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State of Wisconsin Investment Board

State of Wisconsin Investment Board Portfolio holdings

AUM $43.7B
1-Year Est. Return 27.76%
This Fund
S&P 500
This Quarter Est. Return
-2.67%
1 Year Est. Return
+27.76%
3 Year Est. Return
+95.56%
5 Year Est. Return
+123.77%
10 Year Est. Return
+486.44%
AUM
$38.7B
AUM Growth
-$490M
Cap. Flow
+$1.41B
Cap. Flow %
3.64%
Top 10 Hldgs %
25.43%
Holding
2,386
New
123
Increased
1,235
Reduced
836
Closed
145

Top Buys

Rank Stock Value
1
RSP icon
Invesco S&P 500 Equal Weight ETF
RSP
+$795M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$386M
3
EFFE
Harbor Osmosis Emerging Markets Resource Efficient ETF
EFFE
+$105M
4
BRK.A icon
Berkshire Hathaway Class A
BRK.A
+$90.4M
5
EFFI
Harbor Osmosis International Resource Efficient ETF
EFFI
+$58.1M

Top Sells

Rank Stock Value
1
IBIT icon
iShares Bitcoin Trust
IBIT
+$322M
2
USHY icon
iShares Broad USD High Yield Corporate Bond ETF
USHY
+$85.2M
3
HEI.A icon
HEICO Corp Class A
HEI.A
+$34.6M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$26.5M
5
ALTR
Altair Engineering Inc
ALTR
+$21.6M

Sector Composition

Rank Sector Weight
1 Technology 24.98%
2 Financials 13.13%
3 Communication Services 10.56%
4 Healthcare 10.1%
5 Consumer Discretionary 9.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
XYZ
376
Block Inc
XYZ
$49.9B
$16.8M 0.04%
309,997
+4,679
+2% +$349K
ONB icon
377
Old National Bancorp
ONB
$10.4B
$16.8M 0.04%
790,949
+9,813
+1% +$221K
STZ icon
378
Constellation Brands
STZ
$23.3B
$16.7M 0.04%
91,174
+1,562
+2% +$284K
ES icon
379
Eversource Energy
ES
$27.2B
$16.7M 0.04%
268,811
+37,070
+16% +$2.21M
TSCO icon
380
Tractor Supply
TSCO
$18.8B
$16.6M 0.04%
301,453
+5,263
+2% +$288K
DXCM icon
381
DexCom
DXCM
$34.5B
$16.5M 0.04%
241,958
+7,949
+3% +$649K
DELL icon
382
Dell
DELL
$320B
$16.4M 0.04%
180,344
-20,758
-10% -$2.2M
BWIN
383
Baldwin Insurance Group
BWIN
$2.99B
$16.4M 0.04%
366,246
-2,876
-0.8% -$117K
IPG
384
DELISTED
Interpublic Group of Companies
IPG
$16.4M 0.04%
602,520
+223,297
+59% +$6.12M
CFG icon
385
Citizens Financial Group
CFG
$31.2B
$16.4M 0.04%
399,257
+49,316
+14% +$2.2M
HSY icon
386
Hershey
HSY
$37.4B
$16.3M 0.04%
95,518
+11,070
+13% +$1.81M
MTD icon
387
Mettler-Toledo International
MTD
$28.7B
$16.3M 0.04%
13,773
-66
-0.5% -$84.3K
AWK icon
388
American Water Works
AWK
$27.1B
$16.3M 0.04%
110,167
+892
+0.8% +$118K
EQR icon
389
Equity Residential
EQR
$24.7B
$16.2M 0.04%
226,355
+3,724
+2% +$263K
IRM icon
390
Iron Mountain
IRM
$37.7B
$16.2M 0.04%
187,787
+9,159
+5% +$883K
NRG icon
391
NRG Energy
NRG
$25.2B
$16.1M 0.04%
168,994
+37,715
+29% +$3.81M
ATR icon
392
AptarGroup
ATR
$8.43B
$16.1M 0.04%
108,561
+99
+0.1% +$14.9K
SE icon
393
Sea Limited
SE
$75.5B
$16.1M 0.04%
123,428
-17,300
-12% -$2.15M
BR icon
394
Broadridge
BR
$19.6B
$16.1M 0.04%
66,306
-4,883
-7% -$1.15M
EXPE icon
395
Expedia Group
EXPE
$39.4B
$16.1M 0.04%
95,569
+11,743
+14% +$2.14M
RBLX icon
396
Roblox
RBLX
$27.1B
$16M 0.04%
273,692
+6,609
+2% +$415K
DOV icon
397
Dover
DOV
$27.8B
$15.9M 0.04%
90,706
+6,150
+7% +$1.18M
MPWR icon
398
Monolithic Power Systems
MPWR
$67B
$15.9M 0.04%
27,465
+580
+2% +$365K
CRTO icon
399
Criteo S.A. Ordinary Shares
CRTO
$915M
$15.9M 0.04%
449,705
+9,681
+2% +$376K
X
400
DELISTED
US Steel
X
$15.9M 0.04%
375,580
-30,232
-7% -$1.14M
14 15
16
17 18

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State of Wisconsin Investment Board's Q1 2025 Portfolio in Review

As of Q1 2025, State of Wisconsin Investment Board held 2,386 positions worth $38.7B, down 1.2% from $39.2B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

State of Wisconsin Investment Board deployed $1.41B of net new capital in Q1 2025, opening 123 new positions and adding to 1,235 existing holdings. Its largest new stake was Harbor Osmosis Emerging Markets Resource Efficient ETF: 5,140,000 shares worth $106M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 28% a quarter earlier, followed by Financials and Communication Services.

On the sell side, the largest reduction was HEICO Corp Class A, an estimated $34.6M trimmed.

  • State of Wisconsin Investment Board's largest Q1 2025 buy was Harbor Osmosis Emerging Markets Resource Efficient ETF: 5,140,000 shares worth $106M.
  • State of Wisconsin Investment Board added most to Invesco S&P 500 Equal Weight ETF in Q1 2025, an estimated $795M increase.
  • State of Wisconsin Investment Board's biggest Q1 2025 reduction was HEICO Corp Class A, cutting an estimated $34.6M.
  • State of Wisconsin Investment Board fully exited iShares Bitcoin Trust in Q1 2025, selling an estimated $322M.
  • State of Wisconsin Investment Board's ten largest holdings make up 25% of its $38.7B portfolio in Q1 2025.
  • State of Wisconsin Investment Board opened 123 new positions and closed 145 in Q1 2025.
  • State of Wisconsin Investment Board's portfolio value fell 1.2% quarter-over-quarter to $38.7B.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2025, filed 15 May 2025.