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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
RY icon
101
Royal Bank of Canada
RY
$292B
$71.2M 0.16%
442,081
-71,800
-14% -$12M
LOW icon
102
Lowe's Companies
LOW
$119B
$71M 0.16%
300,394
+9,848
+3% +$2.57M
LMT icon
103
Lockheed Martin
LMT
$135B
$67.4M 0.15%
111,439
+2,656
+2% +$1.64M
PLD icon
104
Prologis
PLD
$135B
$67.3M 0.15%
508,787
+27,772
+6% +$3.71M
ACN icon
105
Accenture
ACN
$101B
$66.9M 0.15%
337,427
+8,028
+2% +$1.87M
MCK icon
106
McKesson
MCK
$96.8B
$66.8M 0.15%
77,208
+3,736
+5% +$3.33M
BMY icon
107
Bristol-Myers Squibb
BMY
$134B
$66.4M 0.15%
1,095,622
+28,096
+3% +$1.64M
INTU icon
108
Intuit
INTU
$87.1B
$66.3M 0.15%
153,242
+8,777
+6% +$4.19M
CB icon
109
Chubb
CB
$134B
$65.9M 0.15%
202,064
+2,598
+1% +$834K
COF icon
110
Capital One
COF
$134B
$65.7M 0.15%
360,170
+25,990
+8% +$5.44M
NSC icon
111
Norfolk Southern
NSC
$75.6B
$65.2M 0.15%
227,101
+110,823
+95% +$32.9M
DHR icon
112
Danaher
DHR
$139B
$64.8M 0.15%
341,842
+5,266
+2% +$1.12M
MUB icon
113
iShares National Muni Bond ETF
MUB
$45.2B
$64.5M 0.15%
607,800
– –
SYK icon
114
Stryker
SYK
$131B
$62.7M 0.14%
190,919
+5,531
+3% +$1.99M
PGR icon
115
Progressive
PGR
$122B
$62.7M 0.14%
316,410
+10,480
+3% +$2.16M
PH icon
116
Parker-Hannifin
PH
$126B
$61.8M 0.14%
68,976
+2,006
+3% +$1.9M
VRTX icon
117
Vertex Pharmaceuticals
VRTX
$119B
$61M 0.14%
136,548
-1,361
-1% -$635K
MDT icon
118
Medtronic
MDT
$111B
$60.3M 0.14%
695,643
+21,657
+3% +$2.07M
WDC icon
119
Western Digital
WDC
$182B
$60.1M 0.14%
222,130
-4,836
-2% -$1.26M
TTE icon
120
TotalEnergies
TTE
$193B
$59.9M 0.14%
642,500
-54,036
-8% -$4.13M
NOW icon
121
ServiceNow
NOW
$118B
$59.9M 0.14%
572,852
+34,049
+6% +$4.01M
EMXC icon
122
iShares MSCI Emerging Markets ex China ETF
EMXC
$23.6B
$59.9M 0.14%
761,242
– –
MO icon
123
Altria Group
MO
$114B
$59.3M 0.14%
898,932
+28,430
+3% +$1.83M
GLW icon
124
Corning
GLW
$126B
$59.2M 0.14%
435,723
+2,083
+0.5% +$251K
WBD icon
125
Warner Bros
WBD
$65.4B
$58.7M 0.13%
2,138,734
+779,800
+57% +$21.8M
3 4
5
6 7

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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.