Latest Period
Q1 2026
Security Snapshot
SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO) Institutional Ownership
CUSIP: 834203309
13F Institutional Holders and Ownership History from Q3 2022 to Q1 2026
Institutions Reporting
222
Shares (Excl. Options)
62,208,352
Price
$33.48
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- Type / Class
- Equity / COMMON STOCK
- Symbol
- SLNO on Nasdaq
- Shares outstanding
- 51,293,400
- Price per share
- $52.78
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 62,208,352
- Total reported value
- $2,080,166,968
- % of total 13F portfolios
- 0.01%
- Share change
- -3,046,660
- Value change
- -$135,517,907
- Number of holders
- 222
- Price from insider filings
- $52.78
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- SLNO - SOLENO THERAPEUTICS INC - COMMON STOCK is tracked under CUSIP 834203309.
- 222 institutions reported positions in Q1 2026.
- 11 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 247 to 222 between Q4 2025 and Q1 2026.
- Reported value moved from $3,006,117,784 to $2,080,166,968.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 222 institutions filings for Q1 2026.
Security key
834203309
Latest holder period
Q1 2026
13F holders
222
13D/G owners
11
CIK / CUSIP context first
Open Q1 2026 holders
SLNO full holder history
SOLENO THERAPEUTICS INC SEC filings
SOLENO THERAPEUTICS INC company facts
SOLENO THERAPEUTICS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 834203309:
Significant Owners of SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 8.6% | +40% | $232,450,270 | +$57,970,095 | 4,426,781 | +33% | Wellington Management Group LLP | 31 Mar 2026 |
| BlackRock, Inc. | 6.9% | +23% | $118,629,904 | +$26,016,415 | 3,543,296 | +28% | BlackRock, Inc. | 31 Mar 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 6.4% | $204,422,873 | 2,775,976 | Adage Capital Management, L.P. | 31 Dec 2024 | |||
| STATE STREET CORP | 5.2% | $140,768,913 | 2,680,802 | STATE STREET CORPORATION | 31 Mar 2026 | |||
| Avoro Capital Advisors LLC | 4.4% | -19% | $120,773,000 | -$31,506,000 | 2,300,000 | -21% | Avoro Capital Advisors LLC | 31 Mar 2026 |
| Vivo Opportunity Fund Holdings, L.P. | 4.2% | -46% | $152,178,416 | -$115,402,258 | 2,251,160 | -43% | Vivo Opportunity Fund Holdings, L.P. | 30 Sep 2025 |
| Adage Capital Management, L.P. | 2.6% | -64% | $94,746,538 | -$146,988,629 | 1,401,576 | -61% | Adage Capital Management, L.P. | 30 Sep 2025 |
| JANUS HENDERSON GROUP PLC | 2.3% | -85% | $63,290,461 | -$313,644,908 | 1,205,303 | -83% | JANUS HENDERSON GROUP PLC | 30 Apr 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2% | -70% | $53,868,329 | -$127,895,561 | 1,025,868 | -70% | T. Rowe Price Associates, Inc. | 31 Mar 2026 |
| Nantahala Capital Management, LLC | 2% | -60% | $86,766,978 | -$140,918,982 | 1,001,350 | -62% | Nantahala Capital Management, LLC | 30 Jun 2025 |
| FMR LLC | 0.4% | -98% | $10,135,145 | -$292,764,044 | 193,014 | -97% | FMR LLC | 30 Apr 2026 |
As of 31 Mar 2026, 222 institutional investors reported holding 62,208,352 shares of SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO). This represents 121% of the company’s total 51,293,400 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO) together control 88% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 14% | 7,099,328 | -1.1% | 0.11% | $237,631,668 |
| FMR LLC | 11% | 5,788,410 | -28% | 0.01% | $193,795,955 |
| WELLINGTON MANAGEMENT GROUP LLP | 8.6% | 4,426,781 | +33% | 0.03% | $148,208,627 |
| BlackRock, Inc. | 7.3% | 3,742,774 | -3.3% | 0% | $125,308,074 |
| STATE STREET CORP | 5.2% | 2,680,802 | +1.2% | 0% | $89,753,251 |
| Avoro Capital Advisors LLC | 4.5% | 2,300,000 | -21% | 0.76% | $77,004,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 2,153,218 | 0% | 0% | $72,089,739 |
| Nantahala Capital Management, LLC | 3.4% | 1,744,124 | +33% | 3.6% | $58,393,272 |
| Polar Capital Holdings Plc | 3.3% | 1,698,855 | +49% | 0.25% | $56,877,665 |
| Khrom Capital Management LLC | 2.9% | 1,511,481 | 4.6% | $50,604,384 | |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 1,237,550 | +6.4% | 0% | $41,440,562 |
| Woodline Partners LP | 2.2% | 1,112,104 | +0.03% | 0.14% | $37,233,242 |
| Deep Track Capital, LP | 2.1% | 1,078,710 | +7.9% | 0.75% | $36,115,211 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2% | 1,025,937 | -69% | 0% | $34,350,000 |
| BRAIDWELL LP | 1.9% | 959,259 | -19% | 1.1% | $32,115,991 |
| READYSTATE ASSET MANAGEMENT LP | 1.9% | 952,165 | +8.9% | 1.9% | $31,878,484 |
| FRANKLIN RESOURCES INC | 1.6% | 835,178 | +1.4% | 0.01% | $27,961,773 |
| Vestal Point Capital, LP | 1.4% | 730,000 | 0.68% | $24,440,400 | |
| Commodore Capital LP | 1.3% | 652,432 | -46% | 1.3% | $21,843,423 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 1.3% | 648,827 | +44% | 0.02% | $19,750,294 |
| Hood River Capital Management LLC | 1.2% | 623,421 | +0.88% | 0.21% | $20,872,135 |
| Pictet Asset Management Holding SA | 1.2% | 616,217 | -1.3% | 0.02% | $20,630,945 |
| MILLENNIUM MANAGEMENT LLC | 1.2% | 606,513 | -51% | 0.02% | $20,306,055 |
| Catalio Capital Management, LP | 1.1% | 577,808 | +60% | 4% | $19,345,012 |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 1.1% | 575,000 | +44% | 3.2% | $19,251,000 |
Institutional Holders of SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 62,208,352 | $2,080,166,968 | -$135,517,907 | $33.48 | 222 |
| 2025 Q4 | 64,916,991 | $3,006,117,784 | -$193,286,405 | $46.30 | 247 |
| 2025 Q3 | 65,165,847 | $4,403,391,909 | +$507,196,048 | $67.60 | 237 |
| 2025 Q2 | 56,749,470 | $4,754,316,405 | +$213,454,357 | $83.78 | 231 |
| 2025 Q1 | 54,568,286 | $3,901,554,193 | +$304,734,926 | $71.45 | 215 |
| 2024 Q4 | 51,039,620 | $2,293,782,533 | +$169,954,638 | $44.95 | 164 |
| 2024 Q3 | 47,119,847 | $2,378,750,710 | +$200,292,187 | $50.49 | 140 |
| 2024 Q2 | 43,315,547 | $1,767,618,917 | +$339,170,617 | $40.80 | 112 |
| 2024 Q1 | 34,986,278 | $1,496,099,214 | +$153,335,358 | $42.80 | 97 |
| 2023 Q4 | 31,409,972 | $1,264,282,488 | +$428,860,586 | $40.25 | 76 |
| 2023 Q3 | 20,301,195 | $598,794,549 | +$451,363,927 | $29.51 | 54 |
| 2023 Q2 | 4,852,710 | $20,757,863 | +$7,837,293 | $4.29 | 22 |
| 2023 Q1 | 3,071,637 | $6,538,076 | +$3,161,387 | $2.14 | 20 |
| 2022 Q4 | 2,785,956 | $5,517,109 | +$81,616 | $1.98 | 22 |
| 2022 Q3 | 2,781,988 | $4,645,586 | +$4,630,000 | $1.67 | 14 |