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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
+486.44%
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
BGC icon
2076
BGC Group
BGC
$4.89B
$343K ﹤0.01%
35,091
-38,931
-53% -$361K
ARCO icon
2077
Arcos Dorados Holdings
ARCO
$1.74B
$343K ﹤0.01%
41,590
– –
ROG icon
2078
Rogers Corp
ROG
$2.4B
$342K ﹤0.01%
3,185
-3,409
-52% -$351K
AMPH icon
2079
Amphastar Pharmaceuticals
AMPH
$916M
$341K ﹤0.01%
17,388
-118
-0.7% -$2.89K
FELE icon
2080
Franklin Electric
FELE
$4.84B
$339K ﹤0.01%
+3,682
New +$361K
AMPL icon
2081
Amplitude
AMPL
$1.41B
$339K ﹤0.01%
49,684
+27,412
+123% +$226K
BHF icon
2082
Brighthouse Financial
BHF
$3.49B
$338K ﹤0.01%
+5,640
New +$352K
KAI icon
2083
Kadant
KAI
$3.99B
$336K ﹤0.01%
+1,149
New +$369K
KLIC icon
2084
Kulicke & Soffa
KLIC
$4.78B
$335K ﹤0.01%
5,099
-34,700
-87% -$2.2M
EE icon
2085
Excelerate Energy
EE
$1.11B
$332K ﹤0.01%
+9,947
New +$357K
REYN icon
2086
Reynolds Consumer Products
REYN
$5.59B
$332K ﹤0.01%
15,684
+1,904
+14% +$43.7K
APPN icon
2087
Appian
APPN
$2.54B
$331K ﹤0.01%
13,730
+1,996
+17% +$54.2K
IPI icon
2088
Intrepid Potash
IPI
$469M
$330K ﹤0.01%
7,718
-5,800
-43% -$208K
SLDB icon
2089
Solid Biosciences
SLDB
$826M
$328K ﹤0.01%
45,607
+15,600
+52% +$100K
KALV
2090
DELISTED
KalVista Pharmaceuticals
KALV
$328K ﹤0.01%
16,292
+369
+2% +$5.95K
AVNT icon
2091
Avient
AVNT
$4.19B
$328K ﹤0.01%
+9,027
New +$335K
CARS icon
2092
Cars.com
CARS
$689M
$327K ﹤0.01%
40,317
+1,790
+5% +$18.3K
HSHP
2093
Himalaya Shipping
HSHP
$748M
$326K ﹤0.01%
+24,489
New +$287K
CRGY icon
2094
Crescent Energy
CRGY
$3.82B
$326K ﹤0.01%
24,124
-15,343
-39% -$161K
TBCH
2095
Turtle Beach Corp
TBCH
$277M
$323K ﹤0.01%
31,822
+6,914
+28% +$85.9K
NTSK
2096
Netskope Inc
NTSK
$6.01B
$323K ﹤0.01%
+37,992
New +$472K
ACHR icon
2097
Archer Aviation
ACHR
$4.26B
$322K ﹤0.01%
62,187
+26,476
+74% +$189K
THRM icon
2098
Gentherm
THRM
$1.27B
$320K ﹤0.01%
11,535
+4,901
+74% +$160K
MITT
2099
TPG Mortgage Investment Trust
MITT
$225M
$320K ﹤0.01%
+43,721
New +$361K
EXPO icon
2100
Exponent
EXPO
$3.24B
$318K ﹤0.01%
+4,876
New +$347K
82 83
84
85 86

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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.