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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
ACM icon
876
Aecom
ACM
$9.63B
$6.56M 0.02%
77,315
+10,614
+16% +$1.01M
CRL icon
877
Charles River Laboratories
CRL
$12.8B
$6.54M 0.02%
37,939
+3,142
+9% +$583K
IOT icon
878
Samsara
IOT
$22.3B
$6.54M 0.02%
206,473
-2,260
-1% -$69K
SMCI icon
879
Super Micro Computer
SMCI
$19B
$6.54M 0.02%
287,234
-89,744
-24% -$2.69M
NE icon
880
Noble Corp
NE
$6.5B
$6.53M 0.01%
133,016
-6,444
-5% -$263K
ROIV icon
881
Roivant Sciences
ROIV
$25.4B
$6.53M 0.01%
235,580
-3,674
-2% -$94.4K
CCK icon
882
Crown Holdings
CCK
$13.2B
$6.52M 0.01%
65,057
-57,077
-47% -$6.1M
OBK icon
883
Origin Bancorp
OBK
$1.67B
$6.52M 0.01%
157,289
-6,593
-4% -$274K
OUT icon
884
Outfront Media
OUT
$5.48B
$6.51M 0.01%
245,824
-2,075
-0.8% -$54.1K
FOXA icon
885
Fox Class A
FOXA
$25.9B
$6.51M 0.01%
111,539
+5,208
+5% +$332K
AFG icon
886
American Financial Group
AFG
$12.2B
$6.51M 0.01%
50,964
+14,927
+41% +$1.94M
IRT icon
887
Independence Realty Trust
IRT
$4B
$6.48M 0.01%
435,331
-30,480
-7% -$501K
MRX
888
Marex Group Limited Ordinary Shares
MRX
$4.48B
$6.47M 0.01%
145,047
-14,480
-9% -$572K
JAZZ icon
889
Jazz Pharmaceuticals
JAZZ
$16.7B
$6.43M 0.01%
34,007
-505
-1% -$88.3K
GIB icon
890
CGI
GIB
$15.4B
$6.43M 0.01%
88,216
-3,200
-4% -$256K
PTEN icon
891
Patterson-UTI
PTEN
$3.83B
$6.4M 0.01%
590,781
-10,509
-2% -$90K
GXO icon
892
GXO Logistics
GXO
$5.41B
$6.39M 0.01%
123,194
+65
+0.1% +$3.72K
TTMI icon
893
TTM Technologies
TTMI
$14.2B
$6.37M 0.01%
65,396
-34,380
-34% -$3.27M
BAH icon
894
Booz Allen Hamilton
BAH
$8.89B
$6.35M 0.01%
81,403
+13,276
+19% +$1.12M
HUBS icon
895
HubSpot
HUBS
$10.4B
$6.33M 0.01%
25,947
-865
-3% -$243K
DAR icon
896
Darling Ingredients
DAR
$9.62B
$6.32M 0.01%
102,152
-2,280
-2% -$112K
HEI icon
897
HEICO Corp
HEI
$50.8B
$6.31M 0.01%
23,001
+803
+4% +$259K
KNTK icon
898
Kinetik
KNTK
$3.69B
$6.27M 0.01%
129,621
+3,142
+2% +$134K
DAL icon
899
Delta Air Lines
DAL
$60.5B
$6.26M 0.01%
94,213
+3,033
+3% +$204K
EXTR icon
900
Extreme Networks
EXTR
$3.18B
$6.26M 0.01%
414,887
-84,877
-17% -$1.27M
34 35
36
37 38

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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.