Deltec Asset Management’s Mersana Therapeutics MRSN Stock Holding History

Deltec Asset Management’s Portfolio MRSN Stock Details MRSN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-18,000	Closed	-$521K	–	250
2025 Q4	$521K	Buy	+18,000	New	+$342K	0.09%	133

Other funds holding MRSN

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Deltec Asset Management's MRSN Position: Q1 2026 in Review

Deltec Asset Management sold out of Mersana Therapeutics (MRSN) in Q1 2026, closing a stake of 18,000 shares — an estimated $521K sold.

Deltec Asset Management first reported a position in MRSN in Q4 2025 and held it in 1 quarter. The position peaked at $521K in Q4 2025. 1 fund tracked by Wall St. Rank holds MRSN as of Q1 2026.

Deltec Asset Management reported no remaining Mersana Therapeutics position as of Q1 2026 after selling out during the quarter.
Deltec Asset Management sold 18,000 Mersana Therapeutics shares in Q1 2026, an estimated $521K.
Deltec Asset Management first reported a position in Mersana Therapeutics in Q4 2025 and held it in 1 quarter.
Deltec Asset Management's Mersana Therapeutics position peaked at $521K in Q4 2025.
1 fund tracked by Wall St. Rank held Mersana Therapeutics as of Q1 2026.

Based on Deltec Asset Management's 13F filing for Q1 2026, filed 24 Apr 2026.