Aclaris TherapeuticsACRS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 148 institutions reported holding Aclaris Therapeutics Inc. (ACRS) in their 13F filings, up 12 from Q1 2026. 27 opened new positions and 14 sold out. The largest holders were Ra Capital Management, L.P. ($67.3M), BML Capital Management, LLC ($63.3M) and BlackRock, Inc. ($53.1M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Aclaris Therapeutics Inc.
- CUSIP
- 00461U105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $26.7M |
| Exits | 14 | $7.7M |
All 13F filers, Q1 2026 → Q2 2026: 21,241,857 shares bought and 11,310,525 shares sold, net +9,931,332 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 148 holders
| Ra Capital Management, L.P. | 0.59% | Add +87.0% | 12,723,026 | $67.3M |
| BML Capital Management, LLC | 36.18% | Reduce -16.0% | 11,975,000 | $63.3M |
| BlackRock, Inc. | 0.00% | Add +35.5% | 10,037,008 | $53.1M |
| Deep Track Capital, LP | 0.73% | No change | 9,345,000 | $49.4M |
| Vivo Capital, LLC | 3.23% | Add +0.4% | 6,694,637 | $35.4M |
| Vanguard Capital Management LLC | 0.00% | Add +12.6% | 5,817,866 | $30.8M |
| Frazier Life Sciences Management, L.P. | 0.57% | No change | 4,925,374 | $26.1M |
| Rock Springs Capital Management LP | 1.12% | Reduce -3.2% | 4,330,532 | $22.9M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Add +5.2% | 4,071,000 | $21.5M |
| Decheng Capital LLC | 2.92% | No change | 4,041,736 | $21.4M |
| State Street Corp. | 0.00% | Add +62.1% | 3,255,340 | $17.2M |
| Geode Capital Management, LLC | 0.00% | Add +31.6% | 3,190,058 | $16.9M |
| Braidwell LP | 0.44% | Add +26.1% | 2,142,348 | $11.3M |
| Balyasny Asset Management L.P. | 0.02% | Reduce -39.8% | 2,023,470 | $10.7M |
| Silverarc Capital Management, LLC | 1.15% | New | 1,946,482 | $10.3M |
| Kalehua Capital Management LLC | 5.57% | No change | 1,832,365 | $9.7M |
| Citadel Advisors | 0.01% | Reduce -21.7% | 1,762,081 | $9.3M |
| Jones Hill Capital LP | 1.98% | New | 1,759,492 | $9.3M |
| Acadian Asset Management LLC | 0.01% | Add +6.6% | 1,641,472 | $8.7M |
| Palo Alto Investors LP | 1.18% | No change | 1,613,430 | $8.5M |
| Woodline Partners LP | 0.03% | Add +8.4% | 1,611,054 | $8.5M |
| Vanguard Portfolio Management LLC | 0.00% | Reduce -11.5% | 1,465,735 | $7.8M |
| Panagora Asset Management Inc. | 0.02% | Add +170.0% | 1,356,152 | $7.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -14.7% | 1,209,886 | $6.4M |
| MPM Bioimpact LLC | 0.34% | Add +166.0% | 1,042,467 | $5.5M |
| Deutsche Bank AG | 0.00% | Add +4.3% | 1,040,955 | $5.5M |
| Northern Trust Corp. | 0.00% | Add +37.1% | 998,763 | $5.3M |
| Aldebaran Capital, LLC | 3.72% | Reduce -1.1% | 936,731 | $5.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +44.3% | 907,173 | $4.8M |
| Renaissance Technologies | 0.01% | Add +62.6% | 817,531 | $4.3M |
| Three Bridge Wealth Advisors, LLC | 0.95% | No change | 714,823 | $3.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +3.5% | 609,158 | $3.2M |
| Millennium Management | 0.00% | Reduce -30.7% | 523,895 | $2.8M |
| Dimensional Fund Advisors LP | 0.00% | Add +0.5% | 513,840 | $2.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -3.6% | 468,964 | $2.4M |
| Aisling Capital Management LP | 0.49% | No change | 434,455 | $2.3M |
| Bollard Group LLC | 0.07% | No change | 431,631 | $2.3M |
| Orbimed Advisors LLC | 0.04% | New | 421,500 | $2.2M |
| D. E. Shaw & Co. | 0.00% | Reduce -54.0% | 414,499 | $2.2M |
| Susquehanna International Group, LLP | 0.00% | Add +8.6% | 412,549 | $2.2M |
| Tetragon Partners GP Ltd | 0.34% | New | 400,000 | $2.1M |
| Russell Investments Group, Ltd. | 0.00% | Add +18.5% | 365,055 | $1.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +32.6% | 346,058 | $1.8M |
| FMR LLC | 0.00% | Add +78.0% | 313,850 | $1.7M |
| Bank of New York Mellon Corp | 0.00% | Add +36.5% | 282,599 | $1.5M |
| Nuveen, LLC | 0.00% | Add +135.9% | 278,404 | $1.5M |
| Raymond James Financial Inc. | 0.00% | Add +3.4% | 275,611 | $1.5M |
| Wellington Management Group LLP | 0.00% | Add +4.0% | 267,498 | $1.4M |
| Superstring Capital Management LP | 0.86% | Reduce -29.7% | 257,675 | $1.4M |
| UBS Group AG | 0.00% | Add +24.3% | 257,001 | $1.4M |
| Invesco Ltd. | 0.00% | Add +13.1% | 243,028 | $1.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +41.4% | 221,599 | $1.2M |
| HighTower Advisors, LLC | 0.00% | Reduce -28.9% | 217,524 | $1.2M |
| Creative Planning | 0.00% | Add +35.9% | 206,647 | $1.1M |
| Logos Global Management LP | 0.05% | Reduce -60.0% | 200,000 | $1.1M |
| Verdad Advisers, LP | 0.89% | Reduce -11.1% | 175,272 | $927K |
| Informed Momentum Co LLC | 0.08% | Reduce -4.0% | 171,327 | $906K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -12.8% | 154,554 | $818K |
| Atom Investors LP | 0.07% | New | 148,855 | $787K |
| Rhumbline Advisers | 0.00% | Add +89.9% | 143,216 | $758K |
| Alps Advisors Inc. | 0.00% | Add +44.4% | 141,749 | $750K |
| Sei Investments Co. | 0.00% | Reduce -36.1% | 138,778 | $734K |
| Morgan Stanley | 0.00% | Reduce -95.1% | 134,117 | $709K |
| Two Sigma Investments, LP | 0.00% | Reduce -66.4% | 133,068 | $704K |
| Vanguard Global Advisers, LLC | 0.00% | Add +87.6% | 129,056 | $683K |
| Hudson Bay Capital Management LP | 0.00% | Add +613.4% | 120,000 | $635K |
| CenterBook Partners LP | 0.03% | Add +77.5% | 118,228 | $625K |
| Citigroup Inc. | 0.00% | Add +1405.1% | 117,786 | $623K |
| Bank of America Corp. | 0.00% | Add +38.8% | 110,412 | $584K |
| Wells Fargo & Company | 0.00% | Add +199.6% | 108,648 | $575K |
| Verition Fund Management LLC | 0.00% | New | 98,000 | $518K |
| STRS Ohio | 0.00% | Add +408.8% | 81,400 | $431K |
| Voleon Capital Management LP | 0.01% | New | 77,168 | $408K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Add +92.1% | 76,270 | $403K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -77.3% | 75,019 | $397K |
| Barclays PLC | 0.00% | Add +239.5% | 73,010 | $386K |
| MetLife Investment Management, LLC | 0.00% | Add +58.9% | 69,699 | $369K |
| AQR Capital Management | 0.00% | Reduce -16.8% | 60,259 | $319K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +25.2% | 54,578 | $289K |
| Mangrove Partners Im, LLC | 0.02% | New | 50,291 | $266K |
| Diversified Trust Co. | 0.00% | Add +54.5% | 45,523 | $241K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | No change | 41,873 | $222K |
| Alliancebernstein L.P. | 0.00% | Add +275.0% | 57,000 | $214K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +97.1% | 38,826 | $205K |
| BNP Paribas Financial Markets | 0.00% | Add +65.7% | 35,524 | $188K |
| SG Americas Securities, LLC | 0.00% | Add +30.1% | 34,814 | $184K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +27.6% | 32,406 | $171K |
| Profund Advisors LLC | 0.00% | New | 30,486 | $161K |
| State of Wyoming | 0.01% | New | 27,439 | $145K |
| New York State Common Retirement Fund | 0.00% | No change | 27,300 | $144K |
| Intech Investment Management LLC | 0.00% | Add +28.5% | 24,668 | $130K |
| Voya Investment Management LLC | 0.00% | Add +41.6% | 23,104 | $122K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +3.9% | 22,228 | $118K |
| Rafferty Asset Management, LLC | 0.00% | New | 21,997 | $116K |
| Prudential Financial Inc. | 0.00% | Add +51.5% | 20,270 | $107K |
| ProShare Advisors LLC | 0.00% | Add +7.5% | 20,095 | $106K |
| Walleye Capital LLC | 0.00% | New | 19,576 | $104K |
| Neuberger Berman Group LLC | 0.00% | Reduce -12.2% | 19,367 | $102K |
| Vontobel Holding Ltd. | 0.00% | Reduce -28.0% | 18,000 | $95K |
| CRA Financial Services, LLC | 0.01% | No change | 17,782 | $94K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.00% | New | 16,072 | $85K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Reduce -10.6% | 15,691 | $83K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 13,521 | $72K |
| Victory Capital Management Inc. | 0.00% | Add +8.3% | 12,718 | $67K |
| Two Sigma Securities, LLC | 0.01% | Reduce -43.6% | 12,671 | $67K |
| Legal & General Group Plc | 0.00% | Add +39.8% | 11,518 | $61K |
| Xponance LLC | 0.00% | New | 11,273 | $60K |
| Jefferies Financial Group Inc. | 0.00% | No change | 11,000 | $58K |
| Quadrature Capital Ltd | 0.00% | Reduce -85.0% | 10,895 | $58K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +16.1% | 10,756 | $57K |
| Mercer Global Advisors Inc. | 0.00% | Add +0.9% | 10,688 | $57K |
| M&T Bank Corp | 0.00% | Add +4.2% | 10,516 | $56K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +89.8% | 9,501 | $50K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +94.2% | 7,510 | $40K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -0.7% | 6,246 | $33K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 6,112 | $32K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 5,677 | $30K |
| Simplex Trading, LLC | 0.00% | Reduce -51.0% | 5,499 | $29K |
| Royal Bank of Canada | 0.00% | Add +4893.2% | 4,394 | $23K |
| Quantbot Technologies LP | 0.00% | New | 3,787 | $20K |
| GF Fund Management Co. LTD. | 0.00% | Add +5.5% | 2,553 | $14K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -0.2% | 2,065 | $11K |
| California State Teachers Retirement System | 0.00% | Reduce -74.1% | 1,285 | $7K |
| Farther Finance Advisors, LLC | 0.00% | Add +238.6% | 1,175 | $6K |
| GAMMA Investing LLC | 0.00% | No change | 1,020 | $5K |
| Arax Advisory Partners | 0.00% | New | 786 | $4K |
| Osaic Holdings, Inc. | 0.00% | New | 735 | $4K |
| Sterling Capital Management LLC | 0.00% | Reduce -77.4% | 686 | $4K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 500 | $3K |
| Huntington National Bank | 0.00% | New | 458 | $2K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 391 | $2K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 454 | $2K |
| Parallel Advisors, LLC | 0.00% | No change | 357 | $2K |
| Smartleaf Asset Management LLC | 0.00% | No change | 376 | $2K |
| Optiver Holding B.V. | 0.00% | New | 336 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 318 | $2K |
| Cornerstone Financial Management LLC | 0.00% | No change | 270 | $1K |
| Zions Bancorporation, National Association | 0.00% | New | 156 | $825 |
| Truvestments Capital LLC | 0.00% | No change | 150 | $794 |
| SJS Investment Consulting Inc. | 0.00% | New | 102 | $540 |
| National Bank of Canada | 0.00% | New | 102 | $540 |
| Allworth Financial LP | 0.00% | Add +77.5% | 87 | $461 |
| SBI Securities Co., Ltd. | 0.00% | No change | 67 | $354 |
| Fortitude Family Office, LLC | 0.00% | New | 56 | $296 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -96.0% | 19 | $101 |
| Rothschild Investment LLC | 0.00% | No change | 9 | $48 |
| Clearstead Advisors, LLC | 0.00% | New | 6 | $32 |
| Essential Partners LLC | 0.00% | No change | 5 | $26 |
"% of holder's portfolio" is ACRS's weight in each manager's 13F, not the share of Aclaris Therapeutics Inc. the manager owns.