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
224
Shares (Excl. Options)
62,216,756
Price
$33.48
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- SLNO
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 62,216,756
- Total 13F value
- $2,080,448,333
- Portfolio coverage rank
- 0.01%
- Share change
- -3,046,220
- Value change
- -$135,503,176
- Number of holders
- 224
- Shares outstanding
- 51,293,400
- SEC-reported price per share
- $53.01
- Insider filing price
- $53.01
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SLNO - SOLENO THERAPEUTICS INC - COMMON STOCK is tracked under CUSIP 834203309.
- 224 institutions reported positions in Q1 2026.
- 11 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 247 to 224 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $3,006,117,784 to $2,080,448,333.
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 224 institutions filings for Q1 2026.
Security key
834203309
Latest holder period
Q1 2026
13F holders
224
13D/G owners
11
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 834203309:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
11
Security
SLNO
| 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, 224 institutional investors reported holding 62,216,756 shares of SOLENO THERAPEUTICS INC - COMMON STOCK (SLNO). This represents 121% of the company’s total 51,293,400 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
88%
| 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 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
15
Latest
Q1 2026
Rows shown
1-15 of 15
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 62,216,756 | $2,080,448,333 | -$135,503,176 | $33.48 | 224 |
| 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 |