STATE OF WISCONSIN INVESTMENT BOARD
Institutional investor · Portfolio as of Q1 2026
Top Holdings2,491 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
NVIDIA CORP | 13M | $2.3B | 5.2% | $115.42 | +95.07% | 30 qtrssince 2018-Q4 | Increased 64 |
APPLE INC | 7.9M | $2B | 4.6% | $106.23 | +187.98% | 30 qtrssince 2018-Q4 | Increased 60 |
MICROSOFT CORP | 3.8M | $1.4B | 3.2% | $137.06 | +261.45% | 30 qtrssince 2018-Q4 | Increased 61 |
INVESCO S&P 500 EQUAL WEIGHT | 6.6M | $1.3B | 2.9% | $176.53 | +26.20% | 6 qtrssince 2024-Q4 | Decreased 0 |
AMAZON.COM INC | 5.2M | $1.1B | 2.5% | $117.59 | +123.37% | 30 qtrssince 2018-Q4 | Increased 57 |
ALPHABET INC-CL A | 3.1M | $899.5M | 2.1% | $131.49 | +163.06% | 30 qtrssince 2018-Q4 | Increased 56 |
BROADCOM INC | 2.5M | $760.3M | 1.7% | $163.72 | +140.04% | 30 qtrssince 2018-Q4 | Increased 52 |
ALPHABET INC-CL C | 2.6M | $746.8M | 1.7% | $103.48 | +232.00% | 30 qtrssince 2018-Q4 | Increased 51 |
META PLATFORMS INC-CLASS A | 1.2M | $667.7M | 1.5% | $217.84 | +170.77% | 30 qtrssince 2018-Q4 | Increased 52 |
TESLA INC | 1.5M | $563.1M | 1.3% | $226.84 | +50.89% | 30 qtrssince 2018-Q4 | Increased 51 |
BERKSHIRE HATHAWAY INC-CL A | 630 | $452.4M | 1.0% | $733,467.09 | +3.01% | 7 qtrssince 2024-Q3 | Increased 50 |
JPMORGAN CHASE & CO | 1.5M | $428.7M | 1.0% | $103.93 | +249.10% | 30 qtrssince 2018-Q4 | Increased 45 |
FOX CORP - CLASS B | 7.8M | $415.3M | 1.0% | $38.20 | +60.78% | 29 qtrssince 2019-Q1 | Increased 44 |
ELI LILLY & CO | 431,162 | $396.6M | 0.9% | $219.03 | +318.60% | 30 qtrssince 2018-Q4 | Increased 45 |
HARBOR ETF TRUST | 9.9M | $391.5M | 0.9% | $21.23 | +119.64% | 14 qtrssince 2022-Q4 | Unchanged 0 |
EXXON MOBIL CORP | 2.3M | $383.1M | 0.9% | $64.92 | +146.60% | 30 qtrssince 2018-Q4 | Increased 45 |
BERKSHIRE HATHAWAY INC-CL B | 743,054 | $356.1M | 0.8% | $250.87 | +100.91% | 30 qtrssince 2018-Q4 | Increased 45 |
JOHNSON & JOHNSON | 1.3M | $316.6M | 0.7% | $128.65 | +102.38% | 30 qtrssince 2018-Q4 | Increased 45 |
HEICO CORP-CLASS A | 1.4M | $302.8M | 0.7% | $167.59 | +64.08% | 30 qtrssince 2018-Q4 | Increased 59 |
WALMART INC | 2.3M | $291.7M | 0.7% | $55.18 | +108.88% | 30 qtrssince 2018-Q4 | Increased 45 |
STATE OF WISCONSIN INVESTMENT BOARD manages $43.7B across 2491 positions as of Q1 2026. Top holdings: NVDA (5.2%), AAPL (4.6%), MSFT (3.2%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 3.5/5.0.
Active quarter - 272 new positions, 152 exits, 1113 increased. Top move: NVDA (INCREASED, conviction 64). Portfolio: $43.7B across 2491 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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Top Losers
Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer