Baker Bros. Advisors’s Yarrow Bioscience, Inc. Common Stock YARW Stock Holding History

Baker Bros. Advisors’s Portfolio YARW Stock Details YARW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-17,027	Closed	-$285K	–	98
2025 Q3	$285K	Buy	+17,027	New	+$557K	﹤0.01%	87
2020 Q2	–	Sell	-174	Closed	-$1.68M	–	120
2020 Q1	$1.68M	Sell	174 -20	-10%	-$314K	0.01%	94
2019 Q4	$3.25M	Hold	194	–	–	0.02%	81
2019 Q3	$3.14M	Hold	194	–	–	0.02%	75
2019 Q2	$4.19M	Hold	194	–	–	0.03%	66
2019 Q1	$5.5M	Hold	194	–	–	0.04%	57
2018 Q4	$2.88M	Hold	194	–	–	0.02%	65
2018 Q3	$6.89M	Hold	194	–	–	0.05%	62
2018 Q2	$5.68M	Hold	194	–	–	0.04%	70
2018 Q1	$26.3M	Buy	+194	New	+$23.6M	0.22%	36

Other funds holding YARW

Shay Capital New York $1.2B AUM 37.47% 1-Year Est. Return

AFM

Anson Funds Management Dallas, Texas $2.29B AUM 370.24% 1-Year Est. Return

NCM

Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return

T3 Companies New York $93.7M AUM

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

KCA

KVP Capital Advisors San Francisco, California $134M AUM

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Baker Bros. Advisors's YARW Position: Q4 2025 in Review

Baker Bros. Advisors sold out of Yarrow Bioscience, Inc. Common Stock (YARW) in Q4 2025, closing a stake of 17,027 shares — an estimated $285K sold.

Baker Bros. Advisors first reported a position in YARW in Q1 2018 and held it in 10 quarters. The position peaked at $26.3M in Q1 2018. 41 funds tracked by Wall St. Rank hold YARW as of Q4 2025.

Baker Bros. Advisors reported no remaining Yarrow Bioscience, Inc. Common Stock position as of Q4 2025 after selling out during the quarter.
Baker Bros. Advisors sold 17,027 Yarrow Bioscience, Inc. Common Stock shares in Q4 2025, an estimated $285K.
Baker Bros. Advisors first reported a position in Yarrow Bioscience, Inc. Common Stock in Q1 2018 and held it in 10 quarters.
Baker Bros. Advisors's Yarrow Bioscience, Inc. Common Stock position peaked at $26.3M in Q1 2018.
41 funds tracked by Wall St. Rank held Yarrow Bioscience, Inc. Common Stock as of Q4 2025.

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