Aclaris Therapeutics, Inc. - Common Stock, $0.00001 par value (ACRS)

CUSIP: 00461U105

Q4 2019 13F Holders as of 31 Dec 2019

Holder snapshot 6 signals
Share change
+1,513,135
SEC-reported price per share
$1.89
Number of holders
72
Value change
+$3,325,295
Number of buys
29
Number of sells
36
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
138,752,791

Security key

00461U105

Report period

Q4 2019

Institutions

72

Top holders

10

Ownership snapshot

Top reported holders of ACRS - Aclaris Therapeutics, Inc. - Common Stock, $0.00001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Man Group plc
Disclosed value leader
Man Group plc
Comparable rows
15/15
Latest evidence
30 Sep 2019
13F Lead comparable stake: 2.7% Showing 1-6 of 15 holder rows.

Quick read

Man Group plc leads the comparable SEC ownership view at 2.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Man Group plc's linked filing trail.
Comparable ownership Top 5
Man Group plc 2.7%
BlackRock Finance, Inc. 2.2%
Rock Springs Capital Management LP 2.1%
RENAISSANCE TECHNOLOGIES LLC 1.4%
Sofinnova Investments, Inc. 1.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Man Group plc
13F
Company
13F
2.7%
$4,034,000
3,734,793 shares
30 Sep 2019
BlackRock Finance, Inc.
13F
Company
13F
2.2%
$3,275,000
3,031,769 shares
30 Sep 2019
Rock Springs Capital Management LP
13F
Company
13F
2.1%
$3,213,000
2,974,754 shares
30 Sep 2019
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
1.4%
$2,126,000
1,968,716 shares
30 Sep 2019
Sofinnova Investments, Inc.
13F
Company
13F
1.4%
$2,064,000
1,911,573 shares
30 Sep 2019
Endurant Capital Management LP
13F
Company
13F
1.3%
$1,911,000
1,769,785 shares
30 Sep 2019
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
72
Shares
30,811,789
Rows available
72
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2019 vs Q3 2025 Across Filers

Q3 2025 holders
103
Q4 2019 holders
72
Holder diff
-31
Investor Q3 2025 Shares Q4 2019 Shares Share Diff Share Chg % Q3 2025 value Q4 2019 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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