Fidelity Investments
MREO

Fidelity Investments’s Mereo BioPharma MREO Stock Holding History

Fidelity Investments’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
2025
Q4 		– Sell
-1,454,900
Closed -$3M – 5523
2025
Q3 		$3M Sell
1,454,900
-23,600
-2% -$43.5K ﹤0.01% 2399
2025
Q2 		$4.01M Buy
1,478,500
+719,400
+95% +$1.74M ﹤0.01% 2245
2025
Q1 		$1.71M Buy
+759,100
New +$2.15M ﹤0.01% 2498
2021
Q3 		– Sell
-1
Closed – – 4773
2021
Q2 		$0 Buy
+1
New +$3 ﹤0.01% 4642

Other funds holding MREO

RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $14.2B AUM 37.17% 1-Year Est. Return
TC
Tejara Capital London, United Kingdom $303M AUM 5.43% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
MAM
Monaco Asset Management Monaco $542M AUM 54.4% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Fidelity Investments's MREO Position: Q4 2025 in Review

Fidelity Investments sold out of Mereo BioPharma (MREO) in Q4 2025, closing a stake of 1,454,900 shares — an estimated $3M sold.

Fidelity Investments first reported a position in MREO in Q2 2021 and held it in 4 quarters. The position peaked at $4.01M in Q2 2025. 70 funds tracked by Wall St. Rank hold MREO as of Q4 2025.

  • Fidelity Investments reported no remaining Mereo BioPharma position as of Q4 2025 after selling out during the quarter.
  • Fidelity Investments sold 1,454,900 Mereo BioPharma shares in Q4 2025, an estimated $3M.
  • Fidelity Investments first reported a position in Mereo BioPharma in Q2 2021 and held it in 4 quarters.
  • Fidelity Investments's Mereo BioPharma position peaked at $4.01M in Q2 2025.
  • 70 funds tracked by Wall St. Rank held Mereo BioPharma as of Q4 2025.

Based on Fidelity Investments's 13F filing for Q4 2025, filed 17 Feb 2026.