Marshall Wace
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Marshall Wace’s Yarrow Bioscience YARW Stock Holding History

Marshall Wace’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
2026
Q3 		$5.34M Buy
+237,183
New +$8.08M ﹤0.01% 1296
2022
Q1 		– Sell
-183
Closed -$169K – 4080
2021
Q4 		$169K Buy
+183
New +$196K ﹤0.01% 3222
2021
Q2 		– Sell
-72
Closed -$442K – 3133
2021
Q1 		$442K Buy
+72
New +$522K ﹤0.01% 1993

Other funds holding YARW

SL
Siren LLC Greenwich, Connecticut $4.23B AUM 121.47% 1-Year Est. Return
Spruce Street Capital
Spruce Street Capital New York $629M AUM 210.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Silverarc Capital Management
Silverarc Capital Management Boston, Massachusetts $854M AUM 179.73% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM
Monashee Investment Management
Monashee Investment Management Boston, Massachusetts $33.4M AUM 92.4% 1-Year Est. Return
Nantahala Capital Management
Nantahala Capital Management New Canaan, Connecticut $3.16B AUM 31.44% 1-Year Est. Return

Marshall Wace's YARW Position: Q3 2026 in Review

Marshall Wace opened a new position in Yarrow Bioscience (YARW) in Q3 2026: 237,183 shares worth $5.34M. The stake represents ﹤0.01% of the portfolio and ranks #1296 among its holdings. This is a return to the name: Marshall Wace previously reported a position in YARW as recently as Q4 2021.

Marshall Wace first reported a position in YARW in Q1 2021 and has held it in 3 quarters since. 25 funds tracked by Wall St. Rank hold YARW as of Q3 2026.

  • Marshall Wace held 237,183 shares of Yarrow Bioscience worth $5.34M as of Q3 2026.
  • Yarrow Bioscience was a new Marshall Wace position in Q3 2026.
  • Yarrow Bioscience made up ﹤0.01% of Marshall Wace's portfolio in Q3 2026, its #1296 holding.
  • Marshall Wace first reported a position in Yarrow Bioscience in Q1 2021 and has held it in 3 quarters since.
  • 25 funds tracked by Wall St. Rank held Yarrow Bioscience as of Q3 2026.

Based on Marshall Wace's 13F filing for Q3 2026, filed 13 Nov 2026.