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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
CME icon
126
CME Group
CME
$94.3B
$57.8M 0.13%
195,837
+9,076
+5% +$2.7M
TMUS icon
127
T-Mobile US
TMUS
$189B
$57.7M 0.13%
274,520
+4,167
+2% +$856K
SO icon
128
Southern Company
SO
$106B
$56.9M 0.13%
589,669
+19,542
+3% +$1.81M
XSOE icon
129
WisdomTree Emerging Markets ex-State-Owned Enterprises Fund
XSOE
$2.09B
$56.5M 0.13%
1,408,892
– –
SNDK
130
Sandisk
SNDK
$207B
$56.4M 0.13%
88,797
+19,557
+28% +$11M
CMCSA icon
131
Comcast
CMCSA
$87.1B
$56.4M 0.13%
1,963,927
+37,700
+2% +$1.13M
DUK icon
132
Duke Energy
DUK
$96.3B
$56M 0.13%
427,442
+13,712
+3% +$1.71M
SBUX icon
133
Starbucks
SBUX
$118B
$55.2M 0.13%
615,719
+26,975
+5% +$2.55M
VRT icon
134
Vertiv
VRT
$105B
$55.1M 0.13%
220,071
+24,913
+13% +$5.53M
APP icon
135
Applovin
APP
$137B
$54.9M 0.13%
137,907
+10,394
+8% +$5.02M
EMB icon
136
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.7B
$54.5M 0.12%
580,000
– –
ADBE icon
137
Adobe
ADBE
$100B
$54.5M 0.12%
224,079
+7,194
+3% +$1.99M
STX icon
138
Seagate
STX
$192B
$53.9M 0.12%
137,549
+8,895
+7% +$3.39M
CVS icon
139
CVS Health
CVS
$133B
$53.3M 0.12%
741,745
+60,835
+9% +$4.69M
BATRK icon
140
Atlanta Braves Holdings Series B
BATRK
$3.28B
$53.2M 0.12%
1,246,516
+185,966
+18% +$7.73M
WMB icon
141
Williams Companies
WMB
$86.9B
$52.9M 0.12%
727,343
+14,456
+2% +$1M
EQIX icon
142
Equinix
EQIX
$103B
$52.7M 0.12%
53,781
+1,784
+3% +$1.59M
CRWD icon
143
CrowdStrike
CRWD
$213B
$52.7M 0.12%
539,960
+19,436
+4% +$2.06M
BSX icon
144
Boston Scientific
BSX
$70.6B
$52.3M 0.12%
833,955
+66,101
+9% +$5.29M
TT icon
145
Trane Technologies
TT
$102B
$52.3M 0.12%
125,541
+6,744
+6% +$2.86M
HWM icon
146
Howmet Aerospace
HWM
$115B
$51.9M 0.12%
225,338
+3,876
+2% +$903K
TD icon
147
Toronto Dominion Bank
TD
$200B
$50.8M 0.12%
546,063
-88,500
-14% -$8.42M
BIP icon
148
Brookfield Infrastructure Partners
BIP
$18.4B
$50.8M 0.12%
1,406,431
-1,185,908
-46% -$43.5M
WM icon
149
Waste Management
WM
$89.3B
$50.3M 0.12%
218,888
+8,806
+4% +$2.02M
NOC icon
150
Northrop Grumman
NOC
$78.3B
$49.5M 0.11%
72,575
+916
+1% +$633K
4 5
6
7 8

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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.