Marshall Wace
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Marshall Wace’s Spectral AI MDAI Stock Holding History

Marshall Wace’s Portfolio MDAI Stock Details MDAI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-145,482
Closed -$332K – 3259
2025
Q3 		$332K Buy
145,482
+103,441
+246% +$239K ﹤0.01% 2387
2025
Q2 		$104K Buy
+42,041
New +$64.8K ﹤0.01% 2537
2022
Q4 		– Sell
-1,226,155
Closed -$12.1M – 3218
2022
Q3 		$12.1M Hold
1,226,155
– – 0.03% 753
2022
Q2 		$12M Hold
1,226,155
– – 0.02% 744
2022
Q1 		$12M Hold
1,226,155
– – 0.02% 764
2021
Q4 		$12M Buy
1,226,155
+110,000
+10% +$1.08M 0.02% 739
2021
Q3 		$10.8M Buy
1,116,155
+145,100
+15% +$1.41M 0.05% 511
2021
Q2 		$9.42M Buy
+971,055
New +$9.43M 0.04% 516

Other funds holding MDAI

Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return
HP
Highlander Partners Dallas, Texas $298M AUM 53.88% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UOTTAIMCU
University of Texas/Texas AM Investment Management Co (UTIMCO) Austin, Texas $687M AUM 21.33% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $28B AUM 26% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return

Marshall Wace's MDAI Position: Q4 2025 in Review

Marshall Wace sold out of Spectral AI (MDAI) in Q4 2025, closing a stake of 145,482 shares — an estimated $332K sold.

Marshall Wace first reported a position in MDAI in Q2 2021 and held it in 8 quarters. The position peaked at $12.1M in Q3 2022. 28 funds tracked by Wall St. Rank hold MDAI as of Q4 2025.

  • Marshall Wace reported no remaining Spectral AI position as of Q4 2025 after selling out during the quarter.
  • Marshall Wace sold 145,482 Spectral AI shares in Q4 2025, an estimated $332K.
  • Marshall Wace first reported a position in Spectral AI in Q2 2021 and held it in 8 quarters.
  • Marshall Wace's Spectral AI position peaked at $12.1M in Q3 2022.
  • 28 funds tracked by Wall St. Rank held Spectral AI as of Q4 2025.

Based on Marshall Wace's 13F filing for Q4 2025, filed 13 Feb 2026.