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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
-0.92%
1 Year Est. Return
+27.76%
3 Year Est. Return
+95.56%
5 Year Est. Return
+123.77%
10 Year Est. Return
+486.42%
AUM
$43.7B
AUM Growth
-$1.04B
Cap. Flow
+$646M
Cap. Flow %
1.48%
Top 10 Hldgs %
26.7%
Holding
2,643
New
278
Increased
1,112
Reduced
954
Closed
152

Top Buys

Rank Stock Value
1
HEI.A icon
HEICO Corp Class A
HEI.A
+$108M
2
Z icon
Zillow
Z
+$106M
3
CCOM
Simplify Chinese Commodities Strategy No K-1 ETF
CCOM
+$104M
4
AZN icon
AstraZeneca
AZN
+$96.2M
5
NVDA icon
NVIDIA
NVDA
+$77.9M

Top Sells

Rank Stock Value
1
RSP icon
Invesco S&P 500 Equal Weight ETF
RSP
+$374M
2
XRT icon
State Street SPDR S&P Retail ETF
XRT
+$54M
3
JAAA icon
Janus Henderson AAA CLO ETF
JAAA
+$50.6M
4
BIP icon
Brookfield Infrastructure Partners
BIP
+$43.5M
5
ZG icon
Zillow
ZG
+$40.6M

Sector Composition

Rank Sector Weight
1 Technology 25.53%
2 Financials 12.43%
3 Communication Services 9.92%
4 Industrials 9.52%
5 Consumer Discretionary 8.86%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CEG icon
151
Constellation Energy
CEG
$97.7B
$49.5M 0.11%
177,083
+971
+0.6% +$295K
PWR icon
152
Quanta Services
PWR
$102B
$49.4M 0.11%
89,988
+2,641
+3% +$1.36M
VLO icon
153
Valero Energy
VLO
$88.5B
$49.1M 0.11%
198,533
-38,661
-16% -$7.97M
ICE icon
154
Intercontinental Exchange
ICE
$85.2B
$49M 0.11%
311,316
+14,430
+5% +$2.35M
USB icon
155
US Bancorp
USB
$99.6B
$47.7M 0.11%
917,406
+57,859
+7% +$3.18M
GEM icon
156
Goldman Sachs ActiveBeta Emerging Markets Equity ETF
GEM
$1.68B
$47.2M 0.11%
1,091,863
– –
HCA icon
157
HCA Healthcare
HCA
$88B
$46.7M 0.11%
98,609
+3,926
+4% +$1.98M
SPY icon
158
State Street SPDR S&P 500 ETF Trust
SPY
$806B
$46.5M 0.11%
71,576
+12,226
+21% +$8.31M
SHOP icon
159
Shopify
SHOP
$152B
$45.6M 0.1%
385,530
-54,300
-12% -$7.13M
MRSH
160
Marsh
MRSH
$92B
$45.5M 0.1%
262,462
+7,436
+3% +$1.34M
BX icon
161
Blackstone
BX
$108B
$45.5M 0.1%
395,464
+13,558
+4% +$1.76M
FCX icon
162
Freeport-McMoran
FCX
$91.5B
$45.2M 0.1%
768,994
+25,076
+3% +$1.52M
PNC icon
163
PNC Financial Services
PNC
$100B
$45.1M 0.1%
216,803
+691
+0.3% +$150K
BNY
164
Bank of New York Mellon
BNY
$106B
$45.1M 0.1%
380,238
+4,132
+1% +$491K
JCI icon
165
Johnson Controls International
JCI
$88.7B
$44.9M 0.1%
343,131
-13,742
-4% -$1.78M
ORLY icon
166
O'Reilly Automotive
ORLY
$73.3B
$44.9M 0.1%
486,487
+15,426
+3% +$1.45M
UBS icon
167
UBS Group
UBS
$173B
$44.5M 0.1%
1,164,155
-95,930
-8% -$4.11M
ADP icon
168
Automatic Data Processing
ADP
$107B
$44M 0.1%
216,549
+6,662
+3% +$1.53M
MDLZ icon
169
Mondelez International
MDLZ
$78.8B
$43.8M 0.1%
760,373
-38,853
-5% -$2.25M
MRVL icon
170
Marvell Technology
MRVL
$174B
$43.8M 0.1%
442,199
-28,822
-6% -$2.42M
MELI icon
171
Mercado Libre
MELI
$96.3B
$43.7M 0.1%
25,269
+1,191
+5% +$2.3M
SHW icon
172
Sherwin-Williams
SHW
$86B
$43.5M 0.1%
135,663
+3,523
+3% +$1.21M
AMT icon
173
American Tower
AMT
$80.6B
$43.3M 0.1%
250,695
+8,120
+3% +$1.46M
CMI icon
174
Cummins
CMI
$89.5B
$43.2M 0.1%
80,303
+3,792
+5% +$2.15M
CSX icon
175
CSX Corp
CSX
$92.3B
$43.1M 0.1%
1,050,331
-37,773
-3% -$1.48M
5 6
7
8 9

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State of Wisconsin Investment Board's Q1 2026 Portfolio in Review

As of Q1 2026, State of Wisconsin Investment Board held 2,643 positions worth $43.7B, down 2.3% from $44.7B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

State of Wisconsin Investment Board's Q1 2026 filing shows 278 new, 1,112 increased, 954 reduced and 152 closed positions. Its largest new stake was Simplify Chinese Commodities Strategy No K-1 ETF: 4,202,200 shares worth $104M. The largest sale was Invesco S&P 500 Equal Weight ETF, an estimated $374M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 27% a quarter earlier, followed by Financials and Communication Services.

  • State of Wisconsin Investment Board's largest Q1 2026 buy was Simplify Chinese Commodities Strategy No K-1 ETF: 4,202,200 shares worth $104M.
  • State of Wisconsin Investment Board added most to HEICO Corp Class A in Q1 2026, an estimated $108M increase.
  • State of Wisconsin Investment Board's biggest Q1 2026 reduction was Invesco S&P 500 Equal Weight ETF, cutting an estimated $374M.
  • State of Wisconsin Investment Board fully exited State Street SPDR S&P Retail ETF in Q1 2026, selling an estimated $54M.
  • State of Wisconsin Investment Board's ten largest holdings make up 27% of its $43.7B portfolio in Q1 2026.
  • State of Wisconsin Investment Board opened 278 new positions and closed 152 in Q1 2026.
  • State of Wisconsin Investment Board's portfolio value fell 2.3% quarter-over-quarter to $43.7B.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.