JB
MRUS

Julian Baker’s Merus MRUS Stock Holding History

Julian Baker’s Portfolio MRUS Stock Details MRUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-574,377
Closed -$54.1M – 93
2025
Q3 		$54.1M Hold
574,377
– – 0.39% 28
2025
Q2 		$30.2M Buy
574,377
+350,877
+157% +$16.5M 0.29% 31
2025
Q1 		$9.41M Sell
223,500
-226,500
-50% -$9.88M 0.1% 48
2024
Q4 		$18.9M Buy
450,000
+150,000
+50% +$7.2M 0.2% 43
2024
Q3 		$15M Hold
300,000
– – 0.16% 46
2024
Q2 		$17.8M Buy
+300,000
New +$14.5M 0.23% 41
2022
Q3 		– Sell
-995,397
Closed -$22.5M – 122
2022
Q2 		$22.5M Sell
995,397
-1,042,072
-51% -$21.8M 0.13% 46
2022
Q1 		$53.9M Hold
2,037,469
– – 0.31% 25
2021
Q4 		$64.8M Hold
2,037,469
– – 0.32% 28
2021
Q3 		$44.8M Hold
2,037,469
– – 0.2% 42
2021
Q2 		$42.9M Hold
2,037,469
– – 0.19% 40
2021
Q1 		$42.6M Hold
2,037,469
– – 0.18% 45
2020
Q4 		$35.7M Hold
2,037,469
– – 0.13% 44
2020
Q3 		$24.4M Hold
2,037,469
– – 0.1% 47
2020
Q2 		$32.8M Hold
2,037,469
– – 0.14% 40
2020
Q1 		$24.7M Hold
2,037,469
– – 0.15% 37
2019
Q4 		$28.7M Buy
2,037,469
+877,455
+76% +$14.1M 0.15% 42
2019
Q3 		$20.7M Hold
1,160,014
– – 0.14% 39
2019
Q2 		$17M Hold
1,160,014
– – 0.12% 41
2019
Q1 		$17.1M Hold
1,160,014
– – 0.11% 38
2018
Q4 		$16.2M Hold
1,160,014
– – 0.13% 36
2018
Q3 		$22.9M Hold
1,160,014
– – 0.15% 38
2018
Q2 		$26.4M Hold
1,160,014
– – 0.2% 36
2018
Q1 		$21.5M Hold
1,160,014
– – 0.18% 41
2017
Q4 		$22.5M Hold
1,160,014
– – 0.2% 42
2017
Q3 		$23M Hold
1,160,014
– – 0.19% 36
2017
Q2 		$18.4M Hold
1,160,014
– – 0.16% 33
2017
Q1 		$28.3M Hold
1,160,014
– – 0.23% 30
2016
Q4 		$24.5M Hold
1,160,014
– – 0.24% 30
2016
Q3 		$19.4M Buy
1,160,014
+37,155
+3% +$353K 0.18% 35
2016
Q2 		$8.97M Buy
+1,122,859
New +$9.82M 0.09% 57

Other funds holding MRUS

DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
BIG
Brooklyn Investment Group Brooklyn, New York $3.2B AUM 26.32% 1-Year Est. Return
NAM
NTV Asset Management Charleston, West Virginia $1.02B AUM 31.16% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
EWA
EverSource Wealth Advisors Birmingham, Alabama $2.97B AUM 28.72% 1-Year Est. Return
PA
Parallel Advisors San Francisco, California $6.56B AUM 32.24% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Julian Baker's MRUS Position: Q4 2025 in Review

Julian Baker sold out of Merus (MRUS) in Q4 2025, closing a stake of 574,377 shares — an estimated $54.1M sold.

Julian Baker first reported a position in MRUS in Q2 2016 and held it in 31 quarters. The position peaked at $64.8M in Q4 2021. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

  • Julian Baker reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
  • Julian Baker sold 574,377 Merus shares in Q4 2025, an estimated $54.1M.
  • Julian Baker first reported a position in Merus in Q2 2016 and held it in 31 quarters.
  • Julian Baker's Merus position peaked at $64.8M in Q4 2021.
  • 10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

Based on Baker Bros. Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.