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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
PRKS icon
1626
United Parks & Resorts
PRKS
$2.12B
$941K ﹤0.01%
28,809
-4,743
-14% -$166K
AGIO icon
1627
Agios Pharmaceuticals
AGIO
$1.93B
$941K ﹤0.01%
27,810
-6,827
-20% -$194K
OCUL icon
1628
Ocular Therapeutix
OCUL
$2.02B
$940K ﹤0.01%
111,005
-51,805
-32% -$494K
JBGS
1629
JBG SMITH
JBGS
$708M
$940K ﹤0.01%
64,308
+44,111
+218% +$703K
DFH icon
1630
Dream Finders Homes
DFH
$1.36B
$929K ﹤0.01%
+66,719
New +$1.19M
GTN icon
1631
Gray Television
GTN
$552M
$928K ﹤0.01%
213,899
-222,100
-51% -$1.04M
SEZL
1632
Sezzle
SEZL
$3.97B
$927K ﹤0.01%
14,642
-600
-4% -$40.9K
LBRT icon
1633
Liberty Energy
LBRT
$3.25B
$921K ﹤0.01%
+31,973
New +$815K
SFST icon
1634
Southern First Bancshares
SFST
$600M
$919K ﹤0.01%
16,863
+1,502
+10% +$83K
AHCO icon
1635
AdaptHealth
AHCO
$759M
$919K ﹤0.01%
77,195
-92,456
-54% -$946K
WLDN icon
1636
Willdan Group
WLDN
$1.3B
$916K ﹤0.01%
11,966
+1,951
+19% +$206K
IRON icon
1637
Disc Medicine
IRON
$2.97B
$914K ﹤0.01%
14,288
-2,818
-16% -$196K
TRN icon
1638
Trinity Industries
TRN
$2.38B
$913K ﹤0.01%
28,360
+10,436
+58% +$320K
ORI icon
1639
Old Republic International
ORI
$10.4B
$910K ﹤0.01%
22,816
+9,689
+74% +$398K
OGN icon
1640
Organon & Co
OGN
$3.57B
$908K ﹤0.01%
151,606
-1,934
-1% -$14.6K
XOMA
1641
DELISTED
Xoma
XOMA
$906K ﹤0.01%
+28,894
New +$774K
PL icon
1642
Planet Labs
PL
$8.53B
$904K ﹤0.01%
32,358
+1,884
+6% +$48.2K
DMC
1643
Del Monte Corp
DMC
$1.45B
$904K ﹤0.01%
22,447
-37,771
-63% -$1.51M
NXDR
1644
Nextdoor Holdings
NXDR
$986M
$901K ﹤0.01%
643,821
-4,682
-0.7% -$8.13K
OS
1645
DELISTED
OneStream Inc
OS
$900K ﹤0.01%
37,487
-114,117
-75% -$2.68M
SWKS icon
1646
Skyworks Solutions
SWKS
$10.6B
$893K ﹤0.01%
16,673
+6,397
+62% +$372K
MZTI
1647
The Marzetti Company
MZTI
$3.11B
$889K ﹤0.01%
6,427
+511
+9% +$81.3K
ALX
1648
Alexander's
ALX
$1.41B
$889K ﹤0.01%
3,762
+16
+0.4% +$3.81K
BBAI icon
1649
BigBear.ai
BBAI
$1.57B
$888K ﹤0.01%
252,393
-1,485
-0.6% -$6.9K
ORKA
1650
Oruka Therapeutics
ORKA
$5.96B
$888K ﹤0.01%
18,099
-4,869
-21% -$169K
64 65
66
67 68

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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.