Aclaris TherapeuticsACRS

13F holders, Q2 2026 (June 30)
148holders +12
27new positions
14sold out
5famous investors
$5.29avg. 13F price*

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

050100150 Q1 2024: 98Q1 2024Q2 2024: 98Q2 2024Q3 2024: 81Q3 2024Q4 2024: 98Q4 2024Q1 2025: 109Q1 2025Q2 2025: 96Q2 2025Q3 2025: 103Q3 2025Q4 2025: 122Q4 2025Q1 2026: 136Q1 2026Q2 2026: 148Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions27$26.7M
Exits14$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.