ACLARIS THERAPEUTICS INC ACRS
COM · Common Stock · CUSIP 00461U105
Company in St Louis, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersWayne, PA
- Founded2012
- Websiteaclaristx.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 70.9m as of 2024-01-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.05. Options: 5 managers hold calls ($96.8k notional), 6 hold puts ($72.1k).
Trends to Q4 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 127 |
| Q4 2022 | 129 |
| Q1 2023 | 150 |
| Q2 2023 | 134 |
| Q3 2023 | 139 |
| Q4 2023 | 108 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 53 | 49 |
| Q1 2023 | 85 | 58 |
| Q2 2023 | 64 | 69 |
| Q3 2023 | 81 | 50 |
| Q4 2023 | 64 | 78 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2023 | $26.5m | $20.0m | 0.75 |
| Q2 2023 | $13.0m | $16.5m | 1.26 |
| Q3 2023 | $22.1m | $15.8m | 0.71 |
| Q4 2023 | $96.8k | $72.1k | 0.74 |
Biggest buyers
| ACADIAN ASSET MANAGEMENT LLC | New | +2.4m |
| CITADEL ADVISORS LLC | Added | +2.0m |
| D. E. Shaw & Co., Inc. | Added | +1.9m |
| Velan Capital Investment Management LP | New | +1.8m |
| TANG CAPITAL MANAGEMENT LLC | New | +1.8m |
| Qube Research & Technologies Ltd | New | +1.7m |
| GSA CAPITAL PARTNERS LLP | Added | +1.6m |
| MILLENNIUM MANAGEMENT LLC | Added | +1.5m |
| TWO SIGMA INVESTMENTS, LP | Added | +1.4m |
| VANGUARD GROUP INC | Added | +1.4m |
Biggest sellers
| BVF INC/IL | Sold out | -7.1m |
| WELLINGTON MANAGEMENT GROUP LLP | Sold out | -7.0m |
| RA CAPITAL MANAGEMENT, L.P. | Sold out | -4.4m |
| Foresite Capital Management IV, LLC | Sold out | -2.8m |
| GREAT POINT PARTNERS LLC | Sold out | -1.7m |
| SAMLYN CAPITAL, LLC | Sold out | -1.5m |
| Foresite Capital Management V, LLC | Sold out | -1.3m |
| Blackstone Inc. | Reduced | -1.2m |
| Venrock Adviser, LLC | Sold out | -1.0m |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -1.0m |
Biggest calls
| SIMPLEX TRADING, LLC | Reduced | $36.0k35.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $34.4k32.8k shares |
| CITADEL ADVISORS LLC | Reduced | $18.2k17.3k shares |
| GROUP ONE TRADING LLC | Reduced | $8.2k7.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $35.2k33.5k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $23.2k22.1k shares |
| GROUP ONE TRADING LLC | Reduced | $12.4k11.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.0k1.2k shares |
| Caption Management, LLC | Reduced | $315300 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BML Investment Partners, L.P. 13G · passive investor -2.0 pts · filed 2026-04-27 | 9.9% |
| Bonita Biotech (HK) Ltd 13G · passive investor filed 2026-01-09 | 9.4% |
| RA CAPITAL MANAGEMENT, L.P. 13G · passive investor +2.8 pts · filed 2026-08-14 | 9.1% |
| Deep Track Capital, LP 13G · passive investor new · filed 2026-03-17 | 7.0% |
| BlackRock, Inc. 13G · institution +1.1 pts · filed 2026-01-21 | 6.2% |
| Frazier Life Sciences Public Fund, L.P. 13G · passive investor new · filed 2026-09-21 | 5.4% |
Fell to 5% or below in the last year: Vivo Opportunity Fund Holdings, L.P. (4.3%, 2026-05-12), VANGUARD GROUP INC (0.0%, 2026-03-26)
Insider purchases and sales in Q4 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2022 | 0 | — | 3 | $1.6m | — |
| Q2 2022 | 0 | — | 3 | $1.8m | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 2 | $3.5m | — |
| Q1 2023 | 1 | $99.8k | 4 | $2.4m | — |
| Q2 2023 | 0 | — | 1 | $61.7k | $61.7k |
| Q3 2023 | 2 | $175.0k | 1 | $43.9k | $43.9k |
| Q4 2023 | 0 | — | 1 | $30.5k | $30.5k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-10-23 | Monahan Joseph Chief Scientific Officer | Sold plan | $30.5k6.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 5.9m $6.2m | Added +298.0k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 5.4m $5.7m | Added +2.0m |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.7m $5.0m | Added +1.4m |
| Bain Capital Life Sciences Investors, LLC 0.35% of their portfolio | 3.5m $3.7m | Added +100.0k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 3.5m $3.7m | Added +1.5m |
| Rock Springs Capital Management LP 0.08% of their portfolio | 3.0m $3.1m | Reduced -962.0k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 2.4m $2.5m | New |
| MORGAN STANLEY 0.00% of their portfolio | 2.0m $2.0m | Added +253.4k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 1.9m $2.0m | Added +1.9m |
| Velan Capital Investment Management LP 1.31% of their portfolio | 1.8m $1.8m | New |
| TANG CAPITAL MANAGEMENT LLC 0.17% of their portfolio | 1.8m $1.8m | New |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 1.7m $1.8m | Added +1.1m |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 1.7m $1.8m | New |
| GSA CAPITAL PARTNERS LLP 0.14% of their portfolio | 1.6m $1.7m | Added +1.6m |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 1.5m $1.5m | Added +1.4m |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 1.4m $1.5m | Added +1.3m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.4m $1.5m | Added +56.5k |
| STATE STREET CORP 0.00% of their portfolio | 1.4m $1.5m | Reduced -174.1k |
| Monaco Asset Management SAM 0.40% of their portfolio | 979.4k $1.0m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 934.0k $980.7k | Added +779.7k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio | 748.8k $786.2k | Added +573.3k |
| SAMSARA BIOCAPITAL, LLC 0.11% of their portfolio | 696.2k $731.0k | Unchanged |
| FMR LLC 0.00% of their portfolio | 670.7k $704.2k | Added +9.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 659.6k $692.6k | Added +266 |
| BML Capital Management, LLC 0.54% of their portfolio | 653.1k $685.8k | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 520.9k $546.9k | Added +248.1k |
| CITIGROUP INC 0.00% of their portfolio | 507.5k $532.9k | Added +495.6k |
| Checkpoint Capital L.P. 0.33% of their portfolio | 453.6k $476.3k | First filing |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 439.9k $461.9k | Reduced -20.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 436.3k $458.1k | Reduced -26.9k |
| Aisling Capital Management LP 0.14% of their portfolio | 434.5k $456.2k | Unchanged |
| XTX Topco Ltd 0.09% of their portfolio | 378.3k $397.2k | New |
| HighTower Advisors, LLC 0.00% of their portfolio | 343.0k $361.0k | Reduced -26.8k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 282.4k $296.5k | Added +39.6k |
| Frazier Life Sciences Management, L.P. 0.01% of their portfolio | 264.4k $277.6k | Unchanged |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 259.4k $272.4k | Added +95.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 217.4k $228.2k | Added +140.7k |
| STRS OHIO 0.00% of their portfolio | 193.0k $202.0k | Added +138.9k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 187.6k $196.9k | Reduced -74.2k |
| BARCLAYS PLC 0.00% of their portfolio | 175.9k $184.7k | Reduced -58.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 153.6k $161.3k | Added +29.8k |
| Endurant Capital Management LP 0.89% of their portfolio | 148.4k $155.8k | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 139.1k $146.1k | Reduced -261.2k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 135.6k $142.4k | Added +36.5k |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 135.3k $142.1k | Added +92.3k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 125.4k $131.7k | Added +73.7k |
| Lion Point Capital, LP 0.11% of their portfolio | 115.9k $121.7k | Unchanged |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 113.6k $119.3k | Unchanged |
| Swiss National Bank 0.00% of their portfolio | 108.9k $114.3k | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 108.5k $114.0k | Reduced -21.4k |
| Man Group plc 0.00% of their portfolio | 101.3k $106.3k | New |
| Octagon Capital Advisors LP 0.02% of their portfolio | 100.0k $105.0k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 95.8k $100.5k | Reduced -6.7k |
| Engineers Gate Manager LP 0.00% of their portfolio | 79.8k $83.8k | Added +54.3k |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 77.2k $81.1k | Added +8.9k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 64.8k $68.0k | Reduced -12.8k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 60.4k $63.4k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 55.6k $58.3k | Reduced -3.5k |
| Legal & General Group Plc 0.00% of their portfolio | 49.9k $52.4k | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 43.8k $46.0k | Added +23.5k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 41.9k $44.0k | Added +26.5k |
| Mariner, LLC 0.00% of their portfolio | 36.7k $38.5k | New |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 34.5k $36.2k | Reduced -138 |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 33.2k $34.8k | Unchanged |
| Invesco Ltd. 0.00% of their portfolio | 31.7k $33.2k | Reduced -8.1k |
| Vontobel Holding Ltd. 0.00% of their portfolio | 30.3k $31.8k | Added +17.0k |
| Point72 Middle East FZE 0.00% of their portfolio | 29.3k $30.8k | Added +18.7k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 23.4k $25.0k | Added +10.1k |
| Chicago Partners Investment Group LLC 0.00% of their portfolio | 21.0k $26.4k | New |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 20.3k $21.4k | Reduced -53 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 20.1k $21.1k | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 20.1k $21.1k | Added +1.8k |
| WEXFORD CAPITAL LP 0.00% of their portfolio | 20.0k $21.0k | New |
| UBS Group AG 0.00% of their portfolio | 19.6k $20.6k | Reduced -32.1k |
| Ikarian Capital, LLC 0.01% of their portfolio | 19.5k $20.5k | New |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 19.4k $20.4k | Added +654 |
| SG Americas Securities, LLC 0.00% of their portfolio | 19.4k $20.0k | Reduced -132.3k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 18.2k $19.1k | New |
| Bayesian Capital Management, LP 0.00% of their portfolio | 17.8k $18.7k | New |
| ProShare Advisors LLC 0.00% of their portfolio | 16.0k $16.8k | Added +2.4k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 16.0k $16.8k | Reduced -12.0k |
| Marex Group Ltd 0.00% of their portfolio | 14.4k $15.1k | New |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 13.9k $14.5k | Reduced -234 |
| OCCUDO QUANTITATIVE STRATEGIES LP 0.00% of their portfolio | 13.5k $14.2k | New |
| Blackstone Inc. 0.00% of their portfolio | 13.0k $13.7k | Reduced -1.2m |
| Jefferies Financial Group Inc. 0.00% of their portfolio | 11.5k $12.1k | Reduced -25.1k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio | 11.5k $12.0k | Reduced -2.6k |
| Squarepoint Ops LLC 0.00% of their portfolio | 10.4k $10.9k | New |
| AMALGAMATED BANK 0.00% of their portfolio | 9.8k $10.0k | Reduced -686 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 9.7k $10.2k | Added +5.5k |
| China Universal Asset Management Co., Ltd. 0.00% of their portfolio | 8.2k $8.6k | Added +6.4k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 7.2k $7.5k | Reduced -19.9k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 6.9k $7.2k | Unchanged |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 4.6k $4.8k | New |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 1.9k $2.0k | Unchanged |
| Halpern Financial, Inc. 0.00% of their portfolio | 1.5k $1.7k | New |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 1.2k $1.2k | Added +1.1k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 500 $525 | Unchanged |
| Lindbrook Capital, LLC 0.00% of their portfolio | 383 $402 | Added +99 |
| HUNTINGTON NATIONAL BANK 0.00% of their portfolio | 334 $351 | New |