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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
VTEB icon
451
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.2B
$15.4M 0.04%
309,000
– –
HUBB icon
452
Hubbell
HUBB
$27.1B
$15.4M 0.04%
31,359
+828
+3% +$407K
MTZ icon
453
MasTec
MTZ
$21.4B
$15.3M 0.04%
47,641
-4,016
-8% -$1.09M
CVE icon
454
Cenovus Energy
CVE
$51.1B
$15.3M 0.03%
576,450
-89,300
-13% -$1.9M
NI icon
455
NiSource
NI
$20.6B
$15.2M 0.03%
326,461
-13,518
-4% -$609K
FIS icon
456
Fidelity National Information Services
FIS
$22.1B
$15.2M 0.03%
324,097
+40,042
+14% +$2.15M
VEEV icon
457
Veeva Systems
VEEV
$34.7B
$15.2M 0.03%
86,509
+4,364
+5% +$857K
SPXC icon
458
SPX Corp
SPXC
$10.8B
$15.2M 0.03%
76,001
-4,959
-6% -$1.07M
ULTA icon
459
Ulta Beauty
ULTA
$23.2B
$15.2M 0.03%
29,022
+1,137
+4% +$723K
PPL
460
PPL Corp
PPL
$26.3B
$15.1M 0.03%
396,200
+13,090
+3% +$483K
CNC icon
461
Centene
CNC
$33.1B
$15.1M 0.03%
461,549
+102,740
+29% +$4.21M
AES icon
462
AES
AES
$10.5B
$15.1M 0.03%
1,070,750
+610,602
+133% +$9.09M
JBL icon
463
Jabil
JBL
$35.5B
$15M 0.03%
56,563
-6,273
-10% -$1.58M
FNV icon
464
Franco-Nevada
FNV
$43.7B
$15M 0.03%
60,785
-11,800
-16% -$2.92M
IP icon
465
International Paper
IP
$22.4B
$15M 0.03%
420,127
+113,832
+37% +$4.73M
WY icon
466
Weyerhaeuser
WY
$18.6B
$15M 0.03%
613,647
-51,097
-8% -$1.29M
WRB icon
467
W.R. Berkley
WRB
$26.8B
$15M 0.03%
225,725
-20,840
-8% -$1.44M
VMI icon
468
Valmont Industries
VMI
$9.58B
$15M 0.03%
37,426
-2,280
-6% -$996K
EXR icon
469
Extra Space Storage
EXR
$31.7B
$14.9M 0.03%
113,665
+3,892
+4% +$549K
WTW icon
470
Willis Towers Watson
WTW
$31.4B
$14.9M 0.03%
51,262
+767
+2% +$235K
NWE icon
471
NorthWestern Energy
NWE
$4.25B
$14.9M 0.03%
225,250
+191,629
+570% +$13M
KGC icon
472
Kinross Gold
KGC
$30.5B
$14.8M 0.03%
486,937
-56,900
-10% -$1.86M
DOO
473
Bombardier Recreational Products
DOO
$4.81B
$14.8M 0.03%
207,093
-7,734
-4% -$567K
XENE icon
474
Xenon Pharmaceuticals
XENE
$6.19B
$14.8M 0.03%
254,483
+48,914
+24% +$2.25M
TKO icon
475
TKO Group
TKO
$13.4B
$14.7M 0.03%
72,952
-12,755
-15% -$2.61M
17 18
19
20 21

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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.