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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
-2.67%
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
$38.7B
AUM Growth
-$490M
Cap. Flow
+$1.41B
Cap. Flow %
3.64%
Top 10 Hldgs %
25.43%
Holding
2,386
New
123
Increased
1,235
Reduced
836
Closed
145

Top Buys

Rank Stock Value
1
RSP icon
Invesco S&P 500 Equal Weight ETF
RSP
+$795M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$386M
3
EFFE
Harbor Osmosis Emerging Markets Resource Efficient ETF
EFFE
+$105M
4
BRK.A icon
Berkshire Hathaway Class A
BRK.A
+$90.4M
5
EFFI
Harbor Osmosis International Resource Efficient ETF
EFFI
+$58.1M

Top Sells

Rank Stock Value
1
IBIT icon
iShares Bitcoin Trust
IBIT
+$322M
2
USHY icon
iShares Broad USD High Yield Corporate Bond ETF
USHY
+$85.2M
3
HEI.A icon
HEICO Corp Class A
HEI.A
+$34.6M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$26.5M
5
ALTR
Altair Engineering Inc
ALTR
+$21.6M

Sector Composition

Rank Sector Weight
1 Technology 24.98%
2 Financials 13.13%
3 Communication Services 10.56%
4 Healthcare 10.1%
5 Consumer Discretionary 9.45%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AR icon
426
Antero Resources
AR
$11.3B
$15.1M 0.04%
373,074
-15,954
-4% -$612K
SIMO icon
427
Silicon Motion
SIMO
$8.45B
$15.1M 0.04%
297,817
– –
GWRE icon
428
Guidewire Software
GWRE
$15.2B
$15M 0.04%
80,137
+7,249
+10% +$1.41M
GDDY icon
429
GoDaddy
GDDY
$12.7B
$15M 0.04%
83,067
-9,475
-10% -$1.81M
SKWD icon
430
Skyward Specialty Insurance
SKWD
$2.39B
$15M 0.04%
282,703
+2,528
+0.9% +$122K
BJ icon
431
BJs Wholesale Club
BJ
$11.9B
$15M 0.04%
131,043
+7,732
+6% +$796K
EXP icon
432
Eagle Materials
EXP
$6.41B
$14.9M 0.04%
66,968
+706
+1% +$167K
APTV icon
433
Aptiv
APTV
$10.2B
$14.8M 0.04%
248,441
+99,268
+67% +$6.29M
WRB icon
434
W.R. Berkley
WRB
$26.2B
$14.8M 0.04%
207,612
-2,638
-1% -$162K
GPK icon
435
Graphic Packaging
GPK
$3.51B
$14.8M 0.04%
568,348
+10,091
+2% +$270K
LDOS icon
436
Leidos
LDOS
$17.9B
$14.7M 0.04%
109,267
-36,671
-25% -$5.12M
PFGC icon
437
Performance Food Group
PFGC
$16.4B
$14.7M 0.04%
187,369
+19,288
+11% +$1.61M
MKL icon
438
Markel Group
MKL
$22.8B
$14.7M 0.04%
7,878
+223
+3% +$410K
CDW icon
439
CDW
CDW
$17.8B
$14.7M 0.04%
91,597
+17,068
+23% +$3.1M
CNP icon
440
CenterPoint Energy
CNP
$26.7B
$14.6M 0.04%
404,035
-25,642
-6% -$859K
MCHP icon
441
Microchip Technology
MCHP
$42.2B
$14.6M 0.04%
300,884
+3,907
+1% +$218K
SSNC icon
442
SS&C Technologies
SSNC
$19.3B
$14.6M 0.04%
174,220
+14,609
+9% +$1.21M
MTUM icon
443
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
$14.5M 0.04%
71,744
-396
-0.5% -$84.6K
KEYS icon
444
Keysight
KEYS
$60.5B
$14.4M 0.04%
96,437
+1,277
+1% +$211K
GEN icon
445
Gen Digital
GEN
$17.7B
$14.4M 0.04%
543,996
+3,711
+0.7% +$102K
STE icon
446
Steris
STE
$23B
$14.4M 0.04%
63,455
-19,305
-23% -$4.25M
PPG icon
447
PPG Industries
PPG
$25.5B
$14.3M 0.04%
131,179
+3,217
+3% +$371K
TSN icon
448
Tyson Foods
TSN
$19.8B
$14.3M 0.04%
223,951
+28,142
+14% +$1.65M
FTV icon
449
Fortive
FTV
$18.7B
$14.2M 0.04%
258,174
-20,856
-7% -$1.22M
ROAD icon
450
Construction Partners
ROAD
$6.73B
$14.2M 0.04%
197,959
-647
-0.3% -$51K
16 17
18
19 20

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State of Wisconsin Investment Board's Q1 2025 Portfolio in Review

As of Q1 2025, State of Wisconsin Investment Board held 2,386 positions worth $38.7B, down 1.2% from $39.2B the previous quarter. Its ten largest holdings account for 25% of the portfolio.

State of Wisconsin Investment Board deployed $1.41B of net new capital in Q1 2025, opening 123 new positions and adding to 1,235 existing holdings. Its largest new stake was Harbor Osmosis Emerging Markets Resource Efficient ETF: 5,140,000 shares worth $106M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 28% a quarter earlier, followed by Financials and Communication Services.

On the sell side, the largest reduction was HEICO Corp Class A, an estimated $34.6M trimmed.

  • State of Wisconsin Investment Board's largest Q1 2025 buy was Harbor Osmosis Emerging Markets Resource Efficient ETF: 5,140,000 shares worth $106M.
  • State of Wisconsin Investment Board added most to Invesco S&P 500 Equal Weight ETF in Q1 2025, an estimated $795M increase.
  • State of Wisconsin Investment Board's biggest Q1 2025 reduction was HEICO Corp Class A, cutting an estimated $34.6M.
  • State of Wisconsin Investment Board fully exited iShares Bitcoin Trust in Q1 2025, selling an estimated $322M.
  • State of Wisconsin Investment Board's ten largest holdings make up 25% of its $38.7B portfolio in Q1 2025.
  • State of Wisconsin Investment Board opened 123 new positions and closed 145 in Q1 2025.
  • State of Wisconsin Investment Board's portfolio value fell 1.2% quarter-over-quarter to $38.7B.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2025, filed 15 May 2025.