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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
FSS icon
726
Federal Signal
FSS
$7.91B
$8.85M 0.02%
81,823
-5,001
-6% -$565K
BEN icon
727
Franklin Resources
BEN
$17.4B
$8.84M 0.02%
374,450
+41,476
+12% +$1.07M
EAT icon
728
Brinker International
EAT
$9.63B
$8.81M 0.02%
61,737
-3,975
-6% -$606K
AROC icon
729
Archrock
AROC
$5.92B
$8.81M 0.02%
253,095
-16,454
-6% -$525K
LPX icon
730
Louisiana-Pacific
LPX
$5.27B
$8.78M 0.02%
120,657
-44,082
-27% -$3.71M
RBRK icon
731
Rubrik
RBRK
$17.2B
$8.77M 0.02%
179,076
-9,744
-5% -$559K
TRNO icon
732
Terreno Realty
TRNO
$7.24B
$8.74M 0.02%
142,379
-8,821
-6% -$554K
LULU icon
733
lululemon athletica
LULU
$14.2B
$8.74M 0.02%
57,080
-428
-0.7% -$76.7K
DKNG icon
734
DraftKings
DKNG
$10.6B
$8.74M 0.02%
404,048
+145,460
+56% +$3.94M
STEP icon
735
StepStone Group
STEP
$4.07B
$8.71M 0.02%
182,601
-6,936
-4% -$401K
VIST icon
736
Vista Energy
VIST
$7.25B
$8.71M 0.02%
115,424
+84,114
+269% +$4.91M
MAA icon
737
Mid-America Apartment Communities
MAA
$15.6B
$8.65M 0.02%
70,822
+10,453
+17% +$1.38M
PINS icon
738
Pinterest
PINS
$13.2B
$8.62M 0.02%
469,793
+43,166
+10% +$901K
PEGA icon
739
Pegasystems
PEGA
$5.18B
$8.56M 0.02%
201,201
+25,742
+15% +$1.2M
DOCN icon
740
DigitalOcean
DOCN
$14.7B
$8.56M 0.02%
99,825
+19,247
+24% +$1.21M
KTOS icon
741
Kratos Defense & Security Solutions
KTOS
$10.8B
$8.54M 0.02%
121,132
+9,638
+9% +$924K
TXT icon
742
Textron
TXT
$15.1B
$8.53M 0.02%
97,402
-14,653
-13% -$1.37M
NTNX icon
743
Nutanix
NTNX
$16.3B
$8.53M 0.02%
224,369
+29,176
+15% +$1.23M
CR icon
744
Crane Co
CR
$12.9B
$8.53M 0.02%
49,854
-749
-1% -$144K
OMF icon
745
OneMain Financial
OMF
$7.5B
$8.52M 0.02%
159,214
-544
-0.3% -$32.3K
HQY icon
746
HealthEquity
HQY
$8.72B
$8.48M 0.02%
101,512
-16,631
-14% -$1.36M
OWL icon
747
Blue Owl Capital
OWL
$7.68B
$8.45M 0.02%
925,427
+48,742
+6% +$589K
SITE icon
748
SiteOne Landscape Supply
SITE
$4.34B
$8.44M 0.02%
63,418
-4,020
-6% -$568K
CDW icon
749
CDW
CDW
$18.1B
$8.43M 0.02%
69,682
-12,838
-16% -$1.62M
LXP icon
750
LXP Industrial Trust
LXP
$3.57B
$8.43M 0.02%
182,225
+37,106
+26% +$1.81M
28 29
30
31 32

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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.