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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
BTSG icon
851
BrightSpring Health Services
BTSG
$12B
$6.91M 0.02%
162,189
+8,115
+5% +$327K
BMRN icon
852
BioMarin Pharmaceuticals
BMRN
$11.9B
$6.89M 0.02%
121,987
+4,244
+4% +$247K
CUZ icon
853
Cousins Properties
CUZ
$4.91B
$6.89M 0.02%
305,142
-32,297
-10% -$783K
HAPN
854
Happen Inc
HAPN
$2.3B
$6.87M 0.02%
479,737
+127,739
+36% +$2.14M
DKS icon
855
Dick's Sporting Goods
DKS
$17.8B
$6.86M 0.02%
34,619
+345
+1% +$70K
PECO icon
856
Phillips Edison & Co
PECO
$5.24B
$6.86M 0.02%
183,348
-9,477
-5% -$352K
MKC icon
857
McCormick & Company Non-Voting
MKC
$14B
$6.84M 0.02%
135,538
+4,632
+4% +$295K
RKT icon
858
Rocket Companies
RKT
$37.4B
$6.83M 0.02%
478,989
-56,258
-11% -$1.02M
AXSM icon
859
Axsome Therapeutics
AXSM
$10.8B
$6.83M 0.02%
40,381
+13,778
+52% +$2.38M
SEIC icon
860
SEI Investments
SEIC
$12.6B
$6.81M 0.02%
86,845
-1,595
-2% -$131K
SITM icon
861
SiTime
SITM
$20.7B
$6.79M 0.02%
19,664
-837
-4% -$308K
ALLE icon
862
Allegion
ALLE
$14.3B
$6.78M 0.02%
46,672
+1,867
+4% +$298K
CLX icon
863
Clorox
CLX
$12.7B
$6.77M 0.02%
65,298
+2,262
+4% +$256K
ALSN icon
864
Allison Transmission
ALSN
$9.62B
$6.76M 0.02%
57,737
+14,839
+35% +$1.69M
WEX icon
865
WEX
WEX
$6.45B
$6.72M 0.02%
43,912
-7,997
-15% -$1.25M
FND icon
866
Floor & Decor
FND
$6.38B
$6.71M 0.02%
132,011
-1,235
-0.9% -$80.4K
BBIO icon
867
BridgeBio Pharma
BBIO
$16.2B
$6.69M 0.02%
90,076
-1,327
-1% -$96.2K
HG icon
868
Hamilton Insurance Group
HG
$3.52B
$6.66M 0.02%
223,318
+14,430
+7% +$416K
MAC icon
869
Macerich
MAC
$6.73B
$6.66M 0.02%
352,235
-21,289
-6% -$403K
RPM icon
870
RPM International
RPM
$14.8B
$6.64M 0.02%
66,778
+2,244
+3% +$242K
WSO icon
871
Watsco Inc
WSO
$13.3B
$6.62M 0.02%
18,208
-4,947
-21% -$1.92M
HTO
872
H2O America
HTO
$2.58B
$6.6M 0.02%
112,568
+95,241
+550% +$5.18M
HL icon
873
Hecla Mining
HL
$10.7B
$6.6M 0.02%
354,433
+30,927
+10% +$696K
ZIM icon
874
ZIM Integrated Shipping Services
ZIM
$3.18B
$6.58M 0.02%
+249,821
New +$6.22M
AFRM icon
875
Affirm
AFRM
$25.7B
$6.57M 0.02%
143,330
+6,954
+5% +$402K
33 34
35
36 37

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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.