Platinum Investment Management’s Merus MRUS Stock Holding History

Platinum Investment Management’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	-29,018	Closed	-$2.73M	–	133
2025 Q3	$2.73M	Sell	29,018 -15,922	-35%	-$1.04M	0.18%	57
2025 Q2	$2.36M	Sell	44,940 -19,901	-31%	-$936K	0.16%	51
2025 Q1	$2.73M	Sell	64,841 -4,244	-6%	-$185K	0.16%	43
2024 Q4	$2.91M	Hold	69,085	–	–	0.17%	52
2024 Q3	$3.45M	Sell	69,085 -4,637	-6%	-$242K	0.16%	54
2024 Q2	$4.36M	Sell	73,722 -25,768	-26%	-$1.25M	0.18%	42
2024 Q1	$4.48M	Sell	99,490 -42,539	-30%	-$1.73M	0.18%	43
2023 Q4	$3.91M	Hold	142,029	–	–	0.16%	58
2023 Q3	$3.35M	Sell	142,029 -8,209	-5%	-$199K	0.13%	59
2023 Q2	$3.96M	Sell	150,238 -88,814	-37%	-$1.94M	0.14%	62
2023 Q1	$4.4M	Buy	239,052 +47,697	+25%	+$831K	0.15%	59
2022 Q4	$2.96M	Buy	191,355 +45,091	+31%	+$794K	0.11%	68
2022 Q3	$2.93M	Buy	146,264 +3,404	+2%	+$81.2K	0.12%	61
2022 Q2	$3.23M	Sell	142,860 -13,941	-9%	-$291K	0.12%	63
2022 Q1	$4.15M	Sell	156,801 -19,708	-11%	-$528K	0.13%	61
2021 Q4	$5.61M	Sell	176,509 -63,528	-26%	-$1.79M	0.16%	58
2021 Q3	$5.28M	Buy	240,037 +25,063	+12%	+$537K	0.15%	64
2021 Q2	$4.53M	Hold	214,974	–	–	0.1%	65
2021 Q1	$4.49M	Sell	214,974 -14,259	-6%	-$329K	0.1%	60
2020 Q4	$4.02M	Buy	229,233 +38,825	+20%	+$574K	0.09%	62
2020 Q3	$2.29M	Hold	190,408	–	–	0.06%	77
2020 Q2	$3.06M	Sell	190,408 -22,345	-11%	-$323K	0.07%	67
2020 Q1	$2.57M	Buy	212,753 +42,641	+25%	+$675K	0.07%	63
2019 Q4	$2.4M	Buy	170,112 +31,012	+22%	+$499K	0.05%	61
2019 Q3	$2.48M	Sell	139,100 -37,735	-21%	-$619K	0.06%	54
2019 Q2	$2.59M	Hold	176,835	–	–	0.06%	51
2019 Q1	$2.61M	Buy	176,835 +23,168	+15%	+$296K	0.06%	51
2018 Q4	$2.15M	Buy	153,667 +51,448	+50%	+$745K	0.07%	46
2018 Q3	$2.02M	Hold	102,219	–	–	0.06%	52
2018 Q2	$2.33M	Hold	102,219	–	–	0.06%	52
2018 Q1	$1.89M	Hold	102,219	–	–	0.05%	55
2017 Q4	$1.98M	Hold	102,219	–	–	0.05%	56
2017 Q3	$2.03M	Hold	102,219	–	–	0.05%	50
2017 Q2	$1.62M	Hold	102,219	–	–	0.04%	52
2017 Q1	$2.49M	Sell	102,219 -9,300	-8%	-$237K	0.07%	44
2016 Q4	$2.35M	Hold	111,519	–	–	0.07%	42
2016 Q3	$1.87M	Buy	111,519 +41,519	+59%	+$394K	0.04%	58
2016 Q2	$559K	Buy	+70,000	New	+$612K	0.01%	69

Other funds holding MRUS

DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return

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 Chicago, Illinois $171B AUM 85% 1-Year Est. Return

EWA

EverSource Wealth Advisors Birmingham, Alabama $2.97B AUM 28.72% 1-Year Est. Return

Parallel Advisors San Francisco, California $6.56B AUM 32.24% 1-Year Est. Return

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

Platinum Investment Management's MRUS Position: Q4 2025 in Review

Platinum Investment Management sold out of Merus (MRUS) in Q4 2025, closing a stake of 29,018 shares — an estimated $2.73M sold.

Platinum Investment Management first reported a position in MRUS in Q2 2016 and held it in 38 quarters. The position peaked at $5.61M in Q4 2021. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

Platinum Investment Management reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
Platinum Investment Management sold 29,018 Merus shares in Q4 2025, an estimated $2.73M.
Platinum Investment Management first reported a position in Merus in Q2 2016 and held it in 38 quarters.
Platinum Investment Management's Merus position peaked at $5.61M in Q4 2021.
10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

Based on Platinum Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.