Security record
ATRA
name pending profile ingest
23Tracked holders
+1Δ holders
2.31MShares held
$26.52MReported value
+2New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +4.5% ·
share flow +30.0% ·
net new positions +4.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 23 | +1 | 2.31M | $26.52M | +2 | −1 |
| Q1 2026 | 22 | -5 | 1.77M | $8.38M | +3 | −8 |
| Q4 2025 | 27 | +2 | 761.24K | $13.76M | +2 | — |
| Q3 2025 | 9 | -1 | 547.31K | $7.84M | — | −1 |
| Q2 2025 | 8 | +2 | 446.45K | $3.45M | +2 | — |
| Q1 2025 | 3 | -3 | 101.37K | $602,201 | — | −3 |
| Q4 2024 | 6 | +1 | 449.58K | $5.98M | +1 | — |
| Q3 2024 | 4 | -1 | 550.99K | $4.48M | — | −1 |
| Q2 2024 | 5 | — | 480.97K | $4.09M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 850.00K | +21.4% | $9.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Point72 Asset Management ✦ | 687.72K | +254.0% | $7.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 247.05K | +13.4% | $2.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Mackenzie Financial Corp | 233.25K | -25.6% | $2.68M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 84.45K | +6.9% | $969,544 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 84.45K | +6.9% | $969,544 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 84.45K | +6.9% | $969,544 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 84.45K | +6.9% | $969,544 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 75.13K | +13.6% | $862,924 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 75.13K | +13.6% | $862,924 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 11 | Jane Street Group, Llc | 30.34K | -10.4% | $348,360 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Jane Street Group, Llc | 30.34K | -10.4% | $348,360 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | State Street Global Advisors ✦ (passive) | 26.45K | 0.0% | $303,680 | 0.0% | Held | 7 | SEC ↗ |
| 14 | Northern Trust Corp | 16.59K | +34.5% | $190,465 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Northern Trust Corp | 16.59K | +34.5% | $190,465 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Fidelity (FMR) ✦ | 16.24K | 0.0% | $186,412 | 0.0% | Held | 5 | SEC ↗ |
| 17 | Millennium Management ✦ | 12.68K | -73.4% | $145,566 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 10.16K | New | $116,625 | 0.0% | New | 1 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 10.16K | New | $116,625 | 0.0% | New | 1 | SEC ↗ |
| 20 | Morgan Stanley ✦ | 9.18K | +0.1% | $105,368 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Morgan Stanley ✦ | 9.18K | +0.1% | $105,368 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | Morgan Stanley ✦ | 9.18K | +0.1% | $105,368 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 9.18K | +0.1% | $105,368 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 9.18K | +0.1% | $105,368 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Royal Bank Of Canada | 4.74K | +9.8% | $55,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Royal Bank Of Canada | 4.74K | +9.8% | $55,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | UBS Group AG | 3.98K | -92.0% | $45,679 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | UBS Group AG | 3.98K | -92.0% | $45,679 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Jones Financial Companies Lllp | 803 | +14.2% | $8,440 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Barclays Plc | 304 | New | $3,490 | 0.0% | New | 1 | SEC ↗ |
| 31 | Wells Fargo & Company/Mn | 251 | 0.0% | $2,881 | 0.0% | Held | 3 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 216 | 0.0% | $2,413 | 0.0% | Held | 4 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 216 | 0.0% | $2,413 | 0.0% | Held | 4 | SEC ↗ |
| 34 | Citigroup Inc | 97 | +9600.0% | $1,114 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Bnp Paribas Financial Markets | 46 | -20.7% | $528 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Osaic Holdings, Inc. | 10 | 0.0% | $114 | 0.0% | Held | 3 | SEC ↗ |
| 37 | Rockefeller Capital Management L.P. | 8 | 0.0% | $92 | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $116,625 | 0.0% |
| Citadel Advisors | $116,625 | 0.0% |
| Barclays Plc | $3,490 | 0.0% |
Exited
| Rhumbline Advisers | $827 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 32 holders, 2.56M shares, $11.51M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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