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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
OFRM
1251
Once Upon a Farm PBC
OFRM
$751M
$2.38M 0.01%
+145,400
New +$2.99M
ARQT icon
1252
Arcutis Biotherapeutics
ARQT
$3.18B
$2.38M 0.01%
100,902
+1,655
+2% +$42.2K
CRNX icon
1253
Crinetics Pharmaceuticals
CRNX
$8.92B
$2.37M 0.01%
65,232
+9,671
+17% +$432K
COHU icon
1254
Cohu
COHU
$2.5B
$2.36M 0.01%
77,023
-65,088
-46% -$1.91M
TENB icon
1255
Tenable Holdings
TENB
$4.01B
$2.35M 0.01%
138,649
-7,400
-5% -$155K
TTAN
1256
ServiceTitan Inc
TTAN
$8.19B
$2.34M 0.01%
36,912
+20,562
+126% +$1.59M
HLIO icon
1257
Helios Technologies
HLIO
$2.76B
$2.32M 0.01%
35,854
-1,833
-5% -$123K
AZTA icon
1258
Azenta
AZTA
$1.48B
$2.31M 0.01%
109,372
+45,469
+71% +$1.36M
LQDA icon
1259
Liquidia Corp
LQDA
$8.02B
$2.3M 0.01%
61,019
-1,176
-2% -$43.6K
AEIS icon
1260
Advanced Energy
AEIS
$13B
$2.3M 0.01%
7,134
+5,090
+249% +$1.48M
AL
1261
DELISTED
Air Lease Corp
AL
$2.29M 0.01%
35,279
+29,454
+506% +$1.9M
SXI icon
1262
Standex International
SXI
$4.12B
$2.29M 0.01%
+8,981
New +$2.25M
HLI icon
1263
Houlihan Lokey
HLI
$9.02B
$2.29M 0.01%
15,922
+5,496
+53% +$904K
PPTA
1264
Perpetua Resources
PPTA
$3.09B
$2.28M 0.01%
81,108
+69,464
+597% +$2.1M
BOX icon
1265
Box
BOX
$4.6B
$2.28M 0.01%
96,259
+9,401
+11% +$237K
PENN icon
1266
PENN Entertainment
PENN
$2.7B
$2.27M 0.01%
151,292
-29,573
-16% -$411K
SAIC icon
1267
Saic
SAIC
$5.35B
$2.26M 0.01%
23,852
-59
-0.2% -$5.78K
BLFS icon
1268
BioLife Solutions
BLFS
$1.69B
$2.26M 0.01%
118,645
+20,432
+21% +$452K
MICC
1269
The Magnum Ice Cream Company N.V.
MICC
$11.8B
$2.26M 0.01%
154,496
-174,313
-53% -$2.82M
BEPC icon
1270
Brookfield Renewable
BEPC
$6.26B
$2.26M 0.01%
56,945
-30,000
-35% -$1.22M
CWEN icon
1271
Clearway Energy Class C
CWEN
$6.7B
$2.25M 0.01%
57,200
+9,531
+20% +$356K
SKYW icon
1272
Skywest
SKYW
$4.34B
$2.24M 0.01%
24,402
-1,879
-7% -$185K
IMAX icon
1273
IMAX
IMAX
$2.66B
$2.24M 0.01%
58,875
+8,763
+17% +$326K
INBK icon
1274
First Internet Bancorp
INBK
$255M
$2.24M 0.01%
109,716
-23,868
-18% -$499K
LEVI icon
1275
Levi Strauss
LEVI
$9.39B
$2.23M 0.01%
120,517
-7,015
-6% -$144K
49 50
51
52 53

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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.