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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
MYRG icon
1726
MYR Group
MYRG
$5.25B
$740K ﹤0.01%
+2,622
New +$681K
MCRI icon
1727
Monarch Casino & Resort
MCRI
$2.23B
$740K ﹤0.01%
7,743
+2,379
+44% +$226K
PVLA
1728
Palvella Therapeutics
PVLA
$2.27B
$739K ﹤0.01%
5,929
+1,416
+31% +$148K
PRCH icon
1729
Porch Group
PRCH
$1.8B
$735K ﹤0.01%
102,576
-71,615
-41% -$572K
MYE icon
1730
Myers Industries
MYE
$1.29B
$734K ﹤0.01%
34,633
– –
CLMT icon
1731
Calumet Specialty Products
CLMT
$3.44B
$732K ﹤0.01%
20,402
+3,542
+21% +$91.7K
RCKY icon
1732
Rocky Brands
RCKY
$369M
$730K ﹤0.01%
18,850
-412
-2% -$15K
RNGR icon
1733
Ranger Energy Services
RNGR
$377M
$728K ﹤0.01%
42,473
-15,600
-27% -$253K
WWW icon
1734
Wolverine World Wide
WWW
$1.55B
$727K ﹤0.01%
44,577
-29,158
-40% -$514K
RHI icon
1735
Robert Half
RHI
$4.37B
$724K ﹤0.01%
28,504
+2,670
+10% +$70.6K
LTC
1736
LTC Properties
LTC
$2.15B
$719K ﹤0.01%
19,362
+2,010
+12% +$75.6K
QDEL icon
1737
QuidelOrtho
QDEL
$838M
$716K ﹤0.01%
43,598
+26,877
+161% +$660K
FRSH icon
1738
Freshworks
FRSH
$3.27B
$716K ﹤0.01%
89,191
+42,276
+90% +$390K
PII icon
1739
Polaris
PII
$4.07B
$716K ﹤0.01%
13,139
+4,809
+58% +$301K
TBPH icon
1740
Theravance Biopharma
TBPH
$877M
$715K ﹤0.01%
44,024
+29,164
+196% +$516K
ARX
1741
Accelerant Holdings
ARX
$2.72B
$714K ﹤0.01%
53,463
+28,194
+112% +$356K
ESPR
1742
DELISTED
Esperion Therapeutics
ESPR
$712K ﹤0.01%
+260,029
New +$823K
VTOL icon
1743
Bristow Group
VTOL
$1.36B
$712K ﹤0.01%
15,181
-20,607
-58% -$905K
WTTR icon
1744
Select Water Solutions
WTTR
$2.61B
$710K ﹤0.01%
46,388
-2,712
-6% -$35.5K
INVA icon
1745
Innoviva
INVA
$1.48B
$708K ﹤0.01%
30,405
+1,296
+4% +$27.9K
EOSE icon
1746
Eos Energy Enterprises
EOSE
$1.51B
$697K ﹤0.01%
140,532
+88,042
+168% +$946K
ALCO icon
1747
Alico
ALCO
$283M
$695K ﹤0.01%
16,850
-100
-0.6% -$3.97K
EFSC icon
1748
Enterprise Financial Services Corp
EFSC
$2.39B
$695K ﹤0.01%
+12,846
New +$724K
ATLC icon
1749
Atlanticus Holdings
ATLC
$1.52B
$693K ﹤0.01%
13,215
+1,061
+9% +$59.3K
SANM icon
1750
Sanmina
SANM
$10.9B
$690K ﹤0.01%
5,322
+2,433
+84% +$357K
68 69
70
71 72

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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.