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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
ZS icon
801
Zscaler
ZS
$26.2B
$7.58M 0.02%
54,046
+2,203
+4% +$391K
TSEM icon
802
Tower Semiconductor
TSEM
$25.7B
$7.56M 0.02%
44,322
+41,453
+1,445% +$5.57M
NDSN icon
803
Nordson
NDSN
$17.2B
$7.56M 0.02%
28,405
+761
+3% +$210K
POOL icon
804
Pool Corp
POOL
$7.33B
$7.56M 0.02%
37,341
-6,093
-14% -$1.44M
AIZ icon
805
Assurant
AIZ
$14.6B
$7.55M 0.02%
34,654
+2,371
+7% +$541K
NLY icon
806
Annaly Capital Management
NLY
$17B
$7.53M 0.02%
356,132
+32,780
+10% +$747K
ULS icon
807
UL Solutions
ULS
$15.4B
$7.51M 0.02%
87,584
-4,597
-5% -$362K
GPI icon
808
Group 1 Automotive
GPI
$3.25B
$7.5M 0.02%
22,694
+5,465
+32% +$1.91M
ELAN icon
809
Elanco Animal Health
ELAN
$12B
$7.49M 0.02%
313,166
+15,216
+5% +$372K
SAIA icon
810
Saia
SAIA
$9.62B
$7.48M 0.02%
21,301
-1,043
-5% -$380K
EXEL icon
811
Exelixis
EXEL
$13.3B
$7.48M 0.02%
174,314
+3,488
+2% +$150K
GLPI icon
812
Gaming and Leisure Properties
GLPI
$12.8B
$7.47M 0.02%
168,339
+5,974
+4% +$277K
BLDR icon
813
Builders FirstSource
BLDR
$7.86B
$7.46M 0.02%
90,619
+17,038
+23% +$1.82M
TECK icon
814
Teck Resources
TECK
$32.5B
$7.44M 0.02%
143,968
-17,600
-11% -$942K
BROS icon
815
Dutch Bros
BROS
$7.31B
$7.39M 0.02%
145,971
-18,912
-11% -$1.03M
RUSHA icon
816
Rush Enterprises Class A
RUSHA
$6.25B
$7.38M 0.02%
111,684
-8,045
-7% -$530K
BWXT icon
817
BWX Technologies
BWXT
$15.4B
$7.38M 0.02%
36,106
+1,168
+3% +$237K
BDC icon
818
Belden
BDC
$5.07B
$7.38M 0.02%
64,269
-10,637
-14% -$1.34M
ESLT icon
819
Elbit Systems
ESLT
$40.4B
$7.34M 0.02%
8,790
-1,758
-17% -$1.35M
PIPR icon
820
Piper Sandler
PIPR
$5.09B
$7.33M 0.02%
95,755
-9,749
-9% -$800K
EPR icon
821
EPR Properties
EPR
$4.72B
$7.3M 0.02%
146,037
-10,579
-7% -$582K
WMS icon
822
Advanced Drainage Systems
WMS
$11.4B
$7.29M 0.02%
53,196
-9,330
-15% -$1.44M
EQH icon
823
Equitable Holdings
EQH
$14.2B
$7.28M 0.02%
196,239
+22,217
+13% +$952K
CCB icon
824
Coastal Financial
CCB
$662M
$7.28M 0.02%
95,647
-15,148
-14% -$1.37M
APLE icon
825
Apple Hospitality REIT
APLE
$3.82B
$7.27M 0.02%
631,698
+9,236
+1% +$112K
31 32
33
34 35

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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.