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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
KNF icon
1401
Knife River
KNF
$3.79B
$1.6M ﹤0.01%
19,545
+7,676
+65% +$618K
ERAS icon
1402
Erasca
ERAS
$6.39B
$1.6M ﹤0.01%
+98,609
New +$1.17M
XMTR icon
1403
Xometry
XMTR
$5.34B
$1.59M ﹤0.01%
+38,953
New +$2.07M
BTU icon
1404
Peabody Energy
BTU
$2.9B
$1.59M ﹤0.01%
48,250
-41,328
-46% -$1.44M
PRDO icon
1405
Perdoceo Education
PRDO
$2.12B
$1.59M ﹤0.01%
42,717
-10,412
-20% -$344K
PBH icon
1406
Prestige Consumer Healthcare
PBH
$2.6B
$1.59M ﹤0.01%
26,791
-165
-0.6% -$10.7K
DCH
1407
Dauch Corp
DCH
$1.51B
$1.59M ﹤0.01%
267,764
+242,110
+944% +$1.68M
SCSC icon
1408
Scansource
SCSC
$1.12B
$1.58M ﹤0.01%
43,588
+11,058
+34% +$423K
DNLI icon
1409
Denali Therapeutics
DNLI
$3.94B
$1.58M ﹤0.01%
82,357
+8,776
+12% +$175K
STRA icon
1410
Strategic Education
STRA
$1.92B
$1.57M ﹤0.01%
18,971
+3,398
+22% +$277K
XHR
1411
Xenia Hotels & Resorts
XHR
$1.79B
$1.56M ﹤0.01%
105,487
+35,171
+50% +$530K
PSMT icon
1412
Pricesmart
PSMT
$5.46B
$1.56M ﹤0.01%
10,380
+2,457
+31% +$359K
MX icon
1413
Magnachip Semiconductor
MX
$145M
$1.56M ﹤0.01%
557,617
-42,400
-7% -$121K
UVE icon
1414
Universal Insurance Holdings
UVE
$1.23B
$1.56M ﹤0.01%
45,633
+22,894
+101% +$737K
STOK icon
1415
Stoke Therapeutics
STOK
$2.11B
$1.56M ﹤0.01%
47,859
+33,040
+223% +$1.08M
ZUMZ icon
1416
Zumiez
ZUMZ
$339M
$1.54M ﹤0.01%
69,693
+11,800
+20% +$288K
FAF icon
1417
First American
FAF
$7.58B
$1.54M ﹤0.01%
25,592
+5,495
+27% +$352K
ANAB icon
1418
AnaptysBio
ANAB
$1.68B
$1.53M ﹤0.01%
27,619
+18,664
+208% +$1M
MIAX
1419
Miami International Holdings
MIAX
$4.28B
$1.53M ﹤0.01%
39,345
-3,211
-8% -$132K
HRI icon
1420
Herc Holdings
HRI
$5.61B
$1.53M ﹤0.01%
15,362
+2,927
+24% +$418K
VICR icon
1421
Vicor
VICR
$10.2B
$1.53M ﹤0.01%
+9,477
New +$1.57M
GOGO icon
1422
Gogo Inc
GOGO
$491M
$1.52M ﹤0.01%
378,624
-24,461
-6% -$111K
SHOO icon
1423
Steven Madden
SHOO
$3.55B
$1.52M ﹤0.01%
44,865
-427
-0.9% -$16.5K
SIGI icon
1424
Selective Insurance
SIGI
$5.73B
$1.52M ﹤0.01%
20,184
+1,503
+8% +$123K
VSAT icon
1425
Viasat
VSAT
$11.1B
$1.52M ﹤0.01%
33,171
-1,917
-5% -$86.2K
55 56
57
58 59

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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.