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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
FANG icon
351
Diamondback Energy
FANG
$52.7B
$19.7M 0.05%
99,842
+2,419
+2% +$411K
GEHC icon
352
GE HealthCare
GEHC
$31.7B
$19.6M 0.04%
275,376
+27,424
+11% +$2.16M
CCI icon
353
Crown Castle
CCI
$32.6B
$19.6M 0.04%
240,805
+15,385
+7% +$1.32M
TTWO icon
354
Take-Two Interactive
TTWO
$44.4B
$19.5M 0.04%
98,797
+3,383
+4% +$736K
CHD icon
355
Church & Dwight Co
CHD
$24.5B
$19.5M 0.04%
208,535
-19,687
-9% -$1.89M
ADM icon
356
Archer Daniels Midland
ADM
$37.6B
$19.4M 0.04%
267,069
-37,481
-12% -$2.53M
SF
357
Stifel
SF
$12.8B
$19.4M 0.04%
262,517
-18,396
-7% -$1.46M
NRG icon
358
NRG Energy
NRG
$25.4B
$19.4M 0.04%
132,732
+28,774
+28% +$4.53M
CENTA icon
359
Central Garden & Pet Co Class A
CENTA
$2.47B
$19.4M 0.04%
597,204
-33,318
-5% -$1.06M
IBKR icon
360
Interactive Brokers
IBKR
$39.7B
$19.4M 0.04%
288,573
+20,193
+8% +$1.44M
DB icon
361
Deutsche Bank
DB
$72.1B
$19.3M 0.04%
668,198
-99,340
-13% -$3.5M
ITT icon
362
ITT
ITT
$20.2B
$19.3M 0.04%
101,170
-1,053
-1% -$200K
FISV
363
Fiserv Inc
FISV
$26.6B
$19.3M 0.04%
345,028
+63,657
+23% +$3.94M
DTE icon
364
DTE Energy
DTE
$29.1B
$19.1M 0.04%
130,823
+2,851
+2% +$401K
MLM icon
365
Martin Marietta Materials
MLM
$32.8B
$19M 0.04%
32,295
+1,049
+3% +$669K
HAL icon
366
Halliburton
HAL
$26.9B
$18.9M 0.04%
485,993
+6,688
+1% +$231K
CNP icon
367
CenterPoint Energy
CNP
$26.8B
$18.9M 0.04%
436,905
+57,982
+15% +$2.39M
HSY icon
368
Hershey
HSY
$36.4B
$18.7M 0.04%
90,150
+1,148
+1% +$242K
NXT icon
369
Nextpower Inc
NXT
$14.9B
$18.7M 0.04%
155,404
-7,769
-5% -$861K
WPM icon
370
Wheaton Precious Metals
WPM
$56.1B
$18.7M 0.04%
143,106
-16,200
-10% -$2.25M
WTFC icon
371
Wintrust Financial
WTFC
$10.9B
$18.7M 0.04%
134,767
-9,376
-7% -$1.36M
INSM icon
372
Insmed
INSM
$29.4B
$18.7M 0.04%
114,346
-17,278
-13% -$2.66M
MCHP icon
373
Microchip Technology
MCHP
$42.3B
$18.7M 0.04%
289,389
-15,036
-5% -$1.08M
AXON
374
Axon Enterprise
AXON
$46.8B
$18.7M 0.04%
43,926
+5,227
+14% +$2.72M
WWD icon
375
Woodward
WWD
$22.4B
$18.6M 0.04%
52,005
-108
-0.2% -$38.9K
13 14
15
16 17

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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.