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Soleno Therapeutics Inc

SLNODelisted
Industry
Pharmaceutical Preparations
SEC CIK
0001484565

Soleno Therapeutics Inc was delisted in 2026; its insiders filed their last Form 4 on May 18, 2026; 227 institutions reported holding it in 13F filings for Q1 2026, worth $2.09B in total; no superinvestor held it.

13F holders, Q1 2026

Institutional positions in Soleno Therapeutics Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

SLNO is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.

Institutional holders
227
−15 vs. Q4 2025
Shares held
62.4M
+598.6K (+1.0%) vs. Q4 2025
Total value
$2.09B
−$775.4M (−27.1%) vs. Q4 2025
New holders
45
92 more added
Sold out
60
69 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SLNO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 227 institutions
Q1 2021: 62 institutionsQ2 2021: 46 institutionsQ3 2021: 38 institutionsQ4 2021: 38 institutionsQ1 2022: 40 institutionsQ2 2022: 39 institutionsQ3 2022: 21 institutionsQ4 2022: 25 institutionsQ1 2023: 20 institutionsQ2 2023: 22 institutionsQ3 2023: 54 institutionsQ4 2023: 76 institutionsQ1 2024: 98 institutionsQ2 2024: 114 institutionsQ3 2024: 142 institutionsQ4 2024: 166 institutionsQ1 2025: 217 institutionsQ2 2025: 234 institutionsQ3 2025: 240 institutionsQ4 2025: 248 institutionsQ1 2026: 227 institutionsQ2 2026: 0 institutions
Value heldQ1 2026: $2.09B
Q1 2021: $40.1MQ2 2021: $32.6MQ3 2021: $26.3MQ4 2021: $11.5MQ1 2022: $11.2MQ2 2022: $8.12MQ3 2022: $4.82MQ4 2022: $5.52MQ1 2023: $6.54MQ2 2023: $20.8MQ3 2023: $598.8MQ4 2023: $1.38BQ1 2024: $1.53BQ2 2024: $1.92BQ3 2024: $2.38BQ4 2024: $2.29BQ1 2025: $3.90BQ2 2025: $4.75BQ3 2025: $4.43BQ4 2025: $3.01BQ1 2026: $2.09BQ2 2026: $0
Institutions holding SLNO and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 2026227$2.09B
Q4 2025248$3.01B
Q3 2025240$4.43B
Q2 2025234$4.75B
Q1 2025217$3.90B
Q4 2024166$2.29B
Q3 2024142$2.38B
Q2 2024114$1.92B
Q1 202498$1.53B
Q4 202376$1.38B
Q3 202354$598.8M
Q2 202322$20.8M
Q1 202320$6.54M
Q4 202225$5.52M
Q3 202221$4.82M
Q2 202239$8.12M
Q1 202240$11.2M
Q4 202138$11.5M
Q3 202138$26.3M
Q2 202146$32.6M
Q1 202162$40.1M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Soleno Therapeutics Inc; share changes are against Q4 2025.

Institutions holding SLNO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC7,099,328$237.6M0.11%−79,026−1.1%Reduced
FMR LLC5,788,410$193.8M0.01%−2,290,894−28.4%Reduced
Wellington Management Group LLP4,426,781$148.2M0.03%+1,103,982+33.2%Added
BlackRock, Inc.3,742,774$125.3M0.00%−128,865−3.3%Reduced
State Street Corp2,680,802$89.8M0.00%+31,176+1.2%Added
Avoro Capital Advisors LLC2,300,000$77.0M0.76%−600,000−20.7%Reduced
Vanguard Capital Management LLC2,153,218$72.1M0.00%+2,153,218New
Nantahala Capital Management, LLC1,744,124$58.4M3.64%+430,122+32.7%Added
Polar Capital Holdings Plc1,698,855$56.9M0.25%+561,926+49.4%Added
Khrom Capital Management LLC1,511,481$50.6M4.63%+1,511,481New
Geode Capital Management, LLC1,237,550$41.4M0.00%+74,212+6.4%Added
Woodline Partners LP1,112,104$37.2M0.14%+3260.0%Added
Deep Track Capital, LP1,078,710$36.1M0.75%+78,710+7.9%Added
Price T Rowe Associates Inc1,025,937$34.4M0.00%−2,292,761−69.1%Reduced
Braidwell LP959,259$32.1M1.07%−228,600−19.2%Reduced
Readystate Asset Management LP952,165$31.9M1.86%+77,718+8.9%Added
Franklin Resources Inc835,178$28.0M0.01%+11,220+1.4%Added
Vestal Point Capital, LP730,000$24.4M0.68%+730,000New
Commodore Capital LP652,432$21.8M1.26%−547,568−45.6%Reduced
Hood River Capital Management LLC623,421$20.9M0.21%+5,416+0.9%Added
Pictet Asset Management Holding SA616,217$20.6M0.02%−7,911−1.3%Reduced
Millennium Management LLC606,513$20.3M0.02%−629,808−50.9%Reduced
Schroder Investment Management Group648,827$19.8M0.02%+198,979+44.2%Added
Catalio Capital Management, LP577,808$19.3M4.04%+217,468+60.4%Added
Kingdon Capital Management, L.L.C.575,000$19.3M3.22%+175,100+43.8%Added
Kynam Capital Management, LP560,000$18.7M1.19%+560,000New
Susquehanna International Group, LLP549,877$18.4M0.02%+305,519+125.0%Added
Qube Research & Technologies Ltd483,884$16.2M0.02%+196,591+68.4%Added
Vanguard Portfolio Management LLC477,321$16.0M0.00%+477,321New
Renaissance Technologies LLC447,300$15.0M0.02%+447,300New
Bank of America Corp439,902$14.7M0.00%+231,307+110.9%Added
BNP Paribas Arbitrage, SA432,535$14.5M0.01%+219,717+103.2%Added
Caption Management, LLC420,143$14.1M0.67%+378,043+898.0%Added
Charles Schwab Investment Management Inc405,910$13.6M0.00%+4,724+1.2%Added
Northern Trust Corp393,523$13.2M0.00%+28,105+7.7%Added
Citadel Advisors LLC386,545$12.9M0.01%+77,715+25.2%Added
Goldman Sachs Group Inc385,798$12.9M0.00%−527,252−57.7%Reduced
Ikarian Capital, LLC344,123$11.5M1.65%+275,300+400.0%Added
Vanguard Fiduciary Trust Co342,758$11.5M0.00%+342,758New
Integral Health Asset Management, LLC325,000$10.9M0.58%00.0%Unchanged
Vivo Capital, LLC294,909$9.87M0.82%−600,000−67.0%Reduced
Standard Life Aberdeen plc287,456$9.62M0.02%00.0%Unchanged
Candriam Luxembourg S.C.A.281,620$9.43M0.05%+281,620New
Bank of New York Mellon Corp277,851$9.30M0.00%−343,960−55.3%Reduced
Emerald Advisers, LLC274,138$9.18M0.29%−138,513−33.6%Reduced
Penn Capital Management Co Inc268,785$9.02M0.70%−6,997−2.5%Reduced
Rock Springs Capital Management LP257,253$8.61M0.51%+10,200+4.1%Added
Logos Global Management LP250,000$8.37M0.43%−50,000−16.7%Reduced
PFM Health Sciences, LP248,180$8.31M0.87%+287+0.1%Added
Morgan Stanley242,262$8.11M0.00%−45,377−15.8%Reduced
UBS Group AG225,147$7.54M0.00%+55,641+32.8%Added
Trexquant Investment LP221,928$7.43M0.05%+89,016+67.0%Added
Marshall Wace, LLP221,214$7.41M0.01%+214,619+3,254.3%Added
Alyeska Investment Group, L.P.217,500$7.28M0.02%00.0%Unchanged
Sphera Funds Management Ltd.216,281$7.24M1.25%+79,967+58.7%Added
Rice Hall James & Associates, LLC206,147$6.90M0.38%+206,147New
Hudson Bay Capital Management LP203,291$6.81M0.04%+202,952+59,867.8%Added
Emerald Mutual Fund Advisers Trust200,727$6.72M0.33%−31,758−13.7%Reduced
Ally Bridge Group (NY) LLC200,000$6.70M6.65%+31,971+19.0%Added
National Philanthropic Trust200,000$6.70M0.07%+130,455+187.6%Added
Boxer Capital Management, LLC200,000$6.70M0.88%+200,000New
SEB Asset Management AB187,475$6.28M0.03%+187,475New
Squarepoint Ops LLC185,337$6.21M0.01%−283,317−60.5%Reduced
New York State Common Retirement Fund185,317$6.20M0.01%00.0%Unchanged
Buckley Capital Advisors, LLC181,750$6.08M5.15%+32,600+21.9%Added
HSBC Holdings PLC174,204$5.83M0.00%+174,204New
Seven Fleet Capital Management LP169,770$5.68M1.79%+39,691+30.5%Added
HighVista Strategies LLC165,227$5.53M1.53%+30,158+22.3%Added
Nicolet Bankshares Inc156,766$5.25M0.19%+156,766New
Deutsche Bank AG148,374$4.97M0.00%+6,392+4.5%Added
Brevan Howard Capital Management LP135,621$4.54M0.05%−12,179−8.2%Reduced
Deeter Investments LLP129,500$4.34M0.76%+129,500New
Nan Fung Trinity (HK) Ltd126,050$4.22M0.46%+2,200+1.8%Added
Boothbay Fund Management, LLC124,519$4.17M0.10%+80,657+183.9%Added
Granahan Investment Management Inc114,825$3.84M0.19%−22,767−16.5%Reduced
Nuveen, LLC104,738$3.51M0.00%+4,116+4.1%Added
Polygon Management Ltd.102,125$3.42M0.67%+102,125New
Centiva Capital, LP101,234$3.39M0.16%−17,570−14.8%Reduced
State of Wisconsin Investment Board90,907$3.04M0.01%+18,425+25.4%Added
Swiss National Bank90,300$3.02M0.00%+1,200+1.3%Added
XTX Topco Ltd85,680$2.87M0.05%+49,386+136.1%Added
Mutual of America Capital Management LLC82,834$2.77M0.03%−332−0.4%Reduced
Rafferty Asset Management, LLC79,622$2.67M0.01%−15,975−16.7%Reduced
UBS Asset Management Americas Inc71,986$2.41M0.00%−374−0.5%Reduced
Artia Global Partners LP68,490$2.29M0.52%−465,208−87.2%Reduced
HealthInvest Partners AB90,184$2.21M0.71%+27,449+43.8%Added
SEI Investments Co62,946$2.11M0.00%−4,384−6.5%Reduced
Exome Asset Management LLC61,673$2.06M1.21%+61,673New
KVP Capital Advisors, LP59,700$2.00M1.49%00.0%Unchanged
Alliancebernstein L.P.43,090$2.00M0.00%+800+1.9%Added
Rhumbline Advisers59,285$1.98M0.00%+4,217+7.7%Added
Russell Investments Group, Ltd.58,692$1.97M0.00%+12,014+25.7%Added
California State Teachers Retirement System58,388$1.95M0.00%+17,671+43.4%Added
Diametric Capital, LP57,832$1.94M0.51%+26,504+84.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.57,828$1.94M0.00%+18,870+48.4%Added
Citigroup Inc56,656$1.90M0.00%+21,993+63.4%Added
SummitTX Capital, L.P.56,585$1.89M0.06%−155,142−73.3%Reduced
Tudor Investment Corp Et Al56,118$1.88M0.01%+56,118New
Barclays PLC54,219$1.82M0.00%−103,466−65.6%Reduced
DV Trading LLC54,000$1.81M0.16%00.0%Unchanged