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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
ROOT icon
1876
Root
ROOT
$798M
$532K ﹤0.01%
+12,043
New +$703K
INNV icon
1877
InnovAge Holding
INNV
$1.52B
$531K ﹤0.01%
66,239
+39,839
+151% +$297K
CEPU
1878
Central Puerto
CEPU
$2.1B
$530K ﹤0.01%
31,481
– –
UNTY icon
1879
Unity Bancorp
UNTY
$599M
$530K ﹤0.01%
10,221
-46
-0.4% -$2.42K
LOCO icon
1880
El Pollo Loco
LOCO
$462M
$528K ﹤0.01%
38,063
+2,600
+7% +$29.8K
RXO icon
1881
RXO
RXO
$3.58B
$526K ﹤0.01%
35,976
-24,512
-41% -$360K
BFLY icon
1882
Butterfly Network
BFLY
$2.35B
$525K ﹤0.01%
+129,992
New +$502K
DSGN icon
1883
Design Therapeutics
DSGN
$876M
$524K ﹤0.01%
49,214
-1,443
-3% -$14.6K
UFPI icon
1884
UFP Industries
UFPI
$5.19B
$522K ﹤0.01%
5,668
+2,491
+78% +$252K
AMTB icon
1885
Amerant Bancorp
AMTB
$1.13B
$522K ﹤0.01%
23,674
-6,239
-21% -$134K
FLNC icon
1886
Fluence Energy
FLNC
$2.44B
$522K ﹤0.01%
+37,918
New +$761K
AG icon
1887
First Majestic Silver
AG
$9.07B
$522K ﹤0.01%
24,410
+13,179
+117% +$304K
TDUP icon
1888
ThredUp
TDUP
$422M
$521K ﹤0.01%
158,964
+100,849
+174% +$468K
DAWN
1889
DELISTED
Day One Biopharmaceuticals
DAWN
$521K ﹤0.01%
24,299
+873
+4% +$12.3K
VSNT
1890
Versant Media Group
VSNT
$5.38B
$521K ﹤0.01%
+14,072
New +$474K
AROW icon
1891
Arrow Financial
AROW
$652M
$520K ﹤0.01%
15,499
– –
MSBI icon
1892
Midland States Bancorp
MSBI
$695M
$519K ﹤0.01%
23,283
-2,717
-10% -$60.7K
PACS icon
1893
PACS Group
PACS
$7.67B
$517K ﹤0.01%
16,084
-22,141
-58% -$814K
KURA icon
1894
Kura Oncology
KURA
$850M
$516K ﹤0.01%
63,523
-12,179
-16% -$105K
PDM
1895
Piedmont Realty Trust
PDM
$1.19B
$514K ﹤0.01%
78,235
-46,661
-37% -$363K
NBBK icon
1896
NB Bancorp
NBBK
$989M
$514K ﹤0.01%
24,386
-2,255
-8% -$47.4K
MATV icon
1897
Mativ Holdings
MATV
$711M
$513K ﹤0.01%
58,953
-1,900
-3% -$21.8K
BIOA
1898
BioAge Labs
BIOA
$538M
$512K ﹤0.01%
+29,302
New +$564K
TRS icon
1899
TriMas Corp
TRS
$1.44B
$510K ﹤0.01%
14,195
-1,532
-10% -$55K
EQBK icon
1900
Equity Bancshares
EQBK
$1.05B
$507K ﹤0.01%
+11,422
New +$520K
74 75
76
77 78

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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.