Logos Global Management’s Mereo BioPharma MREO Stock Holding History

Logos Global Management’s Portfolio MREO Stock Details MREO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-1,850,000	Closed	-$771K	–	77
2025 Q4	$771K	Buy	1,850,000 +1,350,000	+270%	+$2.57M	0.05%	66
2025 Q3	$1.03M	Buy	+500,000	New	+$922K	0.09%	57
2022 Q1	–	Sell	-46,984	Closed	-$75K	–	59
2021 Q4	$75K	Hold	46,984	–	–	0.01%	66
2021 Q3	$114K	Hold	46,984	–	–	0.01%	57
2021 Q2	$149K	Buy	+46,984	New	+$158K	0.01%	58
2020 Q3	–	Sell	-200,000	Closed	-$612K	–	55
2020 Q2	$612K	Buy	+200,000	New	+$353K	0.12%	45

Other funds holding MREO

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

6CM

683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

DCM

Defilade Capital Management Emeryville, California $712M AUM

Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Tejara Capital London, United Kingdom $303M AUM 5.43% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

WANY

Wealthspire Advisors (New York) New York $12.7B AUM 17.31% 1-Year Est. Return

Logos Global Management's MREO Position: Q1 2026 in Review

Logos Global Management sold out of Mereo BioPharma (MREO) in Q1 2026, closing a stake of 1,850,000 shares — an estimated $771K sold.

Logos Global Management first reported a position in MREO in Q2 2020 and held it in 6 quarters. The position peaked at $1.03M in Q3 2025. 63 funds tracked by Wall St. Rank hold MREO as of Q1 2026.

Logos Global Management reported no remaining Mereo BioPharma position as of Q1 2026 after selling out during the quarter.
Logos Global Management sold 1,850,000 Mereo BioPharma shares in Q1 2026, an estimated $771K.
Logos Global Management first reported a position in Mereo BioPharma in Q2 2020 and held it in 6 quarters.
Logos Global Management's Mereo BioPharma position peaked at $1.03M in Q3 2025.
63 funds tracked by Wall St. Rank held Mereo BioPharma as of Q1 2026.

Based on Logos Global Management's 13F filing for Q1 2026, filed 15 May 2026.