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Marshall Wace

Marshall Wace Portfolio holdings

AUM $127B Turnover 40.17%
1-Year Est. Return 46.06%
This Fund
S&P 500
This Quarter Est. Return
+0.56%
1 Year Est. Return
+46.06%
3 Year Est. Return
+142.12%
5 Year Est. Return
+190.33%
10 Year Est. Return
+787.47%
AUM
$100B
AUM Growth
-$9.45B
Cap. Flow
-$6.97B
Cap. Flow %
-6.95%
Top 10 Hldgs %
31.76%
Holding
3,811
New
911
Increased
1,180
Reduced
974
Closed
681
Avg Time Held Equity + Options
0.9 years
Top 10 Avg Time Held Equity + Options
2.2 years
Top 20 Avg Time Held Equity + Options
1.7 years
Avg Time Held Equity only
1 year
Top 10 Avg Time Held Equity only
2.2 years
Top 20 Avg Time Held Equity only
1.7 years

Top Buys

Rank Stock Value
1
SPYM icon
State Street SPDR Portfolio S&P 500 ETF
SPYM
+$3.97B
2
CVX icon
Chevron
CVX
+$527M
3
AAPL icon
Apple
AAPL
+$449M
4
MS icon
Morgan Stanley
MS
+$426M
5
ABNB icon
Airbnb
ABNB
+$367M

Top Sells

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$4.21B
2
VOO icon
Vanguard S&P 500 ETF
VOO
+$2.87B
3
WMT icon
Walmart Inc
WMT
+$831M
4
AMZN icon
Amazon
AMZN
+$692M
5
LLY icon
Eli Lilly
LLY
+$641M

Sector Composition

Rank Sector Weight
1 Miscellaneous 29.92%
2 Technology 19.57%
3 Consumer Discretionary 11.57%
4 Healthcare 9.79%
5 Financials 6.87%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
SLSR icon
3726
Solaris Resources
SLSR
$1.12B
– –
-12,890
Closed -$103K –
VIK icon
3727
Viking Holdings
VIK
$37.9B
– –
-34,734
Closed -$2.48M –
SVCO icon
3728
Silvaco Group
SVCO
$212M
– –
-127,810
Closed -$518K –
AMBR icon
3729
Amber International Holding Ltd
AMBR
$182M
– –
-22,856
Closed -$39.5K –
BWIN icon
3730
Baldwin Insurance Group
BWIN
$4.49B
– –
-87,008
Closed -$2.09M –
KBDC icon
3731
Kayne Anderson BDC
KBDC
$829M
– –
-31,400
Closed -$450K –
LIF icon
3732
Life360
LIF
$3.32B
– –
-58,932
Closed -$3.78M –
SPMC icon
3733
Sound Point Meridian Capital
SPMC
$146M
– –
-26,897
Closed -$370K –
SUNS icon
3734
Sunrise Realty Trust
SUNS
$88.3M
– –
-97,182
Closed -$916K –
ARTV icon
3735
Artiva Biotherapeutics
ARTV
$288M
– –
-79,559
Closed -$341K –
FDSB icon
3736
Fifth District Bancorp
FDSB
$88.5M
– –
-10,076
Closed -$151K –
SEG icon
3737
Seaport Entertainment Group
SEG
$290M
– –
-33,154
Closed -$655K –
CURR icon
3738
Currenc Group
CURR
$289M
– –
-10,535
Closed -$18.9K –
AMTM icon
3739
Amentum Holdings
AMTM
$4.64B
– –
-35,084
Closed -$1.02M –
CURB icon
3740
Curbline Properties
CURB
$3.05B
– –
-31,224
Closed -$725K –
INV icon
3741
Innventure Inc
INV
$28.2M
– –
-125,545
Closed -$525K –
CBLL icon
3742
CeriBell Inc
CBLL
$1.01B
– –
-45,061
Closed -$988K –
INGM icon
3743
Ingram Micro Holding
INGM
$6.15B
– –
-16,982
Closed -$362K –
NESR icon
3744
National Energy Services Reunited Corp
NESR
$1.92B
– –
-13,852
Closed -$217K –
DTCX icon
3745
Datacentrex Inc
DTCX
$52.6M
– –
-114,096
Closed -$314K –
ACOG icon
3746
Alpha Cognition
ACOG
$187M
– –
-53,203
Closed -$346K –
BHST icon
3747
BioHarvest Sciences
BHST
$34.7M
– –
-21,235
Closed -$110K –
TLX icon
3748
Telix Pharmaceuticals
TLX
$3.67B
– –
-46,658
Closed -$349K –
PVLA icon
3749
Palvella Therapeutics
PVLA
$1.74B
– –
-9,484
Closed -$993K –
BZAI icon
3750
Blaize Holdings
BZAI
$37.2M
– –
-859,131
Closed -$1.68M –
148 149
150
151 152

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Marshall Wace's Q1 2026 Portfolio in Review

As of Q1 2026, Marshall Wace held 3,811 positions worth $100B, down 8.6% from $110B the previous quarter. Its ten largest holdings account for 32% of the portfolio.

Marshall Wace withdrew a net $6.97B in Q1 2026, closing 681 positions and reducing 974 holdings. Its most notable exit was Vanguard S&P 500 ETF, an estimated $2.87B position sold in full.

By sector, the portfolio is most concentrated in Miscellaneous at 30% of assets, down from 30% a quarter earlier, followed by Technology and Consumer Discretionary.

Against the trend, Marshall Wace opened a new position in State Street SPDR Portfolio S&P 500 ETF worth $3.8B.

  • Marshall Wace's largest Q1 2026 buy was State Street SPDR Portfolio S&P 500 ETF: 49,650,246 shares worth $3.8B.
  • Marshall Wace added most to Chevron in Q1 2026, an estimated $527M increase.
  • Marshall Wace's biggest Q1 2026 reduction was iShares Core S&P 500 ETF, cutting an estimated $4.21B.
  • Marshall Wace fully exited Vanguard S&P 500 ETF in Q1 2026, selling an estimated $2.87B.
  • Marshall Wace's ten largest holdings make up 32% of its $100B portfolio in Q1 2026.
  • Marshall Wace opened 911 new positions and closed 681 in Q1 2026.
  • Marshall Wace's portfolio value fell 8.6% quarter-over-quarter to $100B.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.