortoiseEcofin Borrower LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Adage Capital Partners GP, L.L.C. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
3 notices from officers, directors and other affiliates planning to sell Hyliion Holdings Corp. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Mar 8, 20244:16 PM ET | Stephen PangDirector | 3.85K | $7.46K | Mar 8, 2024 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 7, 20244:50 PM ET | Stephen PangDirector | 2.58K | $4.94K | Mar 7, 2024 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Feb 21, 20244:26 PM ET | Stephen PangDirector | 63.6K | $88.0K | Feb 21, 2024 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |