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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
TPC
1051
Tutor Perini Cor
TPC
$5.03B
$4.29M 0.01%
55,622
-3,282
-6% -$251K
RDNT icon
1052
RadNet
RDNT
$5.36B
$4.28M 0.01%
76,640
-4,138
-5% -$283K
MUSA icon
1053
Murphy USA
MUSA
$9.9B
$4.28M 0.01%
8,666
+40
+0.5% +$17.1K
LBRDK icon
1054
Liberty Broadband Class C
LBRDK
$5.32B
$4.28M 0.01%
85,071
+61,244
+257% +$3.09M
LASR icon
1055
nLIGHT
LASR
$4.26B
$4.26M 0.01%
74,729
-10,190
-12% -$552K
OCFC icon
1056
OceanFirst Financial
OCFC
$1.92B
$4.26M 0.01%
235,882
+1,232
+0.5% +$22.7K
FHN icon
1057
First Horizon
FHN
$12.1B
$4.25M 0.01%
186,823
+41,094
+28% +$983K
PCVX icon
1058
Vaxcyte
PCVX
$8.76B
$4.24M 0.01%
72,902
+4,617
+7% +$251K
IDA icon
1059
Idacorp
IDA
$8.15B
$4.22M 0.01%
29,533
-2,963
-9% -$406K
CARG icon
1060
CarGurus
CARG
$3.28B
$4.2M 0.01%
123,219
-21,287
-15% -$697K
BKD icon
1061
Brookdale Senior Living
BKD
$3.43B
$4.18M 0.01%
305,231
+92,188
+43% +$1.29M
AVAV icon
1062
AeroVironment
AVAV
$8.66B
$4.16M 0.01%
22,705
-518
-2% -$136K
PGNY icon
1063
Progyny
PGNY
$2.37B
$4.14M 0.01%
243,536
+59,273
+32% +$1.27M
NATL icon
1064
NCR Atleos
NATL
$3.44B
$4.13M 0.01%
94,877
-108,168
-53% -$4.47M
GKOS icon
1065
Glaukos
GKOS
$10.1B
$4.13M 0.01%
38,362
-779
-2% -$87.7K
BELFB
1066
Bel Fuse Inc Class B
BELFB
$4.18B
$4.12M 0.01%
20,787
-2,099
-9% -$439K
ORA icon
1067
Ormat Technologies
ORA
$6.6B
$4.09M 0.01%
36,560
+2,463
+7% +$286K
ALHC icon
1068
Alignment Healthcare
ALHC
$2.78B
$4.09M 0.01%
232,076
+40,047
+21% +$804K
AVTR icon
1069
Avantor
AVTR
$8.91B
$4.08M 0.01%
520,813
+58,877
+13% +$579K
RIOT icon
1070
Riot Platforms
RIOT
$8.02B
$4.08M 0.01%
329,860
-15,051
-4% -$231K
LRN icon
1071
Stride
LRN
$3.32B
$4.07M 0.01%
46,154
-2,546
-5% -$207K
AGCO icon
1072
AGCO
AGCO
$7.12B
$4.06M 0.01%
35,057
-14,488
-29% -$1.76M
PB icon
1073
Prosperity Bancshares
PB
$8.88B
$4.03M 0.01%
60,061
+9,458
+19% +$663K
EEFT icon
1074
Euronet Worldwide
EEFT
$2.73B
$4.03M 0.01%
60,684
-212
-0.3% -$15.2K
NVMI
1075
Nova
NVMI
$12.1B
$4.02M 0.01%
9,364
-963
-9% -$424K
41 42
43
44 45

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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.