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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
SBGI icon
2501
Sinclair Inc
SBGI
$1.07B
– –
-51,663
Closed -$790K
SCL icon
2502
Stepan Co
SCL
$1.45B
– –
-7,721
Closed -$366K
SLV icon
2503
PUT
iShares Silver Trust
SLV
$29.8B
– –
-400,000
Closed -$25.8M
SNCY
2504
DELISTED
Sun Country Airlines
SNCY
– –
-102,228
Closed -$1.47M
SNV
2505
DELISTED
Synovus
SNV
– –
-218,090
Closed -$10.9M
SPT icon
2506
Sprout Social
SPT
$492M
– –
-80,460
Closed -$907K
SRLN icon
2507
State Street Blackstone Senior Loan ETF
SRLN
$5.33B
– –
-609,000
Closed -$25.1M
TBI
2508
Trueblue
TBI
$311M
– –
-93,662
Closed -$426K
TCX icon
2509
Tucows
TCX
$157M
– –
-10,900
Closed -$244K
TGLS icon
2510
Tecnoglass Holdings Inc.
TGLS
$1.97B
– –
-34,375
Closed -$1.73M
TGNA
2511
DELISTED
TEGNA Inc
TGNA
– –
-18,649
Closed -$362K
THS
2512
DELISTED
Treehouse Foods
THS
– –
-20,179
Closed -$476K
UIS icon
2513
Unisys
UIS
$210M
– –
-18,500
Closed -$51.1K
ULH icon
2514
Universal Logistics Holdings
ULH
$485M
– –
-10,700
Closed -$163K
UTL icon
2515
Unitil
UTL
$981M
– –
-4,487
Closed -$217K
VOO icon
2516
Vanguard S&P 500 ETF
VOO
$1.01T
– –
-550
Closed -$345K
VRE
2517
DELISTED
Veris Residential
VRE
– –
-23,695
Closed -$353K
VSTM icon
2518
Verastem
VSTM
$519M
– –
-39,107
Closed -$302K
VSTS icon
2519
Vestis
VSTS
$1.83B
– –
-27,628
Closed -$184K
WLY icon
2520
John Wiley & Sons Class A
WLY
$2.72B
– –
-10,918
Closed -$334K
WOOF icon
2521
Petco
WOOF
$791M
– –
-143,301
Closed -$403K
XRT icon
2522
State Street SPDR S&P Retail ETF
XRT
$323M
– –
-633,318
Closed -$54M
ZG icon
2523
Zillow
ZG
$7.59B
– –
-595,214
Closed -$40.6M
ARQ icon
2524
Arq
ARQ
$90.6M
– –
-22,965
Closed -$75.1K
DAY
2525
DELISTED
Dayforce
DAY
– –
-10,576
Closed -$731K
98 99 100
101
102

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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.