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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, Q4 2025

Institutional positions in Soleno Therapeutics Inc as of Dec 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
248
+14 vs. Q3 2025
Shares held
64.9M
−235.8K (−0.4%) vs. Q3 2025
Total value
$3.01B
−$1.40B (−31.7%) vs. Q3 2025
New holders
63
102 more added
Sold out
49
65 more reduced

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 248 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 heldQ4 2025: $3.01B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Soleno Therapeutics Inc; share changes are against Q3 2025.

Institutions holding SLNO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BNP Paribas Arbitrage, SA212,818$9.85M0.01%+204,710+2,524.8%Added
Alyeska Investment Group, L.P.217,500$10.1M0.03%+25,000+13.0%Added
Balyasny Asset Management LLC227,751$10.5M0.02%−432,814−65.5%Reduced
Emerald Mutual Fund Advisers Trust232,485$10.8M0.52%−147,415−38.8%Reduced
Susquehanna International Group, LLP244,358$11.3M0.02%+228,340+1,425.5%Added
Rock Springs Capital Management LP247,053$11.4M0.59%+92,525+59.9%Added
PFM Health Sciences, LP247,893$11.5M1.16%+4,492+1.8%Added
Penn Capital Management Co Inc275,782$12.8M1.02%+275,782New
Qube Research & Technologies Ltd287,293$13.3M0.02%+221,521+336.8%Added
Standard Life Aberdeen plc287,456$13.3M0.02%+287,456New
Morgan Stanley287,639$13.3M0.00%+121,794+73.4%Added
Logos Global Management LP300,000$13.9M0.93%+300,000New
Citadel Advisors LLC308,830$14.3M0.01%−141,296−31.4%Reduced
Integral Health Asset Management, LLC325,000$15.0M0.76%+325,000New
Catalio Capital Management, LP360,340$16.7M2.95%−57,905−13.8%Reduced
Northern Trust Corp365,418$16.9M0.00%+11,184+3.2%Added
Assenagon Asset Management S.A.384,166$17.8M0.03%+384,166New
Kingdon Capital Management, L.L.C.399,900$18.5M2.83%+98,900+32.9%Added
Great Point Partners LLC400,000$18.5M6.00%+175,000+77.8%Added
Charles Schwab Investment Management Inc401,186$18.6M0.00%+11,830+3.0%Added
Emerald Advisers, LLC412,651$19.1M0.59%−215,105−34.3%Reduced
Schroder Investment Management Group449,848$20.8M0.02%+169,552+60.5%Added
Squarepoint Ops LLC468,654$21.7M0.04%+399,700+579.7%Added
Artia Global Partners LP533,698$24.7M3.97%−138,478−20.6%Reduced
Hood River Capital Management LLC618,005$28.6M0.31%+4,611+0.8%Added
Bank of New York Mellon Corp621,811$28.8M0.01%−5,416−0.9%Reduced
Pictet Asset Management Holding SA624,128$28.9M0.03%+73,504+13.3%Added
Franklin Resources Inc823,958$38.1M0.01%−11,793−1.4%Reduced
Readystate Asset Management LP874,447$40.5M1.79%+668,640+324.9%Added
Invesco Ltd.875,019$40.5M0.00%−625,506−41.7%Reduced
Vivo Capital, LLC894,909$41.4M2.68%−1,383,294−60.7%Reduced
Goldman Sachs Group Inc913,050$42.3M0.01%+357,612+64.4%Added
Deep Track Capital, LP1,000,000$46.3M1.06%+1,000,000New
Woodline Partners LP1,111,778$51.5M0.20%+840,946+310.5%Added
Polar Capital Holdings Plc1,136,929$52.6M0.24%−54,194−4.5%Reduced
Geode Capital Management, LLC1,163,338$53.9M0.00%+78,386+7.2%Added
Braidwell LP1,187,859$55.0M1.76%−94,130−7.3%Reduced
Commodore Capital LP1,200,000$55.6M3.70%−150,000−11.1%Reduced
Millennium Management LLC1,236,321$57.2M0.04%+256,495+26.2%Added
Nantahala Capital Management, LLC1,314,002$60.8M3.63%+450,239+52.1%Added
State Street Corp2,649,626$122.7M0.00%+476,590+21.9%Added
Avoro Capital Advisors LLC2,900,000$134.3M1.32%+322,223+12.5%Added
Vanguard Group Inc3,060,361$141.7M0.00%+253,212+9.0%Added
Price T Rowe Associates Inc3,318,698$153.7M0.02%−584,208−15.0%Reduced
Wellington Management Group LLP3,322,799$153.8M0.03%+1,010,704+43.7%Added
BlackRock, Inc.3,871,639$179.3M0.00%+379,387+10.9%Added
Janus Henderson Group PLC7,178,354$332.3M0.15%+1,122,015+18.5%Added
FMR LLC8,079,304$374.1M0.02%+79,622+1.0%Added
Bessemer Group Inc0$00.00%−1,362−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−1,401,576−100.0%Sold out
Holocene Advisors, LP0$00.00%−997,069−100.0%Sold out
Westfield Capital Management Co LP0$00.00%−899,157−100.0%Sold out
Eventide Asset Management, LLC0$00.00%−467,435−100.0%Sold out
Siren, L.L.C.0$00.00%−467,342−100.0%Sold out
Samlyn Capital, LLC0$00.00%−466,175−100.0%Sold out
Tri Locum Partners LP0$00.00%−450,585−100.0%Sold out
TimesSquare Capital Management, LLC0$00.00%−377,566−100.0%Sold out
Jennison Associates LLC0$00.00%−349,071−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−280,984−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−200,000−100.0%Sold out
MPM Oncology Impact Management LP0$00.00%−150,000−100.0%Sold out
HSBC Holdings PLC0$00.00%−123,951−100.0%Sold out
CenterBook Partners LP0$00.00%−62,794−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−60,744−100.0%Sold out
DAFNA Capital Management LLC0$00.00%−53,000−100.0%Sold out
Tang Capital Management LLC0$00.00%−50,000−100.0%Sold out
Exome Asset Management LLC0$00.00%−48,445−100.0%Sold out
Algert Global LLC0$00.00%−41,040−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−39,472−100.0%Sold out
Headlands Technologies LLC0$00.00%−26,303−100.0%Sold out
Macquarie Group Ltd0$00.00%−26,004−100.0%Sold out
Zimmer Partners, LP0$00.00%−24,600−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−24,000−100.0%Sold out
J. Goldman & Co LP0$00.00%−19,658−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−14,106−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−13,101−100.0%Sold out
Maplelane Capital, LLC0$00.00%−13,001−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−8,800−100.0%Sold out
Mariner, LLC0$00.00%−8,359−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−8,102−100.0%Sold out
Fieldview Capital Management, LLC0$00.00%−7,932−100.0%Sold out
RWC Asset Management LLP0$00.00%−7,466−100.0%Sold out
Fifth Lane Capital, LP0$00.00%−6,550−100.0%Sold out
RMB Capital Management, LLC0$00.00%−4,794−100.0%Sold out
PharVision Advisers, LLC0$00.00%−4,257−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−3,540−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−3,466−100.0%Sold out
Xponance, Inc.0$00.00%−3,259−100.0%Sold out
Principal Financial Group Inc0$00.00%−3,197−100.0%Sold out
Quarry LP0$00.00%−695−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−553−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−299−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−123−100.0%Sold out
Washington Trust Advisors, Inc.0$00.00%−33−100.0%Sold out
Montag A & Associates Inc0$00.00%−9−100.0%Sold out
Principal Securities, Inc.0$00.00%−7−100.0%Sold out
Tortoise Investment Management, LLC0$00.00%−2−100.0%Sold out
AXA Investment Managers S.A.––––Not filed
Wolverine Trading, LLC––––Not filed
Glenmede Investment Management, LP––––Not filed