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Marshall Wace

Marshall Wace Portfolio holdings

AUM $100B
1-Year Est. Return 35.1%
This Fund
S&P 500
This Quarter Est. Return
+0.56%
1 Year Est. Return
+35.1%
3 Year Est. Return
+111.04%
5 Year Est. Return
+146.93%
10 Year Est. Return
+631.22%
AUM
$100B
AUM Growth
-$9.45B
Cap. Flow
-$5.83B
Cap. Flow %
-5.81%
Top 10 Hldgs %
31.76%
Holding
3,811
New
911
Increased
1,180
Reduced
974
Closed
681

Top Buys

Rank Stock Value
1
SPYM
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 Technology 19.57%
2 Consumer Discretionary 11.57%
3 Healthcare 9.79%
4 Financials 6.87%
5 Industrials 5.69%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ABNB icon
26
Airbnb
ABNB
$85.5B
$383M 0.38%
3,033,731
+2,818,583
+1,310% +$367M
AMAT icon
27
Applied Materials
AMAT
$448B
$382M 0.38%
1,118,292
+41,804
+4% +$14.1M
UNH icon
28
UnitedHealth
UNH
$396B
$382M 0.38%
1,410,334
-293,804
-17% -$87.5M
ROST icon
29
Ross Stores
ROST
$75.6B
$367M 0.37%
1,692,826
+447,810
+36% +$89.2M
GLD icon
30
PUT
SPDR Gold Trust
GLD
$132B
$366M 0.36%
850,900
+105,600
+14% +$47.3M
ALNY icon
31
Alnylam Pharmaceuticals
ALNY
$36.2B
$364M 0.36%
1,099,318
+549,396
+100% +$187M
SNDK
32
Sandisk
SNDK
$235B
$359M 0.36%
564,586
-439,114
-44% -$248M
MAR icon
33
Marriott International
MAR
$97B
$338M 0.34%
1,034,272
+988,978
+2,183% +$325M
RDDT icon
34
Reddit
RDDT
$35.8B
$336M 0.33%
2,494,274
+1,303,731
+110% +$222M
MRK icon
35
Merck
MRK
$312B
$334M 0.33%
2,778,301
-1,191,168
-30% -$138M
NFLX icon
36
Netflix
NFLX
$286B
$322M 0.32%
3,350,598
+2,223,297
+197% +$196M
GILD icon
37
Gilead Sciences
GILD
$162B
$322M 0.32%
2,310,515
+1,517,130
+191% +$212M
INTC icon
38
Intel
INTC
$530B
$320M 0.32%
7,255,124
-4,909,384
-40% -$225M
CASY icon
39
Casey's General Stores
CASY
$31.8B
$313M 0.31%
430,350
+335,669
+355% +$219M
MRVL icon
40
Marvell Technology
MRVL
$187B
$307M 0.31%
3,095,315
+1,665,536
+116% +$140M
FIVE icon
41
Five Below
FIVE
$11.3B
$305M 0.3%
1,333,917
-451,252
-25% -$94.4M
SLB icon
42
SLB Ltd
SLB
$69.7B
$305M 0.3%
5,927,507
+4,795,105
+423% +$233M
MU icon
43
Micron Technology
MU
$1.1T
$305M 0.3%
901,436
+179,020
+25% +$70.1M
SHOP icon
44
Shopify
SHOP
$160B
$302M 0.3%
2,541,886
+642,167
+34% +$84.4M
ACN icon
45
Accenture
ACN
$86.2B
$300M 0.3%
1,510,920
+1,487,482
+6,346% +$347M
ADI icon
46
Analog Devices
ADI
$186B
$299M 0.3%
938,814
+936,495
+40,384% +$298M
APH icon
47
Amphenol
APH
$194B
$295M 0.29%
2,337,310
+1,845,717
+375% +$260M
ASML icon
48
ASML
ASML
$692B
$291M 0.29%
220,573
+164,938
+296% +$226M
COF icon
49
Capital One
COF
$127B
$283M 0.28%
1,552,481
+299,452
+24% +$62.6M
XLV icon
50
PUT
State Street Health Care Select Sector SPDR ETF
XLV
$41.5B
$276M 0.27%
1,880,400
+1,461,200
+349% +$225M
1
2
3 4 5

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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 $5.83B 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 Technology at 20% of assets, up from 18% a quarter earlier, followed by Consumer Discretionary and Healthcare.

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.