STATE OF WISCONSIN INVESTMENT BOARD

CIK
854157
City
MADISON
State / Country
WI

Top Portfolio Positions

2,288 positions · $37,287,500,173 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
NVDA
Nvidia Corp
Technology
13,031,252 $2,272,650,348 6.09%
AAPL
Apple Inc.
Technology
7,905,859 $2,006,427,955 5.38%
MSFT
Microsoft Corp
Technology
3,801,033 $1,407,028,385 3.77%
AMZN
Amazon Com Inc
Consumer Cyclical
5,170,390 $1,076,837,125 2.89%
GOOGL
Alphabet Inc.
Communication Services
3,128,058 $899,504,358 2.41%
AVGO
Broadcom Inc.
Technology
2,456,462 $760,299,553 2.04%
META
Meta Platforms, Inc.
Communication Services
1,167,125 $667,747,226 1.79%
TSLA
Tesla, Inc.
Consumer Cyclical
1,514,635 $563,065,561 1.51%
JPM
Jpmorgan Chase & Co
Financial Services
1,457,420 $428,714,667 1.15%
LLY
ELI LILLY & Co
Healthcare
431,162 $396,569,872 1.06%

Portfolio Trend

52 quarters · across all stocks

Holdings in BCO

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Shares Held

Position Value (USD)

25 of 25 shown
Report Date Value (USD) Shares
2026-03-31 $16,035,291 154,736
2025-12-31 $18,124,083 155,265
2025-09-30 $17,108,888 146,405
2025-06-30 $14,235,058 159,425
2025-03-31 $12,558,595 145,759
2024-12-31 $13,337,821 143,773
2024-09-30 $15,800,933 136,639
2024-06-30 $14,044,262 137,151
2024-03-31 $14,329,985 155,120
2023-12-31 $14,726,435 167,441
2023-09-30 $9,833,712 135,376
2023-06-30 $10,452,399 154,097
2023-03-31 $10,378,649 155,369
2022-12-31 $9,527,509 177,388
2022-09-30 $8,756,256 180,765
2022-06-30 $11,187,699 184,281
2022-03-31 $12,376,000 182,000
2021-12-31 $11,933,740 182,000
2021-09-30 $9,545,640 150,800
2021-06-30 $11,587,472 150,800
2021-03-31 $11,947,884 150,800
2020-12-31 $10,857,600 150,800
2020-09-30 $6,968,864 169,600
2020-06-30 $7,718,496 169,600
2020-03-31 $8,827,680 169,600