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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
PODD icon
551
Insulet
PODD
$9.23B
$12.4M 0.03%
59,128
+15,031
+34% +$3.78M
PXH icon
552
Invesco FTSE RAFI Emerging Markets ETF
PXH
$1.96B
$12.4M 0.03%
460,425
– –
SOFI icon
553
SoFi Technologies
SOFI
$23.5B
$12.4M 0.03%
778,194
+174,791
+29% +$3.68M
BJ icon
554
BJs Wholesale Club
BJ
$12.3B
$12.3M 0.03%
125,281
-1,128
-0.9% -$109K
EEMS icon
555
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$367M
$12.3M 0.03%
178,113
– –
HUM icon
556
Humana
HUM
$43.7B
$12.3M 0.03%
71,010
+8,713
+14% +$1.79M
DECK icon
557
Deckers Outdoor
DECK
$13.5B
$12.3M 0.03%
122,908
+36,202
+42% +$3.88M
SCI icon
558
Service Corp International
SCI
$11.6B
$12.3M 0.03%
148,776
+43,611
+41% +$3.52M
CLS icon
559
Celestica
CLS
$41.7B
$12.3M 0.03%
43,600
-7,900
-15% -$2.29M
BPOP icon
560
Popular Inc
BPOP
$11.3B
$12.2M 0.03%
91,189
-5,724
-6% -$767K
AX icon
561
Axos Financial
AX
$5.89B
$12.2M 0.03%
143,781
-8,434
-6% -$769K
MGY icon
562
Magnolia Oil & Gas
MGY
$5.62B
$12.2M 0.03%
386,531
-50,550
-12% -$1.35M
TOST icon
563
Toast
TOST
$20.2B
$12.2M 0.03%
459,454
+117,224
+34% +$3.5M
BWA icon
564
BorgWarner
BWA
$13.7B
$12.2M 0.03%
224,286
+115,736
+107% +$6.1M
ATR icon
565
AptarGroup
ATR
$8.69B
$12.2M 0.03%
96,563
-6,305
-6% -$822K
JBHT icon
566
JB Hunt Transport Services
JBHT
$25.6B
$12.1M 0.03%
57,333
+6,447
+13% +$1.37M
UNP icon
567
CALL
Union Pacific
UNP
$176B
$12.1M 0.03%
+50,000
New +$12.2M
DRI icon
568
Darden Restaurants
DRI
$23.9B
$12.1M 0.03%
61,669
+1,447
+2% +$298K
MDB icon
569
MongoDB
MDB
$30.3B
$12.1M 0.03%
49,321
+4,354
+10% +$1.46M
BRX icon
570
Brixmor Property Group
BRX
$9.49B
$12.1M 0.03%
418,931
-26,205
-6% -$740K
WFRD icon
571
Weatherford International
WFRD
$6.27B
$12M 0.03%
127,319
+34,077
+37% +$3.21M
RGA icon
572
Reinsurance Group of America
RGA
$15.5B
$12M 0.03%
58,921
-6,822
-10% -$1.41M
TSN icon
573
Tyson Foods
TSN
$20.5B
$12M 0.03%
187,374
+11,460
+7% +$712K
ARGT icon
574
Global X MSCI Argentina ETF
ARGT
$836M
$11.9M 0.03%
128,000
+101,200
+378% +$9.31M
IFF icon
575
International Flavors & Fragrances
IFF
$22.5B
$11.9M 0.03%
164,078
+12,381
+8% +$909K
21 22
23
24 25

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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.