Luminus Management LLC

SEC CIK: 0001279151
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MRSN holding history

Mersana Therapeutics, Inc. in every 13F filed by Luminus Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRSN overview All 13F holders of MRSN Full Q2 2026 holdings

Shares (Q4 2025): 0; Sold out in Q4 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q2 2025

Holdings of MRSN by Luminus Management LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2025	0	$0	0.0%	−50,000−100.0%	Sold out	Holders
Q3 2025	50,000	$388.0K	0.3%	+8,427+20.3%	AddedConverted for a 1-for-25 split	Holders
Q2 2025	1,039,314	$307.6K	0.1%	+1,039,314	New	Holders