Tortoise Acquisition Corp

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Tortoise Acquisition Corp
TickerHYLN
CIK #0001759631
CUSIP449109107
SectorReal Estate & Construction - Blank Checks
Address11550 Ash Street Suite 300, Leawood, KS 66211
Source [EDGAR]
CIK Filing 2011 - 2026
[0001759631] 10-K
[0001759631] 10-Q
[0001759631] 3
[0001759631] 4
[0001759631] 8-K
[0001759631] SC 13D
[0001759631] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Hyliion Holdings Corp [2023-02-03] 5.6
BlackRock Inc Hyliion Holdings Corp [2022-05-09] 4.96
Vanguard Group Inc Hyliion Holdings Corp [2022-02-10] 6.3
BlackRock Inc Hyliion Holdings Corp [2022-02-04] 5.1
Deep Basin Capital LP Hyliion Holdings Corp [2021-02-16] 0.0
Grace Victoria K Hyliion Holdings Corp [2020-10-21] 6.63
FJ Management Inc Hyliion Holdings Corp [2020-10-13] 5.4
Axioma Ventures LLC Hyliion Holdings Corp [2020-10-13] 10.82
Healy Thomas J Hyliion Holdings Corp [2020-10-09] 22.72
Polar Asset Management Partners Inc Tortoise Acquisition Corp [2020-04-10] 12.22
Karpus Management Inc Tortoise Acquisition Corp [2020-02-14] 6.3
Alyeska Investment Group LP Tortoise Acquisition Corp [2020-02-14] 6.4
Tortoise Sponsor LLC Tortoise Acquisition Corp [2020-02-13] 16.0
Highbridge Capital Management LLC Tortoise Acquisition Corp [2019-03-11] 7.15
Adage Capital Partners GP LLC Tortoise Acquisition Corp [2019-03-11] 8.69
Deep Basin Capital LP Tortoise Acquisition Corp [2019-03-11] 6.4
AQR Capital Management LLC Tortoise Acquisition Corp [2019-03-08] 8.89
RP Investment Advisors LP Tortoise Acquisition Corp [2019-03-07] 5.56
Form 3/4/5 Filer 2011 - 2026
Healy Thomas J
Hyliion Holdings Corp
Cubbage Vincent T
Ramasamy Govindaraj
Standley Greg
Oxholm Jose Miguel
Panzer Jon
MOOK Joshua T
Lantz Cheri
Gustanski Mary
Trent Melanie Montague
Knight Robert M Jr
Boehm Rodger L
Craig Jeffrey A
Freeland Richard Joseph
Gallagher Dennis M
Card Andrew H JR
Pang Stephen S
Jenkins Howard M
Chao Elaine L
Baker Sherri
Sexton Patrick
Olkkola Edward E
van de Vere Greg
Tassin Sidney L
Semple Frank M
Orekar Andrew J
TortoiseEcofin Borrower LLC
TortoiseEcofin Investments LLC
Tortoise Sponsor LLC
Lingam Kiran
Axioma Ventures LLC
Jenkins Alexander H
Axioma Management LLC
Axioma Holdings LLC
Polar Asset Management Partners Inc
Savage Connie
Schnitzer Steven C
Brock Darrell Jr
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Ramasamy Govindaraj
Common Stock
2026-03-10 Other 130 $2.02 263
Standley Greg
Common Stock
2026-03-03 Other 7,411 $2.04 15,118
Ramasamy Govindaraj
Common Stock
2026-03-03 Other 12,758 $2.04 26,026
MOOK Joshua T
Common Stock
2026-03-03 Other 14,816 $2.04 30,225
Oxholm Jose Miguel
Common Stock
2026-03-03 Other 24,900 $2.04 50,796
Lantz Cheri
Common Stock
2026-03-03 Other 16,700 $2.04 34,068
Panzer Jon
Common Stock
2026-03-03 Other 16,820 $2.04 34,313
Healy Thomas J
Common Stock
2026-03-03 Other 58,202 $2.05 119,314
Freeland Richard Joseph
Common Stock
2026-02-11 Grant 60,976 $2.05 125,001
MOOK Joshua T
Performance Stock Incentive Units · derivative
2026-02-11 Grant 285,366 $0.00
MOOK Joshua T
Common Stock
2026-02-11 Grant 95,122 $2.05 195,000
Panzer Jon
Performance Stock Incentive Units · derivative
2026-02-11 Grant 301,830 $0.00
Cubbage Vincent T
Common Stock
2026-02-11 Grant 60,976 $2.05 125,001
Standley Greg
Common Stock
2026-02-11 Grant 46,803 $2.05 95,946
Panzer Jon
Common Stock
2026-02-11 Grant 100,610 $2.05 206,250
Healy Thomas J
Performance Stock Incentive Units · derivative
2026-02-11 Grant 889,024 $0.00
Oxholm Jose Miguel
Performance Stock Incentive Units · derivative
2026-02-11 Grant 285,366 $0.00
Gustanski Mary
Common Stock
2026-02-11 Grant 60,976 $2.05 125,001
Knight Robert M Jr
Common Stock
2026-02-11 Grant 60,976 $2.05 125,001
Trent Melanie Montague
Common Stock
2026-02-11 Grant 60,976 $2.05 125,001
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 143 50,370,137
2025-12-31 128 49,847,322
2025-09-30 132 51,260,169
2025-06-30 126 54,981,040
2025-03-31 131 57,718,404
2024-12-31 132 54,203,267
2024-09-30 114 50,017,178
2024-06-30 104 46,185,704
2024-03-31 104 45,412,065
2023-12-31 103 42,814,210
2023-09-30 114 41,099,712
2023-06-30 116 46,431,645
Form 13F Holdings
Firm Period DFND Voting Shares
Apella Capital LLC [2026-06-30] SOLE 0 33,030
Seelaus Asset Management LLC [2026-06-30] SOLE 30,507 30,507
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 27,887
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 26,219 26,219
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,011
Spire Wealth Management [2026-06-30] SOLE 0 500
Fortitude Family Office LLC [2026-06-30] SOLE 325 325
Corecap Advisors LLC [2026-06-30] SOLE 0 226
Gamma Investing LLC [2026-06-30] DFND 213 213
True Wealth Design LLC [2026-06-30] SOLE 0 60
IFP Advisors LLC [2026-06-30] SOLE 52 52
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 0 0
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