Security key
03835L702
Aptevo Therapeutics Inc. - Common Stock (APVO)
CUSIP: 03835L702
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 53,750
- Total 13F value
- $229,654
- Share change
- +33,458
- SEC-reported price per share
- $4.27
- Number of holders
- 9
- Value change
- +$128,179
- Number of buys
- 5
- Number of sells
- 5
- Shares outstanding
- 1,243,631
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
9
Top holders
9
APVO full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Aptevo Therapeutics Inc. SEC filings
Aptevo Therapeutics Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03835L702
Recent filing periods:
Ownership snapshot
Top reported holders of APVO - Aptevo Therapeutics Inc. - Common Stock (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
Ayrton Capital LLC
Disclosed value leader
YA II PN, Ltd.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
3/4/5
13F
Lead comparable stake: 10%
13D/G row: Ayrton Capital LLC
Showing 1-6 of 15 holder rows.
Quick read
Ayrton Capital LLC leads the comparable SEC ownership view at 10%.
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 Ayrton Capital LLC's linked filing trail.
Comparable ownership
Top 5
Ayrton Capital LLC
10%
YA II PN, Ltd.
10%
BIGGER CAPITAL FUND L P
10%
CVI Investments, Inc.
8.2%
L1 Capital Global Opportunities M...
5%
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 |
|---|---|---|---|---|---|
| Ayrton Capital LLC |
13D/G
|
10%
|
$107,445
358,150 shares
|
$0 | 30 Jun 2025 |
| YA II PN, Ltd. |
13D/G
|
10%
|
$1,663,965
357,842 shares
|
$0 | 16 Jun 2025 |
| BIGGER CAPITAL FUND L P |
13D/G
|
10%
|
—
285,000 shares
|
$0 | 18 Jun 2025 |
| CVI Investments, Inc. |
13D/G
|
8.2%
|
$744,624
83,854 shares
|
$0 | 31 Dec 2025 |
| L1 Capital Global Opportunities Master Fund, Ltd. |
13D/G
|
5%
|
$492,900
164,300 shares
|
-$362,100 | 14 Aug 2025 |
| Hudson Bay Capital Management LP |
13D/G
|
5%
|
$52,853
76,598 shares
|
$0 | 31 Dec 2024 |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
9
Shares
53,750
Rows available
9
| 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 Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
10
Q1 2026 holders
9
Holder diff
-1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend