- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 28,687,922
- Total 13F shares
- 17,311,424
- Share change
- +2,453,425
- Total reported value
- $731,897,039
- Put/Call ratio
- 88%
- Price per share
- $42.28
- Number of holders
- 171
- Value change
- +$83,234,784
- Number of buys
- 97
- Number of sells
- 74
Quarterly Holders Quick Answers
What is CUSIP 640268306?
CUSIP 640268306 identifies NKTR - NEKTAR THERAPEUTICS - COMMON STOCK in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 640268306:
Top shareholders of NKTR - NEKTAR THERAPEUTICS - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BVF INC/IL |
13F
|
Company |
4.4%
|
1,276,595
|
$72,638,256 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
13D/G
|
Company · The Vanguard Group |
5%
from 13D/G
|
948,647
|
$53,978,015 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.2%
|
929,151
|
$52,868,691 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
3.2%
|
924,896
|
$52,626,582 | — | 30 Sep 2025 | |
| FARALLON CAPITAL MANAGEMENT LLC |
13F
|
Company |
2.8%
|
791,000
|
$45,007,900 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
1.6%
from 13D/G
|
609,114
|
$34,658,587 | — | 30 Sep 2025 | |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
|
G1 Execution Services, LLC |
4%
|
809,967
|
$34,245,405 | -$18,006,925 | 31 Dec 2025 | |
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
|
BVF PARTNERS L P/IL |
7.4%
|
1,276,595
|
$32,978,662 | $0 | 01 Jul 2025 | |
| Deep Track Capital, LP |
3/4/5
13D/G
|
10%+ Owner |
1.1%
from 13D/G
|
18,344,000
|
$32,635,810 | — | 10 May 2024 | |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
|
Millennium Management LLC |
3%
|
570,994
|
$32,489,559 | -$20,590,346 | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.9%
|
545,994
|
$31,067,059 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.5%
|
434,237
|
$24,708,085 | — | 30 Sep 2025 | |
| Nantahala Capital Management, LLC |
13F
13D/G
|
Company |
2.2%
from 13D/G
|
418,522
|
$23,813,902 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.3%
|
361,073
|
$20,545,053 | — | 30 Sep 2025 | |
| 22NW, LP |
13F
|
Company |
1.2%
|
331,115
|
$18,840,443 | — | 30 Sep 2025 | |
| EMERALD ADVISERS, LLC |
13F
|
Company |
1.1%
|
323,246
|
$18,392,697 | — | 30 Sep 2025 | |
| Jefferies Financial Group Inc. |
13F
|
Company |
1.1%
|
303,200
|
$17,252,080 | — | 30 Sep 2025 | |
| GREAT POINT PARTNERS LLC |
13F
|
Company |
1%
|
300,000
|
$17,070,000 | — | 30 Sep 2025 | |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
|
Company |
1%
|
289,050
|
$16,446,945 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.97%
|
278,541
|
$15,848,983 | — | 30 Sep 2025 | |
| ARMISTICE CAPITAL, LLC |
13F
|
Company |
0.93%
|
268,000
|
$15,249,200 | — | 30 Sep 2025 | |
| EMERALD MUTUAL FUND ADVISERS TRUST |
13F
|
Company |
0.81%
|
233,205
|
$13,269,365 | — | 30 Sep 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.81%
|
233,059
|
$13,261,057 | — | 30 Sep 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.79%
|
226,897
|
$12,910,443 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.79%
|
225,236
|
$12,821,388 | — | 30 Sep 2025 | |
| GILDER GAGNON HOWE & CO LLC |
13F
|
Company |
0.78%
|
224,828
|
$12,792,713 | — | 30 Sep 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.64%
|
182,814
|
$10,402,117 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.62%
|
178,908
|
$10,179,865 | — | 30 Sep 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.6%
|
171,776
|
$9,774,054 | — | 30 Sep 2025 | |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. |
13F
|
Company |
0.54%
|
153,846
|
$8,753,837 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.45%
|
128,999
|
$7,340,043 | — | 30 Sep 2025 | |
| Boxer Capital Management, LLC |
13F
|
Company |
0.44%
|
125,000
|
$7,112,500 | — | 30 Sep 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.43%
|
123,658
|
$7,036,134 | — | 30 Sep 2025 | |
| Sofinnova Investments, Inc. |
13F
|
Company |
0.41%
|
118,419
|
$6,738,041 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.4%
|
114,664
|
$6,524,382 | — | 30 Sep 2025 | |
| Quinn Opportunity Partners LLC |
13F
|
Company |
0.38%
|
109,868
|
$6,251,489 | — | 30 Sep 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.38%
|
107,678
|
$6,126,878 | — | 30 Sep 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.32%
|
91,807
|
$5,223,818 | — | 30 Sep 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.32%
|
91,480
|
$5,205,212 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.32%
|
90,822
|
$5,167,772 | — | 30 Sep 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.31%
|
90,000
|
$5,121,000 | — | 30 Sep 2025 | |
| Simplify Asset Management Inc. |
13F
|
Company |
0.3%
|
87,174
|
$4,960,201 | — | 30 Sep 2025 | |
| EVENTIDE ASSET MANAGEMENT, LLC |
13D/G
|
— |
3.6%
|
6,650,000
|
$4,921,000 | $0 | 31 Dec 2024 | |
| Stonepine Capital Management, LLC |
13F
|
Company |
0.3%
|
85,000
|
$4,836,500 | — | 30 Sep 2025 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.27%
|
78,209
|
$4,400,042 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.27%
|
77,055
|
$4,384,430 | — | 30 Sep 2025 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.27%
|
76,450
|
$4,350,000 | — | 30 Sep 2025 | |
| DIADEMA PARTNERS LP |
13F
|
Company |
0.26%
|
75,000
|
$4,267,500 | — | 30 Sep 2025 | |
| MOODY ALDRICH PARTNERS LLC |
13F
|
Company |
0.26%
|
73,716
|
$4,194,440 | — | 30 Sep 2025 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.25%
|
72,007
|
$4,097,198 | — | 30 Sep 2025 |
Institutional Holders of NEKTAR THERAPEUTICS - COMMON STOCK (NKTR) as of Q4 2025
As of 31 Dec 2025,
NEKTAR THERAPEUTICS - COMMON STOCK (NKTR) was held by
171 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
17,311,424 shares.
The largest 10 holders included
BVF INC/IL, VANGUARD GROUP INC, Two Seas Capital LP, BlackRock, Inc., ARMISTICE CAPITAL, LLC, MORGAN STANLEY, Prosight Management, LP, TWO SIGMA INVESTMENTS, LP, Invesco Ltd., and MILLENNIUM MANAGEMENT LLC.
This page lists
171
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
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 Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.