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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
+486.42%
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
RBC icon
426
RBC Bearings
RBC
$18.1B
$16.3M 0.04%
30,097
-1,598
-5% -$848K
CHRW icon
427
C.H. Robinson
CHRW
$17.9B
$16.3M 0.04%
97,908
+14,451
+17% +$2.58M
CCL icon
428
Carnival Corporation Ltd
CCL
$40.6B
$16.3M 0.04%
628,059
+45,391
+8% +$1.32M
DXCM icon
429
DexCom
DXCM
$31.2B
$16.2M 0.04%
258,128
+41,231
+19% +$2.87M
SGI
430
Somnigroup International
SGI
$14.6B
$16.2M 0.04%
219,200
-3,535
-2% -$307K
WCC
431
WESCO International
WCC
$18.2B
$16.1M 0.04%
58,959
-9,904
-14% -$2.78M
RKLB icon
432
Rocket Lab Corp
RKLB
$46.7B
$16.1M 0.04%
250,658
+30,317
+14% +$2.29M
TSCO icon
433
Tractor Supply
TSCO
$17.5B
$16M 0.04%
354,241
+32,073
+10% +$1.63M
BCO icon
434
Brink's
BCO
$4.77B
$16M 0.04%
154,736
-529
-0.3% -$63.4K
PAYX icon
435
Paychex
PAYX
$42.1B
$15.9M 0.04%
172,987
+5,175
+3% +$512K
MOG.A icon
436
Moog Inc Class A
MOG.A
$12.9B
$15.9M 0.04%
54,431
-3,010
-5% -$921K
BE icon
437
Bloom Energy
BE
$69B
$15.9M 0.04%
117,150
+5,014
+4% +$736K
CTSH icon
438
Cognizant
CTSH
$25.1B
$15.9M 0.04%
258,451
+5,566
+2% +$398K
DOW icon
439
Dow Inc
DOW
$21.4B
$15.9M 0.04%
380,693
+14,254
+4% +$452K
NVT icon
440
nVent Electric
NVT
$26.2B
$15.7M 0.04%
133,151
-4,912
-4% -$558K
UDR icon
441
UDR
UDR
$12.4B
$15.7M 0.04%
465,677
+76,537
+20% +$2.81M
WAT icon
442
Waters Corp
WAT
$39.3B
$15.7M 0.04%
52,777
+13,292
+34% +$4.55M
SSB icon
443
SouthState Bank Corp
SSB
$10.6B
$15.7M 0.04%
169,870
-3,609
-2% -$354K
CACI icon
444
CACI
CACI
$11.4B
$15.7M 0.04%
28,864
-1,957
-6% -$1.18M
MTSI icon
445
MACOM Technology Solutions
MTSI
$20.1B
$15.7M 0.04%
70,483
-3,848
-5% -$859K
PNW icon
446
Pinnacle West Capital
PNW
$12.3B
$15.6M 0.04%
155,097
-15,966
-9% -$1.54M
IQV icon
447
IQVIA
IQV
$38.9B
$15.6M 0.04%
91,193
+2,578
+3% +$503K
HST icon
448
Host Hotels & Resorts
HST
$17.2B
$15.5M 0.04%
809,548
-99,268
-11% -$1.89M
DEM icon
449
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.95B
$15.5M 0.04%
311,419
– –
LLYVA icon
450
Liberty Live Group Series A
LLYVA
$9.19B
$15.4M 0.04%
168,408
+896
+0.5% +$78.7K
16 17
18
19 20

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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.