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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
ARRY icon
1801
Array Technologies
ARRY
$855M
$608K ﹤0.01%
84,033
+22,977
+38% +$213K
MUX icon
1802
McEwen Inc
MUX
$1.18B
$607K ﹤0.01%
29,721
-158
-0.5% -$3.75K
BHVN icon
1803
Biohaven
BHVN
$2.21B
$605K ﹤0.01%
71,540
+25,942
+57% +$284K
TILE icon
1804
Interface
TILE
$2.22B
$605K ﹤0.01%
24,277
+15,704
+183% +$470K
UCTT
1805
Ultra Clean Holdings
UCTT
$3.95B
$605K ﹤0.01%
9,723
-55,696
-85% -$2.85M
ZVRA icon
1806
Zevra Therapeutics
ZVRA
$686M
$604K ﹤0.01%
+64,857
New +$585K
ANIP icon
1807
ANI Pharmaceuticals
ANIP
$1.78B
$603K ﹤0.01%
7,835
-8,094
-51% -$632K
IRMD icon
1808
iRadimed
IRMD
$1.18B
$600K ﹤0.01%
6,236
+380
+6% +$38K
SEE
1809
DELISTED
Sealed Air
SEE
$600K ﹤0.01%
14,269
+6,223
+77% +$260K
LMND icon
1810
Lemonade
LMND
$4.1B
$598K ﹤0.01%
9,548
+4,090
+75% +$283K
ESQ icon
1811
Esquire Financial Holdings
ESQ
$1.14B
$598K ﹤0.01%
5,564
+59
+1% +$6.32K
HBNC icon
1812
Horizon Bancorp
HBNC
$1.04B
$598K ﹤0.01%
36,067
-31,781
-47% -$544K
THG icon
1813
Hanover Insurance
THG
$7.98B
$597K ﹤0.01%
3,445
+1,485
+76% +$258K
QUBT icon
1814
Quantum Computing Inc
QUBT
$2.07B
$597K ﹤0.01%
87,112
-42,509
-33% -$389K
GLRE icon
1815
Greenlight Captial
GLRE
$506M
$596K ﹤0.01%
34,481
+2,500
+8% +$36.4K
EQX icon
1816
Equinox Gold
EQX
$13.5B
$595K ﹤0.01%
41,354
+22,196
+116% +$339K
BCE icon
1817
BCE
BCE
$21.2B
$595K ﹤0.01%
23,639
-2,600
-10% -$65.9K
MSA icon
1818
Mine Safety
MSA
$7.49B
$591K ﹤0.01%
3,607
+1,571
+77% +$287K
MBC icon
1819
MasterBrand
MBC
$1.91B
$590K ﹤0.01%
70,990
-20,070
-22% -$217K
QLYS icon
1820
Qualys
QLYS
$6.35B
$587K ﹤0.01%
6,683
-7,340
-52% -$813K
ASTE icon
1821
Astec Industries
ASTE
$1.02B
$584K ﹤0.01%
10,839
+531
+5% +$28.5K
STWD icon
1822
Starwood Property Trust
STWD
$6.09B
$584K ﹤0.01%
33,888
+14,330
+73% +$257K
ANDE icon
1823
Andersons Inc
ANDE
$2.22B
$583K ﹤0.01%
8,126
-8,748
-52% -$562K
LB
1824
LandBridge Co
LB
$2.1B
$583K ﹤0.01%
+8,438
New +$536K
FLY
1825
Firefly Aerospace
FLY
$4.39B
$581K ﹤0.01%
+20,423
New +$497K
71 72
73
74 75

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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.