ACHR
Archer Aviation Inc. · Industrials · Aerospace & Defense
Momentum inputs (comparable managers):
holder breadth +18.2% ·
share flow -6.0% ·
net new positions +15.4%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 110 | -3 | 301.53M | $1.41B | +4 | −8 |
| Q1 2026 | 117 | -4 | 279.71M | $1.43B | +3 | −8 |
| Q4 2025 | 121 | +1 | 303.46M | $2.27B | +2 | — |
| Q3 2025 | 18 | -1 | 208.84M | $1.99B | — | −1 |
| Q2 2025 | 16 | 0 | 185.77M | $2.00B | +1 | −1 |
| Q1 2025 | 13 | +2 | 71.00M | $496.80M | +3 | −1 |
| Q4 2024 | 11 | +2 | 75.54M | $726.72M | +2 | — |
| Q3 2024 | 8 | +2 | 33.64M | $97.98M | +3 | −1 |
| Q2 2024 | 6 | — | 33.06M | $111.72M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | ARK Investment Management ✦ | 27.32M | -8.7% | $194.21M | 1.9% | ▼ Trim | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 21.31M | +30.2% | $151.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 8.32M | +42.6% | $59.17M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Citadel Advisors ✦ | 4.37M | -41.4% | $31.05M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 5 | Wellington Management ✦ | 1.72M | +5.6% | $12.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Millennium Management ✦ | 1.67M | -67.4% | $11.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 1.67M | -44.7% | $11.85M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 1.24M | -71.7% | $8.81M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Adage Capital Partners ✦ | 700.00K | New | $4.98M | 0.0% | New | 1 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 1.76M | +4.9% | $4.53M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 11 | Marshall Wace ✦ | 614.54K | New | $4.37M | 0.0% | New | 1 | SEC ↗ ×2 |
| 12 | T. Rowe Price ✦ | 266.18K | +101.4% | $1.89M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 41.22K | New | $293,038 | 0.0% | New | 1 | SEC ↗ ×5 |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $4.98M | 0.0% |
| Marshall Wace | $4.37M | 0.0% |
| AQR Capital Management | $293,038 | 0.0% |
Exited
| Gotham Asset Management | $219,356 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 519 holders, 365.45M shares, $1.85B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 45.36K sh · $246,299
Officer · 100.00K sh · $631,000
Officer · 52.76K sh · $338,352
Officer · 50.19K sh · $321,846
Officer · 13.88K sh · $89,010
Officer · 10.02K sh · $64,224
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology