Security record · archived quarter
ACRS
Aclaris Therapeutics, Inc. · Healthcare · Biotechnology
13Tracked holders
0Δ holders
38.17MShares held
$54.21MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +5.3% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 61 | -2 | 42.13M | $222.66M | +3 | −5 |
| Q1 2026 | 65 | -2 | 41.75M | $156.42M | +5 | −7 |
| Q4 2025 | 67 | +2 | 40.44M | $121.72M | +2 | — |
| Q3 2025 | 17 | +1 | 36.82M | $69.96M | +1 | — |
| Q2 2025 | 13 | 0 | 38.17M | $54.21M | — | — |
| Q1 2025 | 10 | 0 | 23.63M | $36.15M | — | — |
| Q4 2024 | 10 | +2 | 20.49M | $50.82M | +2 | — |
| Q3 2024 | 7 | -1 | 10.01M | $11.51M | — | −1 |
| Q2 2024 | 8 | — | 10.87M | $11.95M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 9.63M | 0.0% | $13.67M | 0.0% | Held | 3 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 6.66M | — | $9.46M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 6.66M | — | $9.46M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 6.66M | — | $9.46M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 5.51M | — | $7.83M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Millennium Management ✦ | 3.84M | -7.2% | $5.45M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 2.80M | -4.9% | $3.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 2.80M | -4.9% | $3.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | Geode Capital Management ✦ (passive) | 2.46M | +108.4% | $3.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 2.46M | +108.4% | $3.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Marshall Wace ✦ | 2.29M | -0.9% | $3.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Marshall Wace ✦ | 2.29M | -0.9% | $3.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Renaissance Technologies ✦ | 1.46M | +54.0% | $2.08M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | Citadel Advisors ✦ | 1.14M | +1.9% | $1.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 1.14M | +1.9% | $1.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 1.01M | +147.1% | $1.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 749.66K | -8.6% | $1.06M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 442.25K | — | $627,991 | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 442.25K | — | $627,991 | 0.0% | n/c | 1 | SEC ↗ |
| 26 | T. Rowe Price ✦ | 166.37K | +35.1% | $237,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 135 holders, 108.23M shares, $397.63M 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 2025 ·
Methodology ·
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