Virtu Financial’s Mereo BioPharma MREO Stock Holding History

Virtu Financial’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	$12K	Buy	+36,458	New	+$15.6K	﹤0.01%	1444
2025 Q4	–	Sell	-15,970	Closed	-$33K	–	2023
2025 Q3	$33K	Buy	+15,970	New	+$29.4K	﹤0.01%	1211
2024 Q3	–	Sell	-14,152	Closed	-$51K	–	1691
2024 Q2	$51K	Buy	+14,152	New	+$45.8K	﹤0.01%	901
2024 Q1	–	Sell	-20,322	Closed	-$47K	–	1829
2023 Q4	$47K	Sell	20,322 -13,771	-40%	-$26.3K	﹤0.01%	1183
2023 Q3	$44K	Buy	+34,093	New	+$45.2K	﹤0.01%	923
2023 Q1	–	Sell	-19,745	Closed	-$15K	–	1864
2022 Q4	$15K	Sell	19,745 -14,135	-42%	-$11.6K	﹤0.01%	1322
2022 Q3	$29K	Buy	+33,880	New	+$41.5K	﹤0.01%	1326
2022 Q1	–	Sell	-63,045	Closed	-$101K	–	1819
2021 Q4	$101K	Buy	63,045 +50,843	+417%	+$102K	0.01%	1131
2021 Q3	$30K	Buy	+12,202	New	+$32.3K	﹤0.01%	1347
2021 Q1	–	Sell	-59,966	Closed	-$215K	–	1869
2020 Q4	$215K	Buy	+59,966	New	+$150K	0.02%	814

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

Virtu Financial's MREO Position: Q1 2026 in Review

Virtu Financial opened a new position in Mereo BioPharma (MREO) in Q1 2026: 36,458 shares worth $12K. The stake represents ﹤0.01% of the portfolio and ranks #1444 among its holdings. This is a return to the name: Virtu Financial previously reported a position in MREO as recently as Q3 2025.

Virtu Financial first reported a position in MREO in Q4 2020 and has held it in 10 quarters since. The position peaked at $215K in Q4 2020. 63 funds tracked by Wall St. Rank hold MREO as of Q1 2026.

Virtu Financial held 36,458 shares of Mereo BioPharma worth $12K as of Q1 2026.
Mereo BioPharma was a new Virtu Financial position in Q1 2026.
Mereo BioPharma made up ﹤0.01% of Virtu Financial's portfolio in Q1 2026, its #1444 holding.
Virtu Financial first reported a position in Mereo BioPharma in Q4 2020 and has held it in 10 quarters since.
Virtu Financial's Mereo BioPharma position peaked at $215K in Q4 2020.
63 funds tracked by Wall St. Rank held Mereo BioPharma as of Q1 2026.

Based on Virtu Financial's 13F filing for Q1 2026, filed 14 May 2026.