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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, Q2 2025

Institutional positions in Soleno Therapeutics Inc as of Jun 30, 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
234
+18 vs. Q1 2025
Shares held
56.7M
+2.18M (+4.0%) vs. Q1 2025
Total value
$4.75B
+$853.0M (+21.9%) vs. Q1 2025
New holders
52
106 more added
Sold out
34
57 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 234 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 heldQ2 2025: $4.75B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Soleno Therapeutics Inc; share changes are against Q1 2025.

Institutions holding SLNO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Catalio Capital Management, LP409,944$34.3M7.20%+248,982+154.7%Added
Susquehanna International Group, LLP412,707$34.6M0.05%+362,433+720.9%Added
Sofinnova Investments, Inc.415,219$34.8M2.37%−69,252−14.3%Reduced
RTW Investments, LP424,408$35.6M0.51%+424,408New
Perceptive Advisors LLC430,439$36.1M1.35%−1,076,163−71.4%Reduced
Morgan Stanley440,054$36.9M0.00%+227,695+107.2%Added
Alyeska Investment Group, L.P.445,352$37.3M0.13%−83,857−15.8%Reduced
Siren, L.L.C.467,342$39.2M2.03%−259,995−35.7%Reduced
Bank of New York Mellon Corp485,865$40.7M0.01%+183,201+60.5%Added
Artia Global Partners LP494,424$41.4M10.65%−4,049−0.8%Reduced
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.502,374$42.1M4.97%+502,374New
Commodore Capital LP610,000$51.1M3.61%−540,000−47.0%Reduced
Capital World Investors614,833$51.5M0.01%+150,000+32.3%Added
Wellington Management Group LLP621,038$52.0M0.01%−72,606−10.5%Reduced
Millennium Management LLC633,721$53.1M0.05%−45,570−6.7%Reduced
Invesco Ltd.645,974$54.1M0.01%+178,781+38.3%Added
Pictet Asset Management Holding SA652,052$54.6M0.06%−185,784−22.2%Reduced
Emerald Advisers, LLC672,908$56.4M2.07%+108,427+19.2%Added
Polar Capital Holdings Plc817,500$68.5M0.36%+317,500+63.5%Added
Carlyle Group Inc.860,980$72.1M1.43%00.0%Unchanged
Geode Capital Management, LLC902,396$75.6M0.01%+286,660+46.6%Added
Nantahala Capital Management, LLC1,001,350$83.9M5.93%−755,673−43.0%Reduced
Holocene Advisors, LP1,153,048$96.6M0.24%−43,942−3.7%Reduced
State Street Corp1,404,983$117.7M0.00%+235,784+20.2%Added
Westfield Capital Management Co LP1,429,756$119.8M0.50%+218,511+18.0%Added
Citadel Advisors LLC1,505,161$126.1M0.11%−70,883−4.5%Reduced
Avoro Capital Advisors LLC2,050,000$171.7M3.01%−475,000−18.8%Reduced
Vanguard Group Inc2,487,832$208.4M0.00%+621,506+33.3%Added
BlackRock, Inc.2,844,747$238.3M0.00%+931,421+48.7%Added
FMR LLC3,337,858$279.6M0.02%+1,104,385+49.4%Added
Price T Rowe Associates Inc3,461,482$290.0M0.03%+1,061,064+44.2%Added
Adage Capital Partners GP, L.L.C.3,575,964$299.6M0.50%−816,732−18.6%Reduced
Vivo Capital, LLC3,958,294$331.6M33.94%−500,000−11.2%Reduced
Janus Henderson Group PLC5,308,009$444.6M0.22%+167,110+3.3%Added
Point72 Asset Management, L.P.0$00.00%−915,995−100.0%Sold out
Frazier Life Sciences Management, L.P.0$00.00%−499,159−100.0%Sold out
Soros Fund Management LLCSuperinvestorSoros Fund Management0$00.00%−270,663−100.0%Sold out
Logos Global Management LP0$00.00%−250,000−100.0%Sold out
Checkpoint Capital L.P.0$00.00%−172,902−100.0%Sold out
Nan Fung Group Holdings Ltd0$00.00%−79,650−100.0%Sold out
Quadrature Capital Ltd0$00.00%−51,762−100.0%Sold out
Affinity Asset Advisors, LLC0$00.00%−50,000−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−33,086−100.0%Sold out
XTX Topco Ltd0$00.00%−23,105−100.0%Sold out
Allostery Investments LP0$00.00%−20,000−100.0%Sold out
Springhill Fund Asset Management (HK) Co Ltd0$00.00%−19,858−100.0%Sold out
Patient Square Capital LP0$00.00%−18,600−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−17,360−100.0%Sold out
DRW Securities, LLC0$00.00%−14,761−100.0%Sold out
Nebula Research & Development LLC0$00.00%−14,469−100.0%Sold out
Virtu Financial LLC0$00.00%−14,396−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−12,535−100.0%Sold out
Scientech Research LLC0$00.00%−11,620−100.0%Sold out
StemPoint Capital LP0$00.00%−11,155−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−7,850−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−7,830−100.0%Sold out
Jain Global LLC0$00.00%−5,797−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−5,278−100.0%Sold out
SG Americas Securities, LLC0$00.00%−4,397−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−4,096−100.0%Sold out
Bryce Point Capital, LLC0$00.00%−3,243−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−2,908−100.0%Sold out
Quarry LP0$00.00%−1,700−100.0%Sold out
TD Private Client Wealth LLC0$00.00%−10−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−7−100.0%Sold out
Creative Financial Designs Inc0$00.00%−5−100.0%Sold out
Signaturefd, LLC0$00.00%−2−100.0%Sold out
National Bank of Canada0$00.00%−1−100.0%Sold out
Glenmede Trust Co NA––––Not filed