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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
Janus Henderson Group PLC5,308,009$444.6M0.22%+167,110+3.3%Added
Vivo Capital, LLC3,958,294$331.6M33.94%−500,000−11.2%Reduced
Adage Capital Partners GP, L.L.C.3,575,964$299.6M0.50%−816,732−18.6%Reduced
Price T Rowe Associates Inc3,461,482$290.0M0.03%+1,061,064+44.2%Added
FMR LLC3,337,858$279.6M0.02%+1,104,385+49.4%Added
BlackRock, Inc.2,844,747$238.3M0.00%+931,421+48.7%Added
Vanguard Group Inc2,487,832$208.4M0.00%+621,506+33.3%Added
Avoro Capital Advisors LLC2,050,000$171.7M3.01%−475,000−18.8%Reduced
Citadel Advisors LLC1,505,161$126.1M0.11%−70,883−4.5%Reduced
Westfield Capital Management Co LP1,429,756$119.8M0.50%+218,511+18.0%Added
State Street Corp1,404,983$117.7M0.00%+235,784+20.2%Added
Holocene Advisors, LP1,153,048$96.6M0.24%−43,942−3.7%Reduced
Nantahala Capital Management, LLC1,001,350$83.9M5.93%−755,673−43.0%Reduced
Geode Capital Management, LLC902,396$75.6M0.01%+286,660+46.6%Added
Carlyle Group Inc.860,980$72.1M1.43%00.0%Unchanged
Polar Capital Holdings Plc817,500$68.5M0.36%+317,500+63.5%Added
Emerald Advisers, LLC672,908$56.4M2.07%+108,427+19.2%Added
Pictet Asset Management Holding SA652,052$54.6M0.06%−185,784−22.2%Reduced
Invesco Ltd.645,974$54.1M0.01%+178,781+38.3%Added
Millennium Management LLC633,721$53.1M0.05%−45,570−6.7%Reduced
Wellington Management Group LLP621,038$52.0M0.01%−72,606−10.5%Reduced
Capital World Investors614,833$51.5M0.01%+150,000+32.3%Added
Commodore Capital LP610,000$51.1M3.61%−540,000−47.0%Reduced
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.502,374$42.1M4.97%+502,374New
Artia Global Partners LP494,424$41.4M10.65%−4,049−0.8%Reduced
Bank of New York Mellon Corp485,865$40.7M0.01%+183,201+60.5%Added
Siren, L.L.C.467,342$39.2M2.03%−259,995−35.7%Reduced
Alyeska Investment Group, L.P.445,352$37.3M0.13%−83,857−15.8%Reduced
Morgan Stanley440,054$36.9M0.00%+227,695+107.2%Added
Perceptive Advisors LLC430,439$36.1M1.35%−1,076,163−71.4%Reduced
RTW Investments, LP424,408$35.6M0.51%+424,408New
Sofinnova Investments, Inc.415,219$34.8M2.37%−69,252−14.3%Reduced
Susquehanna International Group, LLP412,707$34.6M0.05%+362,433+720.9%Added
Catalio Capital Management, LP409,944$34.3M7.20%+248,982+154.7%Added
PFM Health Sciences, LP407,202$34.1M2.96%−188,004−31.6%Reduced
Emerald Mutual Fund Advisers Trust405,651$34.0M2.07%+33,954+9.1%Added
Readystate Asset Management LP392,809$32.9M1.37%+293,387+295.1%Added
Driehaus Capital Management LLC384,273$32.2M0.26%+136,536+55.1%Added
Balyasny Asset Management LLC361,605$30.3M0.07%+344,273+1,986.3%Added
Woodline Partners LP349,664$29.3M0.15%00.0%Unchanged
Goldman Sachs Group Inc344,972$28.9M0.00%−288,138−45.5%Reduced
Northern Trust Corp328,640$27.5M0.00%+96,304+41.5%Added
Charles Schwab Investment Management Inc296,262$24.8M0.00%+82,278+38.5%Added
Tri Locum Partners LP288,880$24.2M7.34%+53,960+23.0%Added
Marshall Wace, LLP288,334$24.2M0.03%+164,580+133.0%Added
Diadema Partners LP284,152$23.8M14.80%+191,150+205.5%Added
Caption Management, LLC263,287$22.1M2.02%−31,713−10.8%Reduced
JPMorgan Chase & Co258,965$21.7M0.00%+231,579+845.6%Added
Assenagon Asset Management S.A.250,441$21.0M0.03%−184,073−42.4%Reduced
TimesSquare Capital Management, LLC247,369$20.7M0.30%+40,769+19.7%Added
Comerica Bank245,349$20.6M0.08%+57,256+30.4%Added
Samlyn Capital, LLC240,127$20.1M0.29%+49,245+25.8%Added
Bank of America Corp238,643$20.0M0.00%−191,416−44.5%Reduced
Silverarc Capital Management, LLC204,591$17.1M3.51%+38,174+22.9%Added
Nuveen, LLC203,867$17.1M0.00%+119,037+140.3%Added
Franklin Resources Inc186,402$15.6M0.00%+186,402New
TCG Crossover Management, LLC186,250$15.6M1.78%−88,750−32.3%Reduced
Ally Bridge Group (NY) LLC178,819$15.0M12.47%+58,370+48.5%Added
Rock Springs Capital Management LP154,528$12.9M0.81%+30,433+24.5%Added
Barclays PLC138,415$11.6M0.00%+60,086+76.7%Added
Lord, Abbett & Co. LLC136,508$11.4M0.04%+81,447+147.9%Added
Deutsche Bank AG127,333$10.7M0.00%+8,863+7.5%Added
Zimmer Partners, LP120,600$10.1M0.23%+120,600New
Atika Capital Management LLC120,500$10.1M1.05%+19,900+19.8%Added
Ensign Peak Advisors, Inc119,246$9.99M0.02%+38,183+47.1%Added
Qube Research & Technologies Ltd116,874$9.79M0.01%−106,413−47.7%Reduced
Voya Investment Management LLC114,898$9.63M0.01%+107,913+1,544.9%Added
D. E. Shaw & Co., Inc.114,690$9.61M0.01%+98,018+587.9%Added
UBS Group AG105,996$8.88M0.00%+48,519+84.4%Added
Nan Fung Trinity (HK) Ltd102,950$8.63M1.03%+102,950New
Royce & Associates LP100,698$8.44M0.09%+96,698+2,417.5%Added
TD Asset Management Inc99,810$8.36M0.01%+25,800+34.9%Added
UBS Asset Management Americas Inc89,005$7.46M0.00%+48,290+118.6%Added
First Turn Management, LLC86,332$7.23M1.35%+57,217+196.5%Added
Russell Investments Group, Ltd.82,953$6.95M0.01%+82,932+394,914.3%Added
Allspring Global Investments Holdings, LLC79,001$6.62M0.01%+11,652+17.3%Added
Mutual of America Capital Management LLC78,254$6.56M0.07%+5,672+7.8%Added
Manufacturers Life Insurance Company, The77,263$6.47M0.01%+24,222+45.7%Added
Hudson Bay Capital Management LP67,352$5.64M0.04%+67,352New
Persistent Asset Partners Ltd65,319$5.47M4.79%+43,898+204.9%Added
Acuta Capital Partners, LLC63,436$5.31M7.42%−3,700−5.5%Reduced
EAM Global Investors LLC62,414$5.23M1.35%−220.0%Reduced
Swiss National Bank62,300$5.22M0.00%+12,200+24.4%Added
Granahan Investment Management Inc59,977$5.02M0.20%+27,486+84.6%Added
Rhumbline Advisers59,046$4.95M0.00%+22,607+62.0%Added
Neuberger Berman Group LLC54,939$4.60M0.00%+54,939New
Schonfeld Strategic Advisors LLC50,964$4.27M0.03%+15,258+42.7%Added
Tang Capital Management LLC50,000$4.19M0.21%00.0%Unchanged
MPM Oncology Impact Management LP50,000$4.19M0.73%+50,000New
Harbor Capital Advisors, Inc.48,498$4.06M0.17%+1,567+3.3%Added
Rafferty Asset Management, LLC47,399$3.97M0.01%+1,046+2.3%Added
Renaissance Technologies LLC45,200$3.79M0.01%+45,200New
Jane Street Group, LLC44,867$3.76M0.01%+35,670+387.8%Added
Universal- Beteiligungs- und Servicegesellschaft mbH44,068$3.69M0.01%+7,573+20.8%Added
Fred Alger Management, LLC42,891$3.59M0.02%+2,497+6.2%Added
EAM Investors, LLC42,741$3.58M0.54%−6,807−13.7%Reduced
J. Goldman & Co LP42,584$3.57M0.11%+14,111+49.6%Added
683 Capital Management, LLC42,000$3.52M0.36%−8,000−16.0%Reduced
Alliancebernstein L.P.41,690$3.49M0.00%+3,959+10.5%Added
Exome Asset Management LLC41,641$3.49M2.88%−1,800−4.1%Reduced