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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
ALDX icon
2401
Aldeyra Therapeutics
ALDX
$95.9M
– –
-81,366
Closed -$421K
ALEX
2402
DELISTED
Alexander & Baldwin
ALEX
– –
-123,233
Closed -$2.54M
AMN icon
2403
AMN Healthcare
AMN
$1.19B
– –
-62,309
Closed -$982K
AMSC icon
2404
American Superconductor
AMSC
$1.59B
– –
-11,227
Closed -$323K
ANGO icon
2405
AngioDynamics
ANGO
$625M
– –
-28,640
Closed -$368K
APPS icon
2406
Digital Turbine
APPS
$1.73B
– –
-40,528
Closed -$203K
ASHR icon
2407
CALL
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
– –
-1,840,900
Closed -$60.5M
AVDL
2408
DELISTED
Avadel Pharmaceuticals
AVDL
– –
-107,104
Closed -$2.31M
BBU
2409
DELISTED
Brookfield Business Partners
BBU
– –
-186,562
Closed -$6.57M
BFST icon
2410
Business First Bancshares
BFST
$1.03B
– –
-9,735
Closed -$254K
BH icon
2411
Biglari Holdings Class B
BH
$1.22B
– –
-2,366
Closed -$787K
BHE icon
2412
Benchmark Electronics
BHE
$2.96B
– –
-34,788
Closed -$1.49M
BIRK icon
2413
Birkenstock
BIRK
$6.84B
– –
-50,683
Closed -$2.07M
BMBL icon
2414
Bumble
BMBL
$372M
– –
-155,693
Closed -$556K
BBBY
2415
Bed Bath & Beyond
BBBY
$429M
– –
-59,090
Closed -$323K
BYRN icon
2416
Byrna Technologies
BYRN
$98.9M
– –
-10,844
Closed -$182K
BZH icon
2417
Beazer Homes USA
BZH
$915M
– –
-21,985
Closed -$446K
CABO icon
2418
Cable One
CABO
$252M
– –
-16,810
Closed -$1.9M
CADE
2419
DELISTED
Cadence Bank
CADE
– –
-10,098
Closed -$433K
CADL icon
2420
Candel Therapeutics
CADL
$775M
– –
-52,147
Closed -$295K
CDTX
2421
DELISTED
Cidara Therapeutics
CDTX
– –
-5,717
Closed -$1.26M
CFLT
2422
DELISTED
Confluent
CFLT
– –
-16,942
Closed -$512K
CGNT icon
2423
Cognyte Software
CGNT
$667M
– –
-517,115
Closed -$4.86M
CIO
2424
DELISTED
City Office REIT
CIO
– –
-28,100
Closed -$196K
CLFD icon
2425
Clearfield
CLFD
$363M
– –
-8,502
Closed -$248K
95 96
97
98 99

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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.