Security key
640268306
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 17,311,424
- Total 13F value
- $731,897,039
- Share change
- +2,453,425
- Put/Call ratio
- 88%
- SEC-reported price per share
- $42.28
- Number of holders
- 171
- Value change
- +$83,234,784
- Number of buys
- 97
- Number of sells
- 74
- Shares outstanding
- 28,687,922
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
171
Top holders
10
NKTR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
NEKTAR THERAPEUTICS SEC filings
NEKTAR THERAPEUTICS company facts
Broader feeds
Reporting periods
Holder history for CUSIP 640268306
Recent filing periods:
Ownership snapshot
Top reported holders of NKTR - NEKTAR THERAPEUTICS - 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
BIOTECHNOLOGY VALUE FUND L P
Disclosed value leader
BVF INC/IL
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
3/4/5
Lead comparable stake: 7.4%
13D/G row: BIOTECHNOLOGY VALUE FUND L P
Showing 1-6 of 15 holder rows.
Quick read
BIOTECHNOLOGY VALUE FUND L P leads the comparable SEC ownership view at 7.4%.
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 BIOTECHNOLOGY VALUE FUND L P's linked filing trail.
Comparable ownership
Top 5
BIOTECHNOLOGY VALUE FUND L P
7.4%
VANGUARD GROUP INC
5%
SUSQUEHANNA SECURITIES, LLC
4%
EVENTIDE ASSET MANAGEMENT, LLC
3.6%
INTEGRATED CORE STRATEGIES (US) LLC
3%
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 |
|---|---|---|---|---|---|
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
BVF PARTNERS L P/IL
|
7.4%
|
$32,978,662
1,276,595 shares
|
$0 | 01 Jul 2025 |
| VANGUARD GROUP INC |
13F
13D/G
Company · The Vanguard Group
|
5%
from 13D/G
|
$53,978,015
948,647 shares
|
— | 30 Sep 2025 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
G1 Execution Services, LLC
|
4%
|
$34,245,405
809,967 shares
|
-$18,006,925 | 31 Dec 2025 |
| EVENTIDE ASSET MANAGEMENT, LLC |
13D/G
|
3.6%
|
$4,921,000
6,650,000 shares
|
$0 | 31 Dec 2024 |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
Millennium Management LLC
|
3%
|
$32,489,559
570,994 shares
|
-$20,590,346 | 30 Sep 2025 |
| Nantahala Capital Management, LLC |
13F
13D/G
Company
|
2.2%
from 13D/G
|
$23,813,902
418,522 shares
|
— | 30 Sep 2025 |
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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
171
Shares
17,311,424
Rows available
171
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
143
Q4 2025 holders
171
Holder diff
28
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend