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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
FNF icon
651
Fidelity National Financial
FNF
$13.8B
$10.3M 0.02%
221,603
-5,396
-2% -$280K
SMTC icon
652
Semtech
SMTC
$11.3B
$10.2M 0.02%
132,249
-22,413
-14% -$1.84M
GH icon
653
Guardant Health
GH
$21.9B
$10.2M 0.02%
110,062
-5,107
-4% -$513K
TWLO icon
654
Twilio
TWLO
$29.3B
$10.2M 0.02%
80,687
-13,452
-14% -$1.65M
RPRX icon
655
Royalty Pharma
RPRX
$25.6B
$10.2M 0.02%
211,628
+4,677
+2% +$205K
SNA icon
656
Snap-on
SNA
$21.7B
$10.1M 0.02%
27,849
-579
-2% -$215K
ASH icon
657
Ashland
ASH
$3.28B
$10.1M 0.02%
181,419
-3,338
-2% -$198K
FLS icon
658
Flowserve
FLS
$10B
$10.1M 0.02%
137,117
-5,623
-4% -$445K
CAE icon
659
CAE Inc. Common Shares
CAE
$8.62B
$10.1M 0.02%
387,484
-133,200
-26% -$4.03M
R icon
660
Ryder
R
$10.2B
$10M 0.02%
48,930
-2,933
-6% -$593K
CHTR icon
661
Charter Communications
CHTR
$18.3B
$9.97M 0.02%
46,179
+120
+0.3% +$26K
ALAB icon
662
Astera Labs
ALAB
$54.6B
$9.95M 0.02%
90,819
+15,041
+20% +$2.14M
SUI icon
663
Sun Communities
SUI
$14.7B
$9.89M 0.02%
78,516
-12,891
-14% -$1.67M
FTS icon
664
Fortis
FTS
$28.8B
$9.86M 0.02%
177,374
+900
+0.5% +$49.4K
SJM icon
665
J.M. Smucker
SJM
$12.7B
$9.83M 0.02%
101,954
+38,342
+60% +$4.01M
PCOR icon
666
Procore
PCOR
$8.46B
$9.83M 0.02%
172,497
-9,311
-5% -$551K
ILMN icon
667
Illumina
ILMN
$30.2B
$9.82M 0.02%
79,669
+2,254
+3% +$296K
HOLX
668
DELISTED
Hologic
HOLX
$9.82M 0.02%
129,901
-39,003
-23% -$2.93M
NCLH icon
669
Norwegian Cruise Line
NCLH
$9.32B
$9.8M 0.02%
524,246
-2,856
-0.5% -$62.4K
EL icon
670
Estee Lauder
EL
$31.5B
$9.8M 0.02%
136,577
+1,343
+1% +$137K
KFY icon
671
Korn Ferry
KFY
$4.25B
$9.79M 0.02%
155,503
-13,038
-8% -$842K
BLD
672
DELISTED
TopBuild
BLD
$9.75M 0.02%
27,765
-1,308
-4% -$586K
HSIC icon
673
Henry Schein
HSIC
$9.98B
$9.74M 0.02%
132,151
-648
-0.5% -$50.1K
ASTS icon
674
AST SpaceMobile
ASTS
$20.4B
$9.72M 0.02%
117,293
-11,842
-9% -$1.12M
CDP icon
675
COPT Defense Properties
CDP
$4.24B
$9.69M 0.02%
316,764
-26,571
-8% -$827K
25 26
27
28 29

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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.