Significant Ownership of 683 Capital Management, LLC

Signature - Title
Ari Zweiman - Managing Member
Location
New York, NY
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by 683 Capital Management, LLC.

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Significant Ownership of 683 Capital Management, LLC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MREO Mereo BioPharma Group plc American Depositary Shares, each representing five ordinary shares, nominal value of 0.003 GBP per share 8.2% $27,120,426 65,083,815 683 Capital Management, LLC 29 Dec 2025
INAB IN8BIO, INC. Common Stock, $0.0001 par value per share 7.9% $1,510,072 770,445 683 Capital Management, LLC 22 Dec 2025
PCSC Perceptive Capital Solutions Corp Class A ordinary shares, $0.0001 par value 7.2% $8,703,341 640,894 683 Capital Management, LLC 31 Dec 2025
MRSN Mersana Therapeutics, Inc. Common Stock, par value $0.0001 per share 7% $10,215,484 +$2,264,431 351,289 +28% 683 Capital Management, LLC 31 Dec 2025
IMUX IMMUNIC, INC. Common Stock, par value $0.0001 per share 5.9% $5,100,000 -$2,131,423 7,500,000 -29% 683 CAPITAL MANAGEMENT, LLC 31 Dec 2025
MODD Modular Medical, Inc. Common Stock, $0.001 par value per share 5.5% $3,807,492 +$2,947,633 8,277,156 +343% 683 Capital Management, LLC 03 Mar 2026
GUTS FRACTYL HEALTH, INC. Common Stock, $0.00001 par value per share 5.3% $9,975,000 7,125,000 683 Capital Management, LLC 10 Oct 2025
AFMD Affimed N.V. Common Shares, nominal value 0.01 per share 4.3% $582,594 654,600 683 Capital Management, LLC 31 Dec 2024
INSE Inspired Entertainment, Inc. Common stock, par value $0.0001 per share 4.2% $10,552,500 -$5,393,500 1,125,000 -34% 683 Capital Management, LLC 02 Jul 2025
GOSS Gossamer Bio, Inc. Common Stock, $0.0001 par value per share 3.9% $3,732,522 -$1,200,000 9,331,304 -24% 683 Capital Management, LLC 18 Mar 2026
RVPH REVIVA PHARMACEUTICALS HOLDINGS, INC. Common Stock, par value $0.0001 per share 3% $1,257,300 -$699,300 3,492,500 -36% 683 CAPITAL MANAGEMENT, LLC 31 Dec 2025

Schedules 13D/G Reported by 683 Capital Management, LLC:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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