Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ACRS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BML Capital Management, LLC | 14.3M | $53.4M | 0.0% | 11.816% | 34.38% |
| 2 | Deep Track Capital, LP | 9.3M | $35.0M | β | 7.749% | 0.72% |
| 3 | BlackRock, Inc. | 7.4M | $27.8M | +8.8% | 6.142% | 0.00% |
| 4 | RA CAPITAL MANAGEMENT, L.P. | 6.8M | $25.5M | β | 5.642% | 0.27% |
| 5 | Vivo Capital, LLC | 6.7M | $25.0M | -25.0% | 5.528% | 2.09% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $19.4M | β | 4.285% | 0.00% |
| 7 | Frazier Life Sciences Management, L.P. | 4.9M | $18.5M | β | 4.084% | 0.48% |
| 8 | Rock Springs Capital Management LP | 4.5M | $16.8M | +0.4% | 3.709% | 0.99% |
| 9 | Decheng Capital LLC | 4.0M | $15.2M | 0.0% | 3.352% | 2.29% |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 3.9M | $14.5M | +14.8% | 3.210% | 0.02% |
| 11 | BALYASNY ASSET MANAGEMENT LLC | 3.4M | $12.6M | β | 2.787% | 0.04% |
| 12 | CITADEL ADVISORS LLC | 2.8M | $10.6M | +20.2% | 2.337% | 0.00% |
| 13 | MORGAN STANLEY | 2.7M | $10.3M | -19.6% | 2.277% | 0.00% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $9.1M | +1.3% | 2.010% | 0.00% |
| 15 | STATE STREET CORP | 2.0M | $7.5M | +33.4% | 1.666% | 0.00% |
| 16 | BRAIDWELL LP | 1.7M | $6.4M | β | 1.409% | 0.21% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | $6.2M | β | 1.373% | 0.00% |
| 18 | Palo Alto Investors LP | 1.6M | $6.1M | +3.0% | 1.338% | 0.93% |
| 19 | Woodline Partners LP | 1.5M | $5.6M | +100.2% | 1.232% | 0.02% |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | 1.4M | $5.3M | -1.1% | 1.176% | 0.01% |
| 21 | Kalehua Capital Management LLC | 1.3M | $5.0M | β | 1.109% | 4.23% |
| 22 | DEUTSCHE BANK AG\ | 998K | $3.7M | +1.1% | 0.827% | 0.00% |
| 23 | Aldebaran Capital, LLC | 947K | $3.6M | -0.7% | 0.785% | 2.72% |
| 24 | D. E. Shaw & Co., Inc. | 901K | $3.4M | -57.0% | 0.747% | 0.00% |
| 25 | MILLENNIUM MANAGEMENT LLC | 756K | $2.8M | -28.2% | 0.627% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ACRS β a direct measure of their conviction.
Filings activity in ACRS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ACRS position in Q1 2026
Institutions that fully closed their ACRS position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 135 | +12% | 76.90% | 123.09 pp | $401M | 74% |
| Q4 2025 | 121 | +17% | 199.99% | +170.14 pp | $1.54B | +891% |
| Q3 2025 | 103 | +7.3% | 29.85% | +6.00 pp | $156M | +25% |
| Q2 2025 | 96 | 9.4% | 23.85% | 2.21 pp | $124M | 8.5% |
| Q1 2025 | 106 | +10% | 26.06% | 14.79 pp | $136M | 36% |
| Q4 2024 | 96 | +19% | 40.85% | +3.84 pp | $213M | +10% |
| Q3 2024 | 81 | 16% | 37.01% | +26.94 pp | $193M | +267% |
| Q2 2024 | 97 | β | 10.07% | β | $52M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ACRS stock.
Based on Q1 2026 13F filings, institutional ownership of Aclaris Therapeutics, Inc. stands at 76.9%, held across 135 reporting institutions.
BML Capital Management, LLC is the largest reported institutional holder of ACRS, with approximately 14,250,000 shares worth $0.05B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of ACRS, including CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for ACRS is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
34 institutions opened new positions in ACRS during Q1 2026, while 20 fully exited. 79 added to existing positions and 20 trimmed.
ACRS institutional ownership fell by 123.09 percentage points quarter-over-quarter, with a net change of +14 holders.
The top 10 institutions account for 62.7% of all reported 13F value in ACRS, and the top 25 account for 87.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Aclaris Therapeutics, Inc. (ACRS) Institutional Ownership