3 hedge funds and family offices disclose a AIR position in their latest SEC 13F filing — combined $10.0M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Mairs & Power | Mairs & Power Inc | 112,176 | $9.3M | 0.09% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 4,034 | $577K | 0.00% | 2026-06-30 |
| 3 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 2,183 | $181K | 0.03% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold AIR. The largest disclosed position is Mairs & Power at $9.3M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying AIR, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
3 hedge funds and family offices disclose a AIR position in their latest SEC 13F filing — combined $10.0M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Mairs & Power | Mairs & Power Inc | 112,176 | $9.3M | 0.09% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 4,034 | $577K | 0.00% | 2026-06-30 |
| 3 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 2,183 | $181K | 0.03% | 2025-12-31 |
As of the latest 13F window, 3 tracked superinvestors hold AIR. The largest disclosed position is Mairs & Power at $9.3M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying AIR, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
