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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
DIS icon
76
Walt Disney
DIS
$170B
$93.7M 0.21%
972,204
+20,839
+2% +$2.2M
CRM icon
77
Salesforce
CRM
$152B
$93.7M 0.21%
501,828
+7,459
+2% +$1.55M
ISRG icon
78
Intuitive Surgical
ISRG
$135B
$90.3M 0.21%
195,968
+2,679
+1% +$1.36M
AXP icon
79
American Express
AXP
$233B
$89.2M 0.2%
294,900
-7,505
-2% -$2.52M
COP icon
80
ConocoPhillips
COP
$145B
$88.6M 0.2%
671,141
+12,951
+2% +$1.43M
SCHW
81
Charles Schwab
SCHW
$184B
$87.4M 0.2%
930,463
+18,897
+2% +$1.85M
PFE icon
82
Pfizer
PFE
$143B
$86.3M 0.2%
3,072,042
+97,353
+3% +$2.59M
Z icon
83
Zillow
Z
$8.04B
$85.6M 0.2%
2,068,039
+1,983,793
+2,355% +$106M
BA icon
84
Boeing
BA
$185B
$83.5M 0.19%
419,360
+15,618
+4% +$3.56M
ADI icon
85
Analog Devices
ADI
$176B
$83.4M 0.19%
262,226
+2,337
+0.9% +$744K
APH icon
86
Amphenol
APH
$201B
$83.3M 0.19%
659,074
+26,325
+4% +$3.71M
DE icon
87
Deere & Co
DE
$163B
$77.5M 0.18%
137,512
+4,519
+3% +$2.55M
BLK icon
88
Blackrock
BLK
$175B
$77.2M 0.18%
80,280
+3,959
+5% +$4.17M
UNP icon
89
Union Pacific
UNP
$173B
$77.1M 0.18%
317,631
+10,283
+3% +$2.52M
HON icon
90
Honeywell
HON
$78.2B
$76.8M 0.18%
339,986
+11,014
+3% +$2.52M
UBER icon
91
Uber
UBER
$146B
$76.8M 0.18%
1,067,923
+29,801
+3% +$2.29M
PANW icon
92
Palo Alto Networks
PANW
$283B
$75.5M 0.17%
470,849
+100,935
+27% +$17M
ETN icon
93
Eaton
ETN
$170B
$74.4M 0.17%
207,994
+6,278
+3% +$2.23M
QCOM icon
94
Qualcomm
QCOM
$159B
$73.3M 0.17%
569,341
+13,198
+2% +$1.93M
WELL icon
95
Welltower
WELL
$168B
$73M 0.17%
369,051
+22,248
+6% +$4.4M
BKNG icon
96
Booking.com
BKNG
$149B
$72.7M 0.17%
431,500
+11,775
+3% +$2.17M
SPGI icon
97
S&P Global
SPGI
$123B
$72.3M 0.17%
170,032
+3,966
+2% +$1.84M
IVV icon
98
iShares Core S&P 500 ETF
IVV
$884B
$71.7M 0.16%
109,780
-48,330
-31% -$33M
NEM icon
99
Newmont
NEM
$100B
$71.5M 0.16%
660,839
-24,379
-4% -$2.81M
ANET icon
100
Arista Networks
ANET
$233B
$71.3M 0.16%
580,509
+27,444
+5% +$3.67M
2 3
4
5 6

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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.