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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
PAAS icon
826
Pan American Silver
PAAS
$20.2B
$7.26M 0.02%
133,075
-36,700
-22% -$2.12M
TEAM icon
827
Atlassian
TEAM
$28B
$7.26M 0.02%
106,303
+19,914
+23% +$1.96M
GDDY icon
828
GoDaddy
GDDY
$11.5B
$7.25M 0.02%
87,728
+16,133
+23% +$1.53M
IONS icon
829
Ionis Pharmaceuticals
IONS
$9.07B
$7.25M 0.02%
96,491
+1,730
+2% +$137K
AER icon
830
AerCap
AER
$24.4B
$7.24M 0.02%
52,779
-8,900
-14% -$1.27M
ITRI icon
831
Itron
ITRI
$4.51B
$7.21M 0.02%
80,485
-13,199
-14% -$1.27M
COKE icon
832
Coca-Cola Consolidated
COKE
$12.5B
$7.21M 0.02%
37,607
+11,458
+44% +$2.01M
JCAP
833
Jefferson Capital
JCAP
$1.29B
$7.2M 0.02%
374,375
+24,375
+7% +$516K
AMH icon
834
American Homes 4 Rent
AMH
$12.4B
$7.19M 0.02%
257,700
+90,643
+54% +$2.74M
ENS icon
835
EnerSys
ENS
$6.87B
$7.18M 0.02%
41,328
+5,724
+16% +$970K
SON icon
836
Sonoco
SON
$5.65B
$7.16M 0.02%
132,375
+107,303
+428% +$5.53M
IMO icon
837
Imperial Oil
IMO
$61.1B
$7.1M 0.02%
54,369
-24,600
-31% -$2.76M
MAS icon
838
Masco
MAS
$14.9B
$7.1M 0.02%
117,544
+1,908
+2% +$129K
LOGI icon
839
Logitech
LOGI
$14.8B
$7.1M 0.02%
78,791
-5,112
-6% -$471K
OSK icon
840
Oshkosh
OSK
$9.45B
$7.06M 0.02%
47,984
-2,910
-6% -$454K
SKT icon
841
Tanger
SKT
$4.51B
$7.04M 0.02%
207,280
-33,661
-14% -$1.16M
FOUR icon
842
Shift4
FOUR
$3.43B
$7.04M 0.02%
161,035
-10,612
-6% -$586K
MDGL icon
843
Madrigal Pharmaceuticals
MDGL
$11.8B
$7.03M 0.02%
13,432
+4,156
+45% +$1.99M
UHS icon
844
Universal Health Services
UHS
$10.3B
$7.02M 0.02%
39,225
-2,202
-5% -$452K
ASO icon
845
Academy Sports + Outdoors
ASO
$2.94B
$7.01M 0.02%
124,121
-16,191
-12% -$922K
TRU icon
846
TransUnion
TRU
$15.2B
$7.01M 0.02%
101,255
+3,236
+3% +$248K
NBIS
847
Nebius Group N.V.
NBIS
$48.3B
$6.97M 0.02%
67,200
-7,100
-10% -$709K
OKTA icon
848
Okta
OKTA
$25B
$6.95M 0.02%
88,355
-2,276
-3% -$189K
GL icon
849
Globe Life
GL
$14.4B
$6.95M 0.02%
49,906
-18,873
-27% -$2.66M
LKQ icon
850
LKQ Corp
LKQ
$6.19B
$6.92M 0.02%
235,647
-38,080
-14% -$1.22M
32 33
34
35 36

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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.