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Nektar Therapeutics 13F holders

239 funds reported a position in Nektar Therapeutics in their 13F for the quarter ended 30 June 2026, together 35.9 million shares worth $2.51 billion. Against the quarter before, 69 opened a position, 98 added, 41 trimmed and 42 sold out; together they bought a net 8.8 million shares. The largest holders: FMR LLC, Two Seas Capital LP and BlackRock, Inc.

Funds holding239+30 on Q1 2026
Shares they held35.9Mworth $2.51 billion
Net bought on the quarter8.8M sharesabout $611.3 million at the funds' values
Funds buying to selling167 to 83opened or added, to cut or sold
Opened 69Added 98Held 29Trimmed 41Sold out 42
Opened: 69 fundsAdded: 98 fundsHeld: 29 fundsTrimmed: 41 fundsSold out: 42 funds

What each fund did in NKTR against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q2 2025: 102 funds, 7.7 million shares102Q2 2025Q3 2025: 146 funds, 14.4 million shares146Q3 2025Q4 2025: 173 funds, 17.3 million shares173Q4 2025Q1 2026: 209 funds, 26.9 million shares209Q1 2026Q2 2026: 239 funds, 35.9 million shares239Q2 2026

Funds reporting a position in NKTR in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 29 reported a position in Nektar Therapeutics: 5 opened one, 13 added, 4 trimmed and 4 sold out, a net 292,522 shares bought.

FundChange in sharesShares nowStatusFiling
Two Seas Capital LP+253,7443,345,978added13F
Iridian Asset Management LLC+55,89594,697added13F
Profund Advisors LLC+9,85215,021added13F
Moody Aldrich Partners LLC-5,23358,902trimmed13F
Sterling Capital Management LLC+9181,099added13F
HB Wealth Management, LLC+6159,930added13F
China Universal Asset Management Co., Ltd.+5602,160added13F
FNY Investment Advisers, LLC+5006,000added13F
Leonteq Securities AG-4004,000trimmed13F
LVW Advisors, LLC+3903,412added13F
Gamma Investing LLC+251257added13F
ProShare Advisors LLC-1864,327trimmed13F
SBI Securities Co., Ltd.-1112,639trimmed13F
Nisa Investment Advisors, LLC+67529added13F
Parkside Financial Bank & Trust+5050new13F
SJS Investment Consulting Inc.+4041added13F
Farther Finance Advisors, LLC+2830added13F
Caitong International Asset Management Co., Ltd+2525new13F
Financial Consulate, Inc.+1313new13F
Essential Partners LLC+767added13F
True Wealth Design, LLC+55new13F
Versant Capital Management, Inc+55new13F
Capstone Capital Management Ltd-7,0660sold out13F
Gainplan LLC-14,9620sold out13F
MassMutual Private Wealth & Trust, FSB-1060sold out13F

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 6 reported a position in Nektar Therapeutics in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 5.1 million shares worth $353.8 million, 0.0% of its reported book. Sold out: Renaissance Technologies, Alyeska, Point72 Asset Management. In the quarter, 4 funds added or opened a position and 4 trimmed or sold out; together they bought a net 1.2 million shares, about $82.8 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC5,067,920$353.8 million0.0%+764,732added30 June 202613F
Two Sigma Investments1,202,004$83.9 million0.1%+271,263added30 June 202613F
Geode Capital Management881,306$61.5 million0.0%+534,511added30 June 202613F
Millennium Management478,120$33.4 million0.0%+73,843added30 June 202613F
Norges Bank215,300$15.0 million0.0%held30 June 202613F
Citadel Advisors159,747$11.2 million0.0%-353,784trimmed30 June 202613F
Renaissance Technologies0$00.0%-41,781exited30 June 202613F
Alyeska0$00.0%-50,000exited30 June 202613F
Point72 Asset Management0$00.0%-13,364exited30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
FMR LLC5,067,92014.11%$353.8 million0.01%+764,73213F
Two Seas Capital LP3,092,2348.61%$215.9 million8.24%+1,133,05613F
BlackRock, Inc.2,941,8518.19%$205.4 million0.00%+2,249,20113F
BVF Inc.2,391,0756.66%$166.9 million4.27%-168,52013F
Vanguard Capital Management LLC1,496,8494.17%$104.5 million0.00%+299,79413F
Two Sigma Investments, LP1,202,0043.35%$83.9 million0.07%+271,26313F
Vestal Point Capital, LP1,000,0002.78%$69.8 million1.63%+715,00013F
Morgan Stanley936,5602.61%$65.4 million0.00%+277,17313F
State Street Corp.909,6792.53%$63.5 million0.00%+664,95213F
Geode Capital Management, LLC881,3062.45%$61.5 million0.00%+534,51113F
Prosight Management, LP810,0002.25%$56.5 million9.74%+75,00013F
Armistice Capital, LLC724,0002.02%$50.5 million1.40%+146,00013F
Gilder Gagnon Howe & Co. LLC600,8731.67%$41.9 million0.43%+329,11513F
Millennium Management LLC478,1201.33%$33.4 million0.02%+73,84313F
Braidwell LP473,6171.32%$33.1 million1.27%+250,91613F
Sofinnova Investments, Inc.471,7631.31%$32.9 million1.76%-37,78313F
Woodline Partners LP470,8751.31%$32.9 million0.10%+55,54013F
Orbimed Advisors LLC465,3461.30%$32.5 million0.62%+190,34613F
UBS Group AG428,4001.19%$29.9 million0.01%+108,22813F
Emerald Advisers, LLC390,1581.09%$27.2 million0.64%-4,44613F
Lord, Abbett & Co. LLC381,6241.06%$26.6 million0.08%-23,45613F
Vanguard Portfolio Management LLC348,5400.97%$24.3 million0.00%+276,04913F
Dafna Capital Management LLC318,3800.89%$22.2 million4.24%+153,20213F
Northern Trust Corp.308,5310.86%$21.5 million0.00%+229,93313F
Deep Track Capital, LP300,0000.84%$20.9 million0.31%new13F
Charles Schwab Investment Management Inc.284,9710.79%$19.9 million0.00%+116,96413F
22NW, LP281,1150.78%$19.6 million18.75%no change13F
Susquehanna International Group, LLP278,9770.78%$19.5 million0.02%+29,88713F
Primecap Management Co.272,8500.76%$19.0 million0.01%-6,30013F
Barclays PLC262,3620.73%$18.3 million0.01%+230,00613F
Nearwater Capital Markets, Ltd261,5000.73%$18.3 million0.32%no change13F
Emerald Mutual Fund Advisers Trust255,5870.71%$17.8 million0.63%-51913F
ADAR1 Capital Management, LLC244,1840.68%$17.0 million0.81%+82,93213F
Creek Drive Management Group LLC243,0000.68%$17.0 million10.48%+116,60013F
Seven Grand Managers, LLC240,0000.67%$16.8 million0.68%+115,00013F
Deutsche Bank AG239,8310.67%$16.7 million0.01%+148,16013F
Vanguard Fiduciary Trust Co.239,5750.67%$16.7 million0.00%+70,26713F
Goldman Sachs Group Inc.228,4900.64%$16.0 million0.00%+101,54813F
Norges Bank215,3000.60%$15.0 million0.00%13F
Bronte Capital Management Pty Ltd.198,4340.55%$13.9 million1.56%+17813F
Great Point Partners LLC175,0000.49%$12.2 million2.88%-141,45313F
Ameriprise Financial Inc.165,9410.46%$11.6 million0.00%+29,21113F
Citadel Advisors LLC159,7470.44%$11.2 million0.01%-353,78413F
Quinn Opportunity Partners LLC153,0760.43%$10.7 million0.50%-26,17113F
Rhenman & Partners Asset Management AB141,2500.39%$9.9 million0.93%+82,25013F
Qube Research & Technologies Ltd130,5210.36%$9.1 million0.01%-260,15413F
Soleus Capital Management, L.P.128,3620.36%$9.0 million0.31%new13F
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.122,7670.34%$8.6 million0.47%+44113F
Stonepine Capital Management, LLC120,6540.34%$8.4 million6.41%+35,65413F
SummitTX Capital, L.P.112,9340.31%$7.9 million0.21%+70,31013F
The 50 largest of the 239 funds that reported a position in NKTR in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on NKTR

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsPuts175,500$12.3 million30 June 202613F
Millennium ManagementCalls170,000$11.9 million30 June 202613F
Citadel AdvisorsCalls163,800$11.4 million30 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
28 September 202613G/ATwo Seas Capital LP and 5 others3.3 million9.8%25 September 2026passive, institutional (13d-1(b))EDGAR
14 August 202613G/ATwo Seas Capital LP and 5 others3.1 million9.1%30 June 2026passive, institutional (13d-1(b))EDGAR
14 August 202613G/ABiotechnology Value Fund L P and 19 others2.4 million7.1%30 June 2026passive, under 20% (13d-1(c))EDGAR
31 July 202613GVanguard Capital Management and 1 other1.7 million5.2%30 June 2026passive, institutional (13d-1(b))EDGAR
29 July 202613GBlackRock, Inc. and 1 other2.6 million7.8%30 June 2026passive, institutional (13d-1(b))EDGAR
15 May 202613G/ABiotechnology Value Fund L P and 19 others2.9 million9.8%31 March 2026passive, under 20% (13d-1(c))EDGAR
6 May 202613G/AFMR LLC and 3 others4.3 million15.0%31 March 2026passive, institutional (13d-1(b))EDGAR
17 April 202613GTwo Seas Capital LP and 5 others2.0 million6.8%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
6 March 202613GFMR LLC and 3 others3.0 million11.1%27 February 2026passive, institutional (13d-1(b))EDGAR
13 February 202613G/AG1 Execution Services, LLC and 5 others809,9674.0%31 December 2025passive, institutional (13d-1(b))EDGAR
30 January 202613GThe Vanguard Group and 1 other1.0 million5.0%31 December 2025passive, institutional (13d-1(b))EDGAR
14 November 202513G/ATCG Crossover GP II, LLC and 5 others00.0%30 September 2025passive, under 20% (13d-1(c))EDGAR
14 November 202513G/ANantahala Capital Management, LLC and 5 others418,5222.2%30 September 2025passive, institutional (13d-1(b))EDGAR
13 November 202513GSusquehanna Portfolio Strategies, LLC and 3 others1.2 million6.3%30 September 2025passive, institutional (13d-1(b))EDGAR
31 October 202513G/AThe Vanguard Group and 1 other948,6475.0%30 September 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
30 September 2026423$59.24SEC
29 September 20267,035$60.40SEC
22 September 2026147,691$66.84SEC
21 September 2026165,383$67.10SEC
17 September 202612,437$67.38SEC
11 September 20265,168$70.65SEC
10 September 20267,580$73.32SEC
27 August 202673$73.77SEC
25 August 20268,842$73.69SEC
24 August 20269,090$74.02SEC
21 August 20267,074$74.53SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 165,383 on 21 September 2026. A fail is an operational fact about settlement, not a position.