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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
NUTX
1376
Nutex Health
NUTX
$1.12B
$1.68M ﹤0.01%
17,640
+14,871
+537% +$1.82M
HROW icon
1377
Harrow
HROW
$1.51B
$1.68M ﹤0.01%
47,535
-16,739
-26% -$736K
SGRY icon
1378
Surgery Partners
SGRY
$2.03B
$1.67M ﹤0.01%
140,366
-11,138
-7% -$160K
AMRX icon
1379
Amneal Pharmaceuticals
AMRX
$5.79B
$1.67M ﹤0.01%
133,968
-34,522
-20% -$464K
NUS icon
1380
Nu Skin
NUS
$267M
$1.66M ﹤0.01%
228,700
-2,200
-1% -$19.9K
NVRI icon
1381
Enviri
NVRI
$620M
$1.66M ﹤0.01%
84,834
-3,126
-4% -$58.1K
ZYME icon
1382
Zymeworks
ZYME
$1.73B
$1.66M ﹤0.01%
66,106
-9,460
-13% -$224K
APEI icon
1383
American Public Education
APEI
$940M
$1.64M ﹤0.01%
28,892
-20,126
-41% -$922K
CAR icon
1384
Avis
CAR
$5.02B
$1.64M ﹤0.01%
11,236
-1,717
-13% -$196K
POST icon
1385
Post Holdings
POST
$3.57B
$1.64M ﹤0.01%
16,561
+606
+4% +$61.7K
TWST icon
1386
Twist Bioscience
TWST
$7.25B
$1.63M ﹤0.01%
34,401
-146
-0.4% -$6.55K
EYPT icon
1387
EyePoint Inc
EYPT
$1.2B
$1.63M ﹤0.01%
126,705
+66,388
+110% +$993K
NVAX icon
1388
Novavax
NVAX
$1.31B
$1.63M ﹤0.01%
200,216
+139,810
+231% +$1.27M
NRDS icon
1389
NerdWallet
NRDS
$652M
$1.63M ﹤0.01%
156,936
+72,744
+86% +$819K
CAL icon
1390
Caleres
CAL
$487M
$1.63M ﹤0.01%
154,400
+129,591
+522% +$1.54M
FPS
1391
Forgent Power Solutions
FPS
$10.1B
$1.62M ﹤0.01%
+55,500
New +$1.85M
NUVB icon
1392
Nuvation Bio
NUVB
$2.32B
$1.62M ﹤0.01%
378,157
+121,171
+47% +$675K
WSC icon
1393
WillScot Mobile Mini Holdings
WSC
$4.41B
$1.62M ﹤0.01%
93,429
-5,744
-6% -$117K
AMKR icon
1394
Amkor Technology
AMKR
$13.7B
$1.62M ﹤0.01%
35,972
+29,136
+426% +$1.4M
RLAY icon
1395
Relay Therapeutics
RLAY
$4.31B
$1.61M ﹤0.01%
162,236
+61,076
+60% +$546K
ARW icon
1396
Arrow Electronics
ARW
$10.4B
$1.61M ﹤0.01%
11,221
-796
-7% -$109K
TRVI icon
1397
Trevi Therapeutics
TRVI
$2.63B
$1.61M ﹤0.01%
134,731
+14,165
+12% +$159K
AEO icon
1398
American Eagle Outfitters
AEO
$3.01B
$1.61M ﹤0.01%
96,227
+30,946
+47% +$695K
TCMD icon
1399
Tactile Systems Technology
TCMD
$665M
$1.6M ﹤0.01%
61,364
-293
-0.5% -$8.36K
IVZ icon
1400
Invesco
IVZ
$13.9B
$1.6M ﹤0.01%
65,865
+10,402
+19% +$272K
54 55
56
57 58

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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.