DOSSIER · 13F Holders · Q3 2026
APVO

APTEVO THERAPEUTICS INC

10 institutions still hold APTEVO THERAPEUTICS INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 03835L702·10 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$613K
visible holders
Holders
10
filers reporting
Concentration
69.07%
SABBY MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q3 2026

10 institutions reported APVO in Q3 2026. SABBY MANAGEMENT, LLC leads at 69.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SABBY MANAGEMENT, LLC
CIK 0001535610
$423K233K4.70%Q3 2026
02
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$84K20K0.01%Q1 2026
03
Hudson Bay Capital Management LP
CIK 0001393825
$74K41K0.00%Q3 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$23K13K0.00%Q3 2026
05
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$8K4K0.00%Q3 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$6643600.00%Q3 2026
07
SBI Securities Co., Ltd.
CIK 0001851815
$1911050.00%Q3 2026
08
CWM, LLC
CIK 0001535847
$2150.00%Q1 2026
09
Caitong International Asset Management Co., Ltd
CIK 0001963355
$530.00%Q3 2026
10
DANSKE BANK A/S
CIK 0000800177
$210.00%Q3 2026
Insiders at APTEVO THERAPEUTICS INC
Niederhuber John →Kunz Barbara Lopez →Abdun-Nabi Daniel →Grant Grady Iii →Huebner Dirk →White Marvin L →Kwon Soyoung →Taylor Daphne →