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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
NJR icon
1176
New Jersey Resources
NJR
$5.58B
$2.94M 0.01%
53,512
-6,635
-11% -$343K
BOW
1177
Bowhead Specialty Holdings
BOW
$1.1B
$2.93M 0.01%
130,832
-12,366
-9% -$300K
RYAN icon
1178
Ryan Specialty Holdings
RYAN
$5.55B
$2.93M 0.01%
86,695
+80,737
+1,355% +$3.45M
MNDY icon
1179
monday.com
MNDY
$3.94B
$2.92M 0.01%
42,300
+27,200
+180% +$2.61M
PRMB
1180
Primo Brands
PRMB
$8.54B
$2.91M 0.01%
154,672
-33,285
-18% -$643K
BLBD icon
1181
Blue Bird Corp
BLBD
$2.18B
$2.91M 0.01%
51,190
+3,959
+8% +$214K
CPRX
1182
DELISTED
Catalyst Pharmaceutical
CPRX
$2.9M 0.01%
117,296
-4,123
-3% -$98.2K
HOG icon
1183
Harley-Davidson
HOG
$2.71B
$2.9M 0.01%
143,495
+101,846
+245% +$2M
GPK icon
1184
Graphic Packaging
GPK
$3.58B
$2.9M 0.01%
291,696
-176,425
-38% -$2.22M
IPAR icon
1185
Interparfums
IPAR
$3.94B
$2.89M 0.01%
31,808
-13,462
-30% -$1.28M
RSI icon
1186
Rush Street Interactive
RSI
$2.88B
$2.88M 0.01%
132,301
+10,902
+9% +$209K
GTLB icon
1187
GitLab
GTLB
$6.58B
$2.88M 0.01%
132,966
-17,612
-12% -$514K
OKLO
1188
Oklo
OKLO
$8.42B
$2.86M 0.01%
57,723
-77
-0.1% -$5.54K
ASIC
1189
Ategrity Specialty Insurance
ASIC
$1.19B
$2.83M 0.01%
143,289
-14,312
-9% -$277K
GAP
1190
The Gap Inc
GAP
$7.37B
$2.83M 0.01%
116,932
+1,089
+0.9% +$28.8K
BKH icon
1191
Black Hills Corp
BKH
$5.68B
$2.83M 0.01%
40,726
-8,119
-17% -$584K
PRG icon
1192
PROG Holdings
PRG
$1.71B
$2.82M 0.01%
98,251
+13,973
+17% +$451K
VVV icon
1193
Valvoline
VVV
$4.51B
$2.8M 0.01%
83,058
+18,684
+29% +$646K
LAMR icon
1194
Lamar Advertising Co
LAMR
$16.3B
$2.78M 0.01%
21,945
+1,849
+9% +$242K
AII
1195
American Integrity Insurance
AII
$411M
$2.78M 0.01%
144,157
-14,402
-9% -$274K
CALX icon
1196
Calix
CALX
$2.39B
$2.77M 0.01%
56,608
-15,169
-21% -$796K
SYNA icon
1197
Synaptics
SYNA
$4.15B
$2.77M 0.01%
39,480
+24,913
+171% +$2.02M
HAE icon
1198
Haemonetics
HAE
$4B
$2.76M 0.01%
49,015
-3,198
-6% -$208K
BBWI icon
1199
Bath & Body Works
BBWI
$4.1B
$2.75M 0.01%
147,256
+54,210
+58% +$1.17M
FCN icon
1200
FTI Consulting
FCN
$4.18B
$2.74M 0.01%
15,481
-803
-5% -$137K
46 47
48
49 50

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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.