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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
ADAM
1601
Adamas Trust
ADAM
$883M
$988K ﹤0.01%
134,181
+49,579
+59% +$395K
MAX icon
1602
MediaAlpha
MAX
$821M
$987K ﹤0.01%
106,160
+59,318
+127% +$585K
RARE icon
1603
Ultragenyx Pharmaceutical
RARE
$2.55B
$986K ﹤0.01%
47,058
-11,599
-20% -$261K
VRRM icon
1604
Verra Mobility
VRRM
$744M
$985K ﹤0.01%
68,957
+25,846
+60% +$474K
NKTR icon
1605
Nektar Therapeutics
NKTR
$2.58B
$984K ﹤0.01%
13,670
+5,041
+58% +$287K
ALMS
1606
Alumis Inc
ALMS
$3.52B
$981K ﹤0.01%
+44,510
New +$1.11M
BKU icon
1607
Bankunited
BKU
$3.36B
$978K ﹤0.01%
21,667
+1,914
+10% +$89.4K
WT icon
1608
WisdomTree
WT
$3.22B
$974K ﹤0.01%
66,915
+44,566
+199% +$689K
TPG icon
1609
TPG
TPG
$7.86B
$973K ﹤0.01%
24,018
+16,396
+215% +$841K
HAFC icon
1610
Hanmi Financial
HAFC
$946M
$972K ﹤0.01%
36,882
-7,211
-16% -$194K
HIFS icon
1611
Hingham Institution for Saving
HIFS
$663M
$968K ﹤0.01%
3,388
-700
-17% -$205K
CYRX icon
1612
CryoPort
CYRX
$762M
$967K ﹤0.01%
116,731
+2,714
+2% +$24.5K
KMT icon
1613
Kennametal
KMT
$2.52B
$965K ﹤0.01%
26,714
+3,732
+16% +$136K
PK icon
1614
Park Hotels & Resorts
PK
$2.97B
$965K ﹤0.01%
91,626
+81,326
+790% +$898K
LYTS icon
1615
LSI Industries
LYTS
$924M
$959K ﹤0.01%
51,535
-12,147
-19% -$251K
KBH icon
1616
KB Home
KBH
$3.59B
$957K ﹤0.01%
18,492
+5,344
+41% +$314K
ARDX icon
1617
Ardelyx
ARDX
$997M
$957K ﹤0.01%
159,748
-36,196
-18% -$239K
SPLB icon
1618
State Street SPDR Portfolio Long Term Corporate Bond ETF
SPLB
$1.17B
$954K ﹤0.01%
42,920
– –
QS icon
1619
QuantumScape Corp
QS
$3.74B
$953K ﹤0.01%
149,421
+6,483
+5% +$53.9K
DFTX
1620
Definium Therapeutics
DFTX
$6.12B
$953K ﹤0.01%
50,420
-8,182
-14% -$139K
SIGA icon
1621
SIGA Technologies
SIGA
$219M
$951K ﹤0.01%
177,800
-37,516
-17% -$234K
SUPV
1622
Grupo Supervielle
SUPV
$753M
$951K ﹤0.01%
100,815
– –
SOC icon
1623
Sable Offshore Corp
SOC
$911M
$949K ﹤0.01%
57,441
-326
-0.6% -$3.81K
TNGX icon
1624
Tango Therapeutics
TNGX
$4.41B
$949K ﹤0.01%
45,348
+16,011
+55% +$223K
GCT icon
1625
GigaCloud Technology
GCT
$1.9B
$942K ﹤0.01%
20,749
-29,030
-58% -$1.18M
63 64
65
66 67

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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.