Security key
640268108
NEKTAR THERAPEUTICS - Common Stock, $0.0001 par value (NKTR)
CUSIP: 640268108
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / Common Stock, $0.0001 par value
- Total 13F shares
- 119,190,605
- Total 13F value
- $67,330,899
- Share change
- -24,178,581
- Put/Call ratio
- 46%
- SEC-reported price per share
- $0.56
- Number of holders
- 119
- Value change
- -$14,356,167
- Number of buys
- 38
- Number of sells
- 69
- Shares outstanding
- 29,109,163
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 2023
Institutions
119
Top holders
10
NKTR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
NEKTAR THERAPEUTICS SEC filings
NEKTAR THERAPEUTICS company facts
Broader feeds
Reporting periods
Holder history for CUSIP 640268108
Recent filing periods:
Ownership snapshot
Top reported holders of NKTR - NEKTAR THERAPEUTICS - Common Stock, $0.0001 par value (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
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 64%
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 64%.
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 RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
64%
Deep Track Capital, LP
63%
VANGUARD GROUP INC
41%
BlackRock Finance, Inc.
26%
ACADIAN ASSET MANAGEMENT LLC
26%
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 |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
64%
|
$11,137,720
18,700,000 shares
|
— | 30 Sep 2023 |
| Deep Track Capital, LP |
13F
Company
|
63%
|
$10,959,040
18,400,000 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
41%
|
$7,183,619
12,061,147 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
26%
|
$4,576,965
7,684,629 shares
|
— | 30 Sep 2023 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
26%
|
$4,540,000
7,626,388 shares
|
— | 30 Sep 2023 |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
Company
|
25%
|
$4,287,119
7,197,983 shares
|
— | 30 Sep 2023 |
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 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
119
Shares
119,190,605
Rows available
119
| 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 2023 vs Q1 2026 Across Filers
Q1 2026 holders
7
Q4 2023 holders
119
Holder diff
112
| Investor | Q1 2026 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend