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Delisting risk

APVO · NASDAQ · Biotechnology

Aptevo Therapeutics (APVO)

Developer of multispecific cancer immunotherapies and radiopharmaceutical oncology programs.

$2.31

Pre-market−0.31 (−11.83%)

At close$2.62(+11.97%)

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Breakdown13F · 13D/G · Form 4

Institutions9 holders · as of Mar 31, 2026	4.31%	53.8K shares
Insiders10 holders · as of Aug 10, 2026	0.54%	6.7K shares
Strategic holders2 holders · as of Jun 22, 2026	12.18%	151.7K shares
Otherremainder	82.97%	1.03M shares

1.25M company shares as of Aug 22, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (1.80M in the company's Sep 3, 2026 report, 1.25M elsewhere); stakes use the report.

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Niowave, Inc.¹Strategic10 percent owner	12.18%	151,723	13Gfiled Jun 22, 2026 ↗
Gsa Capital Partners LLPInstitution	1.58%	19,638	13Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution	1.07%	13,337	13Fas of Mar 31, 2026
Vanguard Capital Management LLCInstitution	1.02%	12,713	13Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution	0.33%	4,142	13Fas of Mar 31, 2026
UBS Group AGInstitution	0.28%	3,445	13Fas of Mar 31, 2026
Marvin L. WhiteInsiderdirector, officer: Executive Chair	0.10%	1,261	Form 4filed Aug 10, 2026 ↗
Grady III GrantInsiderdirector	0.09%	1,150	Form 4filed Aug 10, 2026 ↗
Jeffrey G. LamotheInsiderdirector, officer: President and CEO	0.08%	961	Form 4filed Aug 10, 2026 ↗
SoYoung KwonInsiderofficer: SVP, GC, BD & Corp Affairs	0.05%	638	Form 4filed Aug 10, 2026 ↗
Daphne TaylorInsiderofficer: SVP, CFO	0.05%	638	Form 4filed Aug 10, 2026 ↗
Dirk HuebnerInsiderofficer: SVP, CMO	0.04%	482	Form 4filed Aug 10, 2026 ↗
Daniel Abdun-NabiInsiderdirector	0.03%	400	Form 4filed Aug 10, 2026 ↗
Zsolt HarsanyiInsiderdirector	0.03%	400	Form 4filed Aug 10, 2026 ↗
Barbara Lopez KunzInsiderdirector	0.03%	400	Form 4filed Aug 10, 2026 ↗
John NiederhuberInsiderdirector	0.03%	400	Form 4filed Aug 10, 2026 ↗
Advisor Group Holdings, Inc.Institution	0.03%	360	13Fas of Mar 31, 2026
Sbi Securities Co., Ltd.Institution	0.01%	109	13Fas of Mar 31, 2026
CWM, LLCInstitution	0.00%	5	13Fas of Mar 31, 2026
Bank of America Corp /DE/²Strategic10 percent owner	0.00%	2	Form 4filed Oct 3, 2025 ↗
Danske Bank A/SInstitution	0.00%	1	13Fas of Mar 31, 2026
Ayrton Capital LLCInstitution	—10.00% of class, as filed	—	13Gfiled Aug 13, 2025 ↗
Bigger Capital Fund L PInstitution	—9.95% of class, as filed	—	13Gfiled Jun 25, 2025 ↗
BlackRock, Inc.Strategic	—2.20% of class, as filed	—	13D/Gfiled Jul 10, 2017 ↗
CVI Investments, Inc.Strategic	—9.90% of class, as filed	—	13Gfiled Aug 14, 2025 ↗

Niowave, Inc.'s transaction reports restate only vehicles that traded; the 2026 ownership statement (151.7K) is used instead.
Reported at 0.00% on Nov 7, 2025, under the 5% line, so no further filing is required.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

9 holders · 53.8K shares · 5 new positions · 7 increased · 0 reduced · 6 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Gsa Capital Partners LLP	19.6K	1.58%	+19.6Knew	May 8, 2026
Geode Capital Management, LLC	13.3K	1.07%	+13.3Knew	May 15, 2026
Vanguard Capital Management LLC	12.7K	1.02%	+12.7Knew	May 15, 2026
Vanguard Fiduciary Trust Co	4.1K	0.33%	+4.1Knew	May 8, 2026
UBS Group AG	3.4K	0.28%	+3.3K	May 5, 2026
Advisor Group Holdings, Inc.	360	0.03%	0	May 15, 2026
Sbi Securities Co., Ltd.	109	0.01%	+78	Apr 28, 2026
CWM, LLC	5	0.00%	+5new	May 14, 2026

Ownership statements13D/G · 5% or more, as filed

Holder	% of class	Shares	Form	Filed
Niowave, Inc.	12.20%	151.7K	13G	Jun 22, 2026 ↗
Ayrton Capital LLC	10.00%		13G	Aug 13, 2025 ↗
YA II PN, Ltd.	9.99%		13G	Jul 8, 2025 ↗
Bigger Capital Fund L P	9.95%		13G	Jun 25, 2025 ↗
CVI Investments, Inc.	9.90%		13G	Aug 14, 2025 ↗
Hudson Bay Capital Management LPincl. Sander Gerber	6.96%		13G	Nov 8, 2024 ↗

Insider tradesForm 4

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Nov 10, 2025	Grady III Grantdirector	Purchase	13,513	$1.49	13,514

CongressHouse and Senate disclosures

Not reported.