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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
GOSS icon
2451
Gossamer Bio
GOSS
$87.2M
– –
-26,304
Closed -$81.5K
GYRE icon
2452
Gyre Therapeutics
GYRE
$714M
– –
-24,800
Closed -$175K
HI
2453
DELISTED
Hillenbrand
HI
– –
-28,359
Closed -$900K
HNST icon
2454
The Honest Company
HNST
$581M
– –
-43,300
Closed -$112K
HOUS
2455
DELISTED
Anywhere Real Estate
HOUS
– –
-60,950
Closed -$863K
HZO icon
2456
MarineMax
HZO
$776M
– –
-46,524
Closed -$1.13M
ICHR icon
2457
Ichor Holdings
ICHR
$2.45B
– –
-111,669
Closed -$2.06M
INDA icon
2458
iShares MSCI India ETF
INDA
$6.6B
– –
-41,800
Closed -$2.26M
INGN icon
2459
Inogen
INGN
$176M
– –
-24,231
Closed -$163K
ISPO
2460
DELISTED
Inspirato
ISPO
– –
-15,358
Closed -$64K
JAAA icon
2461
Janus Henderson AAA CLO ETF
JAAA
$29.2B
– –
-1,000,000
Closed -$50.6M
JACK icon
2462
Jack in the Box
JACK
$331M
– –
-18,127
Closed -$344K
JAMF
2463
DELISTED
Jamf
JAMF
– –
-24,554
Closed -$319K
KOPN icon
2464
Kopin
KOPN
$756M
– –
-450,000
Closed -$1.05M
KREF
2465
KKR Real Estate Finance Trust
KREF
$478M
– –
-19,399
Closed -$159K
KWEB icon
2466
CALL
KraneShares CSI China Internet ETF
KWEB
$5.62B
– –
-2,000,000
Closed -$68.1M
LIND icon
2467
Lindblad Expeditions
LIND
$2.23B
– –
-30,364
Closed -$438K
LPRO
2468
DELISTED
Open Lending Corp
LPRO
– –
-19,254
Closed -$29.8K
LQDT icon
2469
Liquidity Services
LQDT
$1.31B
– –
-12,928
Closed -$392K
MAN icon
2470
ManpowerGroup
MAN
$2.57B
– –
-88,621
Closed -$2.63M
MCS icon
2471
Marcus Corp
MCS
$944M
– –
-29,894
Closed -$464K
MEI icon
2472
Methode Electronics
MEI
$585M
– –
-49,400
Closed -$328K
MNPR icon
2473
Monopar Therapeutics
MNPR
$805M
– –
-5,757
Closed -$376K
MOFG
2474
DELISTED
MidWestOne Financial Group
MOFG
– –
-22,690
Closed -$874K
MSEX icon
2475
Middlesex Water
MSEX
$1.08B
– –
-8,304
Closed -$419K
97 98
99
100 101

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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.