Equitec Proprietary Markets’s Mersana Therapeutics MRSN Stock Holding History

Equitec Proprietary Markets’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	-5,593	Closed	-$162K	–	103
2025 Q4	$162K	Buy	+5,593	New	+$106K	0.09%	36

Other funds holding MRSN

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

Equitec Proprietary Markets's MRSN Position: Q1 2026 in Review

Equitec Proprietary Markets sold out of Mersana Therapeutics (MRSN) in Q1 2026, closing a stake of 5,593 shares — an estimated $162K sold.

Equitec Proprietary Markets first reported a position in MRSN in Q4 2025 and held it in 1 quarter. The position peaked at $162K in Q4 2025. 1 fund tracked by Wall St. Rank holds MRSN as of Q1 2026.

Equitec Proprietary Markets reported no remaining Mersana Therapeutics position as of Q1 2026 after selling out during the quarter.
Equitec Proprietary Markets sold 5,593 Mersana Therapeutics shares in Q1 2026, an estimated $162K.
Equitec Proprietary Markets first reported a position in Mersana Therapeutics in Q4 2025 and held it in 1 quarter.
Equitec Proprietary Markets's Mersana Therapeutics position peaked at $162K in Q4 2025.
1 fund tracked by Wall St. Rank held Mersana Therapeutics as of Q1 2026.

Based on Equitec Proprietary Markets's 13F filing for Q1 2026, filed 11 May 2026.