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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
NSIT icon
1426
Insight Enterprises
NSIT
$4.51B
$1.52M ﹤0.01%
22,667
+736
+3% +$60.2K
CON
1427
Concentra Group Holdings
CON
$4.36B
$1.51M ﹤0.01%
70,432
-673
-0.9% -$15K
ADMA icon
1428
ADMA Biologics
ADMA
$2.22B
$1.49M ﹤0.01%
165,383
+4,275
+3% +$67.5K
CALM icon
1429
Cal-Maine
CALM
$3.99B
$1.49M ﹤0.01%
18,794
-4,300
-19% -$353K
CMRE icon
1430
Costamare
CMRE
$1.77B
$1.49M ﹤0.01%
87,969
+41,900
+91% +$695K
BFAM icon
1431
Bright Horizons
BFAM
$3.86B
$1.48M ﹤0.01%
18,063
+1,183
+7% +$99.6K
VCYT icon
1432
Veracyte
VCYT
$3.8B
$1.48M ﹤0.01%
45,882
-322
-0.7% -$11.9K
HR icon
1433
Healthcare Realty
HR
$6.84B
$1.46M ﹤0.01%
86,196
+9,432
+12% +$165K
INDI icon
1434
indie Semiconductor
INDI
$854M
$1.46M ﹤0.01%
454,609
-36,482
-7% -$129K
PRM icon
1435
Perimeter Solutions
PRM
$5.77B
$1.46M ﹤0.01%
59,782
+17,669
+42% +$451K
LNC icon
1436
Lincoln National
LNC
$8.81B
$1.46M ﹤0.01%
41,102
+10,978
+36% +$422K
LGN
1437
Legence Corp
LGN
$4.95B
$1.46M ﹤0.01%
+25,810
New +$1.3M
CBL
1438
CBL Properties
CBL
$1.75B
$1.45M ﹤0.01%
37,831
-24,815
-40% -$920K
DOLE icon
1439
Dole
DOLE
$1.32B
$1.45M ﹤0.01%
101,429
+19,700
+24% +$299K
DHC
1440
Diversified Healthcare Trust
DHC
$2.14B
$1.45M ﹤0.01%
217,810
-29,916
-12% -$190K
IDYA icon
1441
IDEAYA Biosciences
IDYA
$3.56B
$1.43M ﹤0.01%
42,979
-117
-0.3% -$3.92K
MSGS icon
1442
Madison Square Garden
MSGS
$9.39B
$1.43M ﹤0.01%
4,453
-172
-4% -$51.3K
PLGO
1443
Pelagos Insurance Capital
PLGO
$2.14B
$1.43M ﹤0.01%
74,674
– –
AVA icon
1444
Avista
AVA
$3.24B
$1.42M ﹤0.01%
35,356
-10,839
-23% -$438K
MIDD icon
1445
Middleby
MIDD
$6.08B
$1.41M ﹤0.01%
10,665
+2,833
+36% +$430K
SHAK icon
1446
Shake Shack
SHAK
$2.87B
$1.41M ﹤0.01%
15,911
+5,702
+56% +$525K
CCOI icon
1447
Cogent Communications
CCOI
$497M
$1.4M ﹤0.01%
74,454
-700
-0.9% -$15.4K
TEX icon
1448
Terex
TEX
$7.74B
$1.4M ﹤0.01%
+23,649
New +$1.46M
KTB icon
1449
Kontoor Brands
KTB
$4.26B
$1.4M ﹤0.01%
19,860
+763
+4% +$50K
SNEX icon
1450
StoneX
SNEX
$7.94B
$1.39M ﹤0.01%
25,778
-2,286
-8% -$116K
56 57
58
59 60

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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.