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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
VNDA icon
1451
Vanda Pharmaceuticals
VNDA
$302M
$1.39M ﹤0.01%
200,463
+49,921
+33% +$385K
CWEN.A
1452
DELISTED
Clearway Energy Class A
CWEN.A
$1.38M ﹤0.01%
35,273
+20,089
+132% +$715K
FBIN icon
1453
Fortune Brands Innovations
FBIN
$6.06B
$1.38M ﹤0.01%
35,358
+4,924
+16% +$256K
VRDN icon
1454
Viridian Therapeutics
VRDN
$2.67B
$1.37M ﹤0.01%
70,244
+2,450
+4% +$72.8K
ACMR icon
1455
ACM Research
ACMR
$5.79B
$1.37M ﹤0.01%
34,700
+22,543
+185% +$1.2M
VISN
1456
Vistance Networks Inc
VISN
$2.52B
$1.36M ﹤0.01%
74,939
+13,098
+21% +$239K
BEAM icon
1457
Beam Therapeutics
BEAM
$2.84B
$1.36M ﹤0.01%
57,217
-1,309
-2% -$36.3K
HNRG icon
1458
Hallador Energy
HNRG
$696M
$1.36M ﹤0.01%
83,651
+25,469
+44% +$475K
ARDT
1459
Ardent Health
ARDT
$1.66B
$1.36M ﹤0.01%
158,676
+21,552
+16% +$193K
SSRM icon
1460
SSR Mining
SSRM
$6.48B
$1.36M ﹤0.01%
46,331
-2,272
-5% -$60.3K
WRLD icon
1461
World Acceptance Corp
WRLD
$872M
$1.35M ﹤0.01%
10,021
+742
+8% +$99.5K
OLN icon
1462
Olin
OLN
$2.12B
$1.35M ﹤0.01%
45,516
-10,389
-19% -$254K
AWR icon
1463
American States Water
AWR
$3.46B
$1.35M ﹤0.01%
17,861
-4,267
-19% -$315K
WU icon
1464
Western Union
WU
$2.21B
$1.35M ﹤0.01%
154,629
-17,056
-10% -$161K
RUN icon
1465
Sunrun
RUN
$2.46B
$1.35M ﹤0.01%
99,533
+83,470
+520% +$1.39M
KRG icon
1466
Kite Realty
KRG
$5.36B
$1.35M ﹤0.01%
54,884
+8,696
+19% +$214K
APPF icon
1467
AppFolio
APPF
$7.04B
$1.34M ﹤0.01%
8,516
+6,967
+450% +$1.32M
SYRE icon
1468
Spyre Therapeutics
SYRE
$9.25B
$1.34M ﹤0.01%
26,523
-729
-3% -$27.5K
ARCB icon
1469
ArcBest
ARCB
$3.08B
$1.33M ﹤0.01%
13,557
-21,113
-61% -$2M
PBYI icon
1470
Puma Biotechnology
PBYI
$454M
$1.33M ﹤0.01%
208,618
+74,844
+56% +$483K
GOLD
1471
Gold.com Inc
GOLD
$1.26B
$1.33M ﹤0.01%
33,130
-45,043
-58% -$2.2M
AAP icon
1472
Advance Auto Parts
AAP
$3.49B
$1.32M ﹤0.01%
25,113
+10,679
+74% +$534K
NNN icon
1473
NNN REIT
NNN
$8.99B
$1.32M ﹤0.01%
31,465
+4,242
+16% +$183K
CPK icon
1474
Chesapeake Utilities
CPK
$3.21B
$1.32M ﹤0.01%
10,452
-2,383
-19% -$307K
BCPC
1475
Balchem Corp
BCPC
$5.72B
$1.31M ﹤0.01%
7,743
+5,980
+339% +$1.02M
57 58
59
60 61

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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.