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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
THC icon
476
Tenet Healthcare
THC
$21.1B
$14.7M 0.03%
77,745
-1,143
-1% -$241K
NVR icon
477
NVR
NVR
$17B
$14.7M 0.03%
2,226
+261
+13% +$1.9M
PR
478
Permian Resources
PR
$16.6B
$14.7M 0.03%
687,493
-27,917
-4% -$482K
WTS icon
479
Watts Water Technologies
WTS
$12.1B
$14.6M 0.03%
50,375
-3,661
-7% -$1.12M
TOL icon
480
Toll Brothers
TOL
$14.5B
$14.6M 0.03%
106,941
-11,382
-10% -$1.67M
AMRZ
481
Amrize Ltd
AMRZ
$29.3B
$14.5M 0.03%
259,539
+8,794
+4% +$504K
CTRA
482
DELISTED
Coterra Energy
CTRA
$14.5M 0.03%
413,556
-430,267
-51% -$12.9M
PKG icon
483
Packaging Corp of America
PKG
$22.8B
$14.5M 0.03%
68,151
-4,075
-6% -$909K
AR icon
484
Antero Resources
AR
$10.6B
$14.4M 0.03%
339,690
-17,970
-5% -$656K
GIS icon
485
General Mills
GIS
$19.2B
$14.4M 0.03%
387,086
+55,142
+17% +$2.39M
LDOS icon
486
Leidos
LDOS
$16B
$14.4M 0.03%
92,626
+155
+0.2% +$27.8K
BIIB icon
487
Biogen
BIIB
$30.5B
$14.4M 0.03%
78,564
+2,620
+3% +$483K
DGX icon
488
Quest Diagnostics
DGX
$26B
$14.4M 0.03%
73,355
-2,914
-4% -$566K
REG icon
489
Regency Centers
REG
$14.5B
$14.4M 0.03%
189,964
-4,226
-2% -$315K
PFGC icon
490
Performance Food Group
PFGC
$17.6B
$14.3M 0.03%
167,425
-12,098
-7% -$1.11M
KIM icon
491
Kimco Realty
KIM
$16.8B
$14.3M 0.03%
638,047
+9,855
+2% +$217K
FICO icon
492
Fair Isaac
FICO
$23.6B
$14.3M 0.03%
13,396
+466
+4% +$639K
EQR icon
493
Equity Residential
EQR
$25.4B
$14.3M 0.03%
241,012
+16,217
+7% +$1M
PPLI
494
People Inc
PPLI
$3.28B
$14.3M 0.03%
356,113
+64,718
+22% +$2.45M
JLL icon
495
Jones Lang LaSalle
JLL
$17.2B
$14.2M 0.03%
46,823
-3,036
-6% -$981K
AWK icon
496
American Water Works
AWK
$26.7B
$14.2M 0.03%
104,465
+3,466
+3% +$458K
EGP icon
497
EastGroup Properties
EGP
$10.9B
$14.2M 0.03%
76,751
-4,949
-6% -$924K
MTD icon
498
Mettler-Toledo International
MTD
$28.5B
$14.2M 0.03%
11,239
+575
+5% +$776K
VRSK icon
499
Verisk Analytics
VRSK
$24.6B
$14.2M 0.03%
74,637
+2,270
+3% +$461K
NTRS icon
500
Northern Trust
NTRS
$33.7B
$14.1M 0.03%
101,205
-13,532
-12% -$1.95M
18 19
20
21 22

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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.