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Soleno Therapeutics Inc

SLNODelisted May 18, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001484565

Soleno Therapeutics Inc was delisted on May 18, 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 2025

Institutional positions in Soleno Therapeutics Inc as of Mar 31, 2025. 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

Institutional holders
217
+53 vs. Q4 2024
Shares held
54.6M
+3.59M (+7.0%) vs. Q4 2024
Total value
$3.90B
+$1.61B (+70.3%) vs. Q4 2024
New holders
70
73 more added
Sold out
17
55 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 217 institutions
Q1 2021: 63 institutionsQ2 2021: 47 institutionsQ3 2021: 39 institutionsQ4 2021: 39 institutionsQ1 2022: 41 institutionsQ2 2022: 40 institutionsQ3 2022: 22 institutionsQ4 2022: 26 institutionsQ1 2023: 21 institutionsQ2 2023: 23 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 2025: $3.90B
Q1 2021: $41.2MQ2 2021: $33.6MQ3 2021: $27.1MQ4 2021: $11.8MQ1 2022: $11.2MQ2 2022: $8.80MQ3 2022: $5.23MQ4 2022: $6.00MQ1 2023: $7.06MQ2 2023: $21.8MQ3 2023: $598.8MQ4 2023: $1.26BQ1 2024: $1.52BQ2 2024: $1.79BQ3 2024: $2.38BQ4 2024: $2.29BQ1 2025: $3.90BQ2 2025: $4.75BQ3 2025: $4.41BQ4 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$4.41B
Q2 2025234$4.75B
Q1 2025217$3.90B
Q4 2024166$2.29B
Q3 2024142$2.38B
Q2 2024114$1.79B
Q1 202498$1.52B
Q4 202376$1.26B
Q3 202354$598.8M
Q2 202323$21.8M
Q1 202321$7.06M
Q4 202226$6.00M
Q3 202222$5.23M
Q2 202240$8.80M
Q1 202241$11.2M
Q4 202139$11.8M
Q3 202139$27.1M
Q2 202147$33.6M
Q1 202163$41.2M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Soleno Therapeutics Inc; share changes are against Q4 2024.

Institutions holding SLNO in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC5,140,899$370.0M0.20%−47,366−0.9%Reduced
Vivo Capital, LLC4,458,294$318.5M42.19%−1,833,557−29.1%Reduced
Adage Capital Partners GP, L.L.C.4,392,696$313.9M0.58%+1,616,720+58.2%Added
Avoro Capital Advisors LLC2,525,000$180.4M2.82%00.0%Unchanged
Price T Rowe Associates Inc2,400,418$171.5M0.02%+769,700+47.2%Added
FMR LLC2,233,473$159.6M0.01%+1,420,446+174.7%Added
BlackRock, Inc.1,913,326$136.7M0.00%−96,464−4.8%Reduced
Vanguard Group Inc1,866,326$133.3M0.00%−18,207−1.0%Reduced
Nantahala Capital Management, LLC1,757,023$125.5M10.38%−2,171,943−55.3%Reduced
Citadel Advisors LLC1,576,044$112.6M0.11%+603,634+62.1%Added
Perceptive Advisors LLC1,506,602$107.6M3.82%+5,562+0.4%Added
Westfield Capital Management Co LP1,211,245$86.5M0.42%+329,785+37.4%Added
Holocene Advisors, LP1,196,990$85.5M0.25%+241,523+25.3%Added
State Street Corp1,169,199$83.5M0.00%−177,820−13.2%Reduced
Commodore Capital LP1,150,000$82.2M6.05%−375,000−24.6%Reduced
Point72 Asset Management, L.P.915,995$65.4M0.18%+915,995New
Carlyle Group Inc.860,980$61.4M1.62%−514,666−37.4%Reduced
Pictet Asset Management Holding SA837,836$59.9M0.07%−14,002−1.6%Reduced
Siren, L.L.C.727,337$52.0M2.93%+375,519+106.7%Added
Wellington Management Group LLP693,644$49.6M0.01%−88,621−11.3%Reduced
Millennium Management LLC679,291$48.5M0.05%+202,490+42.5%Added
Goldman Sachs Group Inc633,110$45.2M0.01%+213,667+50.9%Added
Geode Capital Management, LLC615,736$44.0M0.00%+16,617+2.8%Added
PFM Health Sciences, LP595,206$42.5M3.26%+287,703+93.6%Added
Emerald Advisers, LLC564,481$40.3M1.82%−16,438−2.8%Reduced
Alyeska Investment Group, L.P.529,209$37.8M0.15%+105,128+24.8%Added
Polar Capital Holdings Plc500,000$35.7M0.22%+500,000New
Frazier Life Sciences Management, L.P.499,159$35.7M1.63%−200,000−28.6%Reduced
Artia Global Partners LP498,473$35.6M10.44%+4,049+0.8%Added
Sofinnova Investments, Inc.484,471$34.6M2.61%−272,777−36.0%Reduced
Invesco Ltd.467,193$33.4M0.01%+455,181+3,789.4%Added
Capital World Investors464,833$33.2M0.01%+464,833New
Assenagon Asset Management S.A.434,514$31.0M0.06%+434,514New
Bank of America Corp430,059$30.7M0.00%+380,110+761.0%Added
Emerald Mutual Fund Advisers Trust371,697$26.6M1.88%+3,123+0.8%Added
Woodline Partners LP349,664$25.0M0.16%+48,102+16.0%Added
Bank of New York Mellon Corp302,664$21.6M0.00%+234,649+345.0%Added
Caption Management, LLC295,000$21.1M0.96%+271,852+1,174.4%Added
TCG Crossover Management, LLC275,000$19.6M2.68%−275,000−50.0%Reduced
Soros Fund Management LLCSuperinvestorSoros Fund Management270,663$19.3M0.34%+270,663New
Logos Global Management LP250,000$17.9M3.18%−100,000−28.6%Reduced
Driehaus Capital Management LLC247,737$17.7M0.17%+247,737New
Tri Locum Partners LP234,920$16.8M8.61%+234,920New
Northern Trust Corp232,336$16.6M0.00%+5,447+2.4%Added
Qube Research & Technologies Ltd223,287$16.0M0.02%+104,673+88.2%Added
Charles Schwab Investment Management Inc213,984$15.3M0.00%−3,566−1.6%Reduced
Morgan Stanley212,359$15.2M0.00%+2,122+1.0%Added
TimesSquare Capital Management, LLC206,600$14.8M0.24%−133,174−39.2%Reduced
Samlyn Capital, LLC190,882$13.6M0.22%−187,221−49.5%Reduced
Comerica Bank188,093$13.4M0.06%+66,880+55.2%Added
Checkpoint Capital L.P.172,902$12.4M6.78%+102,875+146.9%Added
Silverarc Capital Management, LLC166,417$11.9M2.48%+166,417New
Catalio Capital Management, LP160,962$11.5M2.85%+160,962New
HSBC Holdings PLC152,957$10.9M0.01%+152,957New
Soleus Capital Management, L.P.150,000$10.7M0.84%+150,000New
Rock Springs Capital Management LP124,095$8.87M0.51%00.0%Unchanged
Marshall Wace, LLP123,754$8.84M0.01%−276,095−69.0%Reduced
Ally Bridge Group (NY) LLC120,449$8.61M7.76%+32,820+37.5%Added
Deutsche Bank AG118,470$8.46M0.00%−985−0.8%Reduced
Atika Capital Management LLC100,600$7.19M1.10%+29,900+42.3%Added
Readystate Asset Management LP99,422$7.10M0.36%+49,422+98.8%Added
Walleye Capital LLC97,536$6.97M0.08%+20,602+26.8%Added
Diadema Partners LP93,002$6.64M5.31%+21,014+29.2%Added
Nuveen, LLC84,830$6.06M0.00%+84,830New
Ensign Peak Advisors, Inc81,063$5.79M0.01%+71,862+781.0%Added
Nan Fung Group Holdings Ltd79,650$5.69M4.64%00.0%Unchanged
Barclays PLC78,329$5.60M0.00%−48,346−38.2%Reduced
TD Asset Management Inc74,010$5.29M0.00%+14,276+23.9%Added
Mutual of America Capital Management LLC72,582$5.19M0.06%+72,582New
Allspring Global Investments Holdings, LLC67,349$4.81M0.01%−60,679−47.4%Reduced
Acuta Capital Partners, LLC67,136$4.80M5.56%+67,136New
EAM Global Investors LLC62,436$4.46M1.21%+62,436New
UBS Group AG57,477$4.11M0.00%+7,322+14.6%Added
Citigroup Inc55,118$3.94M0.00%+1,285+2.4%Added
Lord, Abbett & Co. LLC55,061$3.93M0.01%+55,061New
Manufacturers Life Insurance Company, The53,041$3.79M0.00%+1,884+3.7%Added
Quadrature Capital Ltd51,762$3.69M0.08%+51,762New
F/M Investments LLC50,767$3.63M0.14%+2,973+6.2%Added
Susquehanna International Group, LLP50,274$3.59M0.01%+23,742+89.5%Added
Swiss National Bank50,100$3.58M0.00%+4,200+9.2%Added
Affinity Asset Advisors, LLC50,000$3.57M0.56%−80,000−61.5%Reduced
Tang Capital Management LLC50,000$3.57M0.20%00.0%Unchanged
683 Capital Management, LLC50,000$3.57M0.36%00.0%Unchanged
EAM Investors, LLC49,548$3.54M0.61%+49,548New
Harbor Capital Advisors, Inc.46,931$3.35M0.15%+9,635+25.8%Added
Rafferty Asset Management, LLC46,353$3.31M0.01%−20,127−30.3%Reduced
Exome Asset Management LLC43,441$3.10M2.78%−33,844−43.8%Reduced
UBS Asset Management Americas Inc40,715$2.91M0.00%+13,211+48.0%Added
Y-Intercept (Hong Kong) Ltd40,425$2.89M0.20%+40,425New
Fred Alger Management, LLC40,394$2.89M0.02%+25,589+172.8%Added
Resolute Capital Asset Partners LLC40,000$2.86M1.61%+40,000New
Alliancebernstein L.P.37,731$2.70M0.00%+13,921+58.5%Added
HealthInvest Partners AB37,098$2.65M1.17%+6,158+19.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH36,495$2.61M0.01%+36,495New
Rhumbline Advisers36,439$2.60M0.00%+2,044+5.9%Added
Schonfeld Strategic Advisors LLC35,706$2.55M0.02%+35,706New
Gilder Gagnon Howe & Co LLC33,086$2.36M0.03%+33,086New
Granahan Investment Management Inc32,491$2.32M0.12%+32,491New
Avidity Partners Management LP32,000$2.29M0.47%+32,000New
California State Teachers Retirement System31,294$2.24M0.00%+9,317+42.4%Added