Stock ownership · SEC 13F · Q3 2025

APELLIS PHARMACEUTICALS INC

A breakdown of APELLIS PHARMACEUTICALS INC's institutional base (CUSIP 03753U106): the holders, the concentration among them, and what changed last quarter.

$11K
Reported value
3
Institutions
100%
Top-5 share

The verdict

$11K of APELLIS PHARMACEUTICALS INC is reported by 3 institutions as of Q3 2025; ownership is held overwhelmingly by a small core of institutions.

3
institutions hold it
$11K
reported 13F value
100%
held by top 5

Based on long positions reported to the SEC as of Q3 2025; 13F omits shorts, options and non-US holdings.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 03753U106 · Q3 2025 $0M reported

VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-MID · BOOK-MID

  • VALUE-TRACE $0.0M
  • HOLDERS-FOCUS 3 filers
  • CONC-DOM 100% top-5
  • PHOTO-UNK No peer
  • ACTIVITY-MID 3 new
  • BOOK-MID 7Q history

Read with: Ownership concentration guide - APELLIS PHARMACEUTICALS INC's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.

Largest institutional holders of APELLIS PHARMACEUTICALS INC
  1. 1
  2. 2
  3. 3

Top 3 reported holders by value · Q3 2025

Institutional ownership over time

The number of institutions reporting a APELLIS PHARMACEUTICALS INC position has risen from 2 to 3 over the last 7 quarters of 13F filings.

0.511.522.533.5 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25 3
Distinct 13F filers holding APELLIS PHARMACEUTICALS INC, by quarter

Top Institutional Holders

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among APELLIS PHARMACEUTICALS INC's reported holders for Q3 2025, by reported value:

Sole discretion (SOLE)
80.5%
Shared-other discretion (OTR)
19.5%

Latest Quarter Activity · Q3 2025

Frequently Asked Questions

How many institutions hold APELLIS PHARMACEUTICALS INC?
APELLIS PHARMACEUTICALS INC is held by 3 institutional investors per the latest SEC Form 13F filings as of Q3 2025.
What is the total institutional value of APELLIS PHARMACEUTICALS INC?
Institutions report $11K of APELLIS PHARMACEUTICALS INC as of Q3 2025.
How concentrated is ownership of APELLIS PHARMACEUTICALS INC?
The top five institutional holders account for 100% of the reported institutional value in APELLIS PHARMACEUTICALS INC, making ownership held overwhelmingly by a small core of institutions.
Who is the largest institutional holder of APELLIS PHARMACEUTICALS INC?
CIBC Private Wealth Group LLC is the largest reported holder of APELLIS PHARMACEUTICALS INC with $9K across 377 shares as of Q3 2025.

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q3 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.