Helix Acquisition Corp

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Helix Acquisition Corp
TickerMLTX
CIK #0001821586
CUSIP61559X104
SectorReal Estate & Construction - Blank Checks
Addressc/o Cormorant Asset Management, Llp 200 Clarendon Street Fl 52, Boston, MA 02116
Source [EDGAR]
CIK Filing 2011 - 2026
[0001821586] 10-K
[0001821586] 10-Q
[0001821586] 3
[0001821586] 4
[0001821586] 8-K
[0001821586] SC 13D
[0001821586] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Cormorant Asset Management LP Moonlake Immunotherapeutics [2026-02-17] 0.0
Deep Track Capital LP Moonlake Immunotherapeutics [2025-11-12] 0.0
Avoro Capital Advisors LLC Moonlake Immunotherapeutics [2025-08-14] 0.0
Price T Rowe Associates Inc /MD/ Moonlake Immunotherapeutics [2025-02-14] 0.0
FMR LLC Moonlake Immunotherapeutics [2024-02-09] 0.0
Chen Bihua Moonlake Immunotherapeutics [2023-03-31] 17.6
Merck Healthcare KGAA Moonlake Immunotherapeutics [2022-08-03] 8.3
Biotechnology Value Fund L P Moonlake Immunotherapeutics [2022-04-18] 30.5
FMR LLC Helix Acquisition Corp [2021-12-10] 0.0
Price T Rowe Associates Inc /MD/ Helix Acquisition Corp [2021-02-16] 5.3
RA Capital Management LP Helix Acquisition Corp [2021-02-16] 5.9
RTW Investments LP Helix Acquisition Corp [2021-02-16] 6.29
BlackRock Inc Helix Acquisition Corp [2021-02-08] 6.3
Adage Capital Partners GP LLC Helix Acquisition Corp [2020-11-02] 8.44
Citadel Advisors LLC Helix Acquisition Corp [2020-11-02] 5.7
Form 3/4/5 Filer 2011 - 2026
Santos da Silva Jorge
MoonLake Immunotherapeutics
Bodenstedt Matthias
BVF Inc/IL
Biotechnology Value Trading Fund OS LP
BVF Partners L P/IL
Lampert Mark N
BVF GP Holdings LLC
BVF II GP LLC
BVF Partners OS Ltd
Biotechnology Value Fund L P
Biotechnology Value Fund II LP
BVF I GP LLC
Loy Spike
Phillips Andrew John
Xavier Ramnik
Moukheibir Catherine
Reich Kristian
Cormorant Private Healthcare Fund II LP
Cormorant Global Healthcare Master Fund LP
Chen Bihua
Cormorant Private Healthcare Fund III LP
Cormorant Asset Management LP
Cormorant Private Healthcare Fund IV LP
Sturge Simon
Lassen Kara
Helix Holdings LLC
Lewis Will
Chang Nancy T
Schmid John P
Scollins Jay
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Bodenstedt Matthias
Class A ordinary shares, par value $0.0001 per share
2026-01-07 Grant 354,296 $0.00
Reich Kristian
Stock Option (Right to Buy) · derivative
2026-01-07 Grant 520,342 $0.00
Santos da Silva Jorge
Stock Option (Right to Buy) · derivative
2026-01-07 Grant 520,342 $0.00
Reich Kristian
Class C ordinary shares, par value $0.0001 per share
2025-12-19 Disposed to issuer 35,389
Reich Kristian
Class A ordinary shares, par value $0.0001 per share
2025-12-19 Conversion 35,389
Santos da Silva Jorge
Class C ordinary shares, par value $0.0001 per share
2025-12-19 Disposed to issuer 196,316
Santos da Silva Jorge
Class A ordinary shares, par value $0.0001 per share
2025-12-19 Conversion 196,316
Reich Kristian
Common shares, par value CHF 0.10 per share, of MoonLake AG · derivative
2025-12-19 Conversion 1,052
Bodenstedt Matthias
Class A ordinary shares, par value $0.0001 per share
2025-12-19 Conversion 294,473
Bodenstedt Matthias
Class C ordinary shares, par value $0.0001 per share
2025-12-19 Disposed to issuer 294,473
Santos da Silva Jorge
Common shares, par value CHF 0.10 per share, of MoonLake AG · derivative
2025-12-19 Conversion 5,836
Bodenstedt Matthias
Common shares, par value CHF 0.10 per share, of MoonLake AG · derivative
2025-12-19 Conversion 8,754
Reich Kristian
Class A ordinary shares, par value $0.0001 per share
2025-12-09 Sell 72,908 $14.43 1,052,062
Santos da Silva Jorge
Class A ordinary shares, par value $0.0001 per share
2025-12-09 Sell 70,000 $14.49 1,014,300
Santos da Silva Jorge
Class A ordinary shares, par value $0.0001 per share
2025-12-08 Sell 130,000 $15.08 1,960,400
Reich Kristian
Class A ordinary shares, par value $0.0001 per share
2025-12-08 Sell 130,000 $15.08 1,960,400
Bodenstedt Matthias
Class A ordinary shares, par value $0.0001 per share
2025-10-08 Buy 10,870 $9.09 98,808
Cormorant Private Healthcare Fund II LP +5
Class A Ordinary Shares
2025-09-30 Sell 5,827 $6.96 40,556
Cormorant Private Healthcare Fund II LP +5
Class A Ordinary Shares
2025-09-29 Sell 3,390,943 $7.58 25,703,348
Cormorant Private Healthcare Fund II LP +5
Class A Ordinary Shares
2025-09-29 Sell 2,800,000 $6.61 18,508,000
showing 20 of 156 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 149 63,304,890
2025-12-31 133 58,095,637
2025-09-30 146 43,126,406
2025-06-30 138 57,400,690
2025-03-31 141 57,745,968
2024-12-31 120 60,042,356
2024-09-30 113 59,122,057
2024-06-30 114 59,119,328
2024-03-31 121 57,402,480
2023-12-31 133 57,313,778
2023-09-30 121 54,083,478
2023-06-30 85 53,167,845
Form 13F Holdings
Firm Period DFND Voting Shares
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 215,849 215,849
Congress Asset Management Co [2026-06-30] SOLE 153,248 180,448
Farther Finance Advisors LLC [2026-06-30] SOLE 0 883
IFP Advisors LLC [2026-06-30] SOLE 101 101
True Wealth Design LLC [2026-06-30] SOLE 0 74
Gamma Investing LLC [2026-06-30] DFND 14 14
FNY Investment Advisers LLC [2026-06-30] SOLE 3,000 2
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