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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
MTUS icon
2526
Metallus
MTUS
$888M
– –
-49,872
Closed -$856K
NNE
2527
Nano Nuclear Energy
NNE
$946M
– –
-27,704
Closed -$665K
FLOC
2528
Flowco Holdings
FLOC
$876M
– –
-10,218
Closed -$191K
AHL
2529
DELISTED
Aspen Insurance
AHL
– –
-6,300
Closed -$234K
FIG
2530
Figma
FIG
$12.8B
– –
-47,913
Closed -$1.79M
WDAF
2531
WisdomTree Asia Defense Fund
WDAF
$22.6M
– –
-168,000
Closed -$4.79M
GPACU
2532
General Purpose Acquisition Corp Units
GPACU
– –
-100,000
Closed -$1M
SAC.U
2533
Safeguard Acquisition Corp Units
SAC.U
– –
-100,000
Closed -$1.01M
MESHU
2534
Meshflow Acquisition Corp Units
MESHU
– –
-10,000
Closed -$100K
BLRKU
2535
Bluerock Acquisition Corp Unit
BLRKU
$153M
– –
-10,000
Closed -$100K
ITHAU
2536
ITHAX Acquisition Corp III Units
ITHAU
– –
-130,000
Closed -$1.3M
ADACU
2537
American Drive Acquisition Co Units
ADACU
– –
-50,000
Closed -$499K
LPCVU
2538
Launchpad Cadenza Acquisition Corp I Unit
LPCVU
$201M
– –
-25,000
Closed -$250K
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.