Apellis Pharmaceuticals, Inc. short interest in 2025

In 2025, Apellis Pharmaceuticals, Inc.'s disclosed short interest ran from 14.50% of shares outstanding on 15 Jan 2025 to 12.74% on 31 Dec 2025, a change of -1.76 percentage points. The year's high was 22.89% on 30 Apr 2025 and its low 12.02% on 31 Oct 2025, averaging 16.44% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 14.00 days on 30 Jun 2025. Full history: Apellis Pharmaceuticals, Inc..

Cite this page

Plain

Short position data for Apellis Pharmaceuticals, Inc. short interest in 2025: FINRA, compiled by howshorted.com, settlement date 31 Dec 2025. https://howshorted.com/us/company/apls-2026/2025/

Wikipedia

<ref>{{cite web |title=Apellis Pharmaceuticals, Inc. short interest in 2025 short position data |url=https://howshorted.com/us/company/apls-2026/2025/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2025-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-apellis-pharmaceuticals-inc-short-intere-2025-12-31,
  title        = {Apellis Pharmaceuticals, Inc. short interest in 2025 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/apls-2026/2025/}},
  note         = {Data: FINRA, settlement date 31 Dec 2025; accessed 2026-10-13},
  year         = {2025}
}

By year: 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2025 in figures

Start of year: 14.50% (15 Jan 2025)
End of year: 12.74% (31 Dec 2025)
Change: -1.76 pp
High: 22.89% (30 Apr 2025)
Low: 12.02% (31 Oct 2025)
Average: 16.44%
Highest days to cover: 14.00 (30 Jun 2025)
SEC filings marked: 5

Every report in 2025

Apellis Pharmaceuticals, Inc. short interest in 2025
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2025	14.50%	7.15	results (8-K)
31 Jan 2025	13.71%	11.57
14 Feb 2025	13.94%	12.04
28 Feb 2025	16.73%	11.98	10-K filed
14 Mar 2025	15.53%	13.18
31 Mar 2025	18.10%	10.40
15 Apr 2025	21.57%	8.71
30 Apr 2025	22.89%	12.71
15 May 2025	21.68%	8.11	10-Q filed
30 May 2025	19.92%	9.96
13 Jun 2025	20.00%	11.08
30 Jun 2025	20.81%	14.00
15 Jul 2025	13.12%	8.47
31 Jul 2025	17.49%	7.26	10-Q filed
15 Aug 2025	16.05%	6.96
29 Aug 2025	16.26%	11.61
15 Sep 2025	17.23%	9.67
30 Sep 2025	16.67%	9.31
15 Oct 2025	14.30%	8.09
31 Oct 2025	12.02%	4.43	10-Q filed
14 Nov 2025	12.92%	5.59
28 Nov 2025	12.72%	7.55
15 Dec 2025	13.63%	7.71
31 Dec 2025	12.74%	7.29

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.