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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
XYZ icon
3751
CALL
Block Inc
XYZ
$48B
– –
-200
Closed -$13K –
TIC icon
3752
TIC Solutions Inc
TIC
$1.89B
– –
-17,700
Closed -$179K –
JFB
3753
DELISTED
JFB Construction Holdings
JFB
– –
-82,576
Closed -$604K –
WHWK icon
3754
Whitehawk Therapeutics
WHWK
$173M
– –
-67,959
Closed -$164K –
DVS
3755
DELISTED
Dolly Varden Silver Corp
DVS
– –
-217,912
Closed -$961K –
AHL
3756
DELISTED
Aspen Insurance
AHL
– –
-312,368
Closed -$11.6M –
OMSE icon
3757
OMS Energy Technologies
OMSE
$172M
– –
-35,108
Closed -$154K –
EMA icon
3758
Emera Inc
EMA
$14.5B
– –
-8,146
Closed -$401K –
OMDA icon
3759
Omada Health Inc
OMDA
$1.14B
– –
-218,126
Closed -$3.44M –
SVIA icon
3760
Silvia, Inc. Common Stock
SVIA
$344M
– –
-80,316
Closed -$284K –
CAI icon
3761
Caris Life Sciences
CAI
$8.98B
– –
-1,002,734
Closed -$27.1M –
SLDE icon
3762
Slide Insurance Holdings
SLDE
$3.1B
– –
-526,847
Closed -$10.3M –
VWAV
3763
VisionWave Holdings
VWAV
$9.52M
– –
-629
Closed -$117K –
BLUW icon
3764
Blue Water Acquisition Corp III
BLUW
$335M
– –
-150,000
Closed -$1.55M –
LBRX icon
3765
LB Pharmaceuticals
LBRX
$1.18B
– –
-18,014
Closed -$401K –
KRSP.U icon
3766
Rice Acquisition Corp 3 Units
KRSP.U
– –
-234,183
Closed -$2.46M –
TCGL
3767
DELISTED
TechCreate Group Ltd
TCGL
– –
-49,501
Closed -$257K –
MPLT icon
3768
MapLight Therapeutics
MPLT
$446M
– –
-39,659
Closed -$697K –
BLLN icon
3769
BillionToOne Inc
BLLN
$4.85B
– –
-20,902
Closed -$1.71M –
SOMN icon
3770
The Southern Company 2025 Series A Corp Units
SOMN
– –
-50,000
Closed -$2.49M –
GLOO icon
3771
Gloo Holdings Inc
GLOO
$298M
– –
-30,357
Closed -$173K –
ELE icon
3772
Elemental Royalty Corp
ELE
$1.29B
– –
-308,954
Closed -$5.24M –
GPACU icon
3773
General Purpose Acquisition Corp Units
GPACU
$210M
– –
-200,000
Closed -$2M –
AEAQU icon
3774
Activate Energy Acquisition Corp Unit
AEAQU
– –
-250,000
Closed -$2.5M –
SAC.U icon
3775
Safeguard Acquisition Corp Units
SAC.U
– –
-200,000
Closed -$2.02M –
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.