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SLNO · Soleno Therapeutics Inc

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$53.01 +0.00 (+0.00%) At close · May 18
Market Cap
$2.76B
Shares
52.12M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 227
Total Value: $2,283,699,207
Total Shares: 68,210,853
Showing 1–100 of 239 holdings by value · page 1 of 3

Institutional Ownership Trend

15 quarters

Superinvestors Holding SLNO

All superinvestors →
Joel Greenblatt $458,742

Holder Concentration

Across 227 13F filers · Δ vs Dec 31, 2025
Top Holder
10.8%
Jun 2023 → Mar 2026 · range 8.4% – 45.5%
−1.0 pts
Top 5
36.2%
Jun 2023 → Mar 2026 · range 31.0% – 93.6%
−1.5 pts
Top 10
51.8%
Jun 2023 → Mar 2026 · range 48.1% – 99.5%
−2.9 pts
HHI
386
Jun 2023 → Mar 2026 · range 326 – 2,933
Broadly held−45

Quarterly Activity

vs Dec 31, 2025
New
43
Increased
90
Decreased
73
Sold Out
68
Unchanged
21
Holder count: -25
Institutional value: -27.9%
Shares held: -0.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega STATE STREET CORP +2,711,978 5,361,604
Large Caption Management, LLC +1,154,743 1,589,343
Mega WELLINGTON MANAGEMENT GROUP LLP +1,103,982 4,426,781
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +711,419 1,567,977
Mid Nantahala Capital Management, LLC +678,122 2,494,124

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega PRICE T ROWE ASSOCIATES INC /MD/ −2,292,761 1,025,937
Mega FMR LLC −2,290,894 5,788,410
Mega Invesco Ltd. −830,205 44,814
Mega MILLENNIUM MANAGEMENT LLC −643,808 626,513
Mid Vivo Capital, LLC −600,000 294,909

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,153,218 $72,089,738
Mid Khrom Capital Management LLC 1,511,481 $50,604,383
Mid Vestal Point Capital, LP 730,000 $24,440,400
Mid Kynam Capital Management, LP 560,000 $18,748,800
Large RENAISSANCE TECHNOLOGIES LLC 447,300 $14,975,604

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 3,060,361 $141,694,712
Small GREAT POINT PARTNERS LLC 400,000 $18,520,000
Large Assenagon Asset Management S.A. 384,166 $17,786,885
Large Balyasny Asset Management L.P. 227,751 $10,544,871
Large Jefferies Financial Group Inc. 194,604 $9,010,165
Filter: New 43 Increased 90 Reduced 73 Sold out 68 Unchanged 21
Showing 100 of 239
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega JANUS HENDERSON GROUP PLC $237,685,500 10.41% 7,099,328
Mega FMR LLC $193,795,964 8.49% 5,788,410
Mega WELLINGTON MANAGEMENT GROUP LLP $148,208,625 6.49% 4,426,781
Mega BlackRock, Inc. $125,308,067 5.49% 3,742,774
Mega STATE STREET CORP $89,753,250 3.93% 2,680,802
Mega STATE STREET CORP $89,753,250 3.93% 2,680,802
Large Avoro Capital Advisors LLC $77,004,000 3.37% 2,300,000
Mega VANGUARD CAPITAL MANAGEMENT LLC $72,089,738 3.16% 2,153,218
Mid Nantahala Capital Management, LLC $58,393,271 2.56% 1,744,124
Large Polar Capital Holdings Plc $56,877,665 2.49% 1,698,855
Mid Khrom Capital Management LLC $50,604,383 2.22% 1,511,481
Mega GEODE CAPITAL MANAGEMENT, LLC $41,433,173 1.81% 1,237,550
Large Caption Management, LLC $39,144,816 1.71% 1,169,200
Large Woodline Partners LP $37,233,241 1.63% 1,112,104
Mid Deep Track Capital, LP $36,115,210 1.58% 1,078,710
Mega PRICE T ROWE ASSOCIATES INC /MD/ $34,348,370 1.50% 1,025,937
Mid BRAIDWELL LP $32,115,991 1.41% 959,259
Mid READYSTATE ASSET MANAGEMENT LP $31,878,484 1.40% 952,165
Mega FRANKLIN RESOURCES INC $27,961,758 1.22% 835,178
Mid Nantahala Capital Management, LLC $25,110,000 1.10% 750,000
Mid Vestal Point Capital, LP $24,440,400 1.07% 730,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $24,145,776 1.06% 721,200
Mid Commodore Capital LP $21,843,423 0.96% 652,432
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $21,722,727 0.95% 648,827
Mid Hood River Capital Management LLC $20,872,135 0.91% 623,421
Large Pictet Asset Management Holding SA $20,630,945 0.90% 616,217
Mega MILLENNIUM MANAGEMENT LLC $20,306,055 0.89% 606,513
Small Catalio Capital Management, LP $19,345,011 0.85% 577,808
Small KINGDON CAPITAL MANAGEMENT, L.L.C. $19,251,000 0.84% 575,000
Mid Kynam Capital Management, LP $18,748,800 0.82% 560,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $18,409,881 0.81% 549,877
Large Qube Research & Technologies Ltd $16,200,436 0.71% 483,884
Large RENAISSANCE TECHNOLOGIES LLC $14,975,604 0.66% 447,300
Mega BANK OF AMERICA CORP /DE/ Bank $14,727,917 0.64% 439,902
Mega BNP PARIBAS ARBITRAGE, SA $14,481,271 0.63% 432,535
Large Caption Management, LLC $14,066,387 0.62% 420,143
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $13,589,866 0.60% 405,910
Mega NORTHERN TRUST CORP Bank $13,175,148 0.58% 393,523
Mega CITADEL ADVISORS LLC $12,941,525 0.57% 386,545
Mega GOLDMAN SACHS GROUP INC $12,916,516 0.57% 385,798
Mid Ikarian Capital, LLC $11,521,238 0.50% 344,123
Mega VANGUARD FIDUCIARY TRUST CO Bank $11,475,537 0.50% 342,758
Mid Integral Health Asset Management, LLC $10,881,000 0.48% 325,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,940,212 0.44% 296,900
Mid Vivo Capital, LLC $9,873,553 0.43% 294,909
Large Aberdeen Group plc $9,624,026 0.42% 287,456
Large Candriam S.C.A. $9,428,637 0.41% 281,620
Mega JANE STREET GROUP, LLC $9,347,616 0.41% 279,200
Mega Bank of New York Mellon Corp Bank $9,302,445 0.41% 277,851
Mid EMERALD ADVISERS, LLC $9,178,140 0.40% 274,138
Mid Penn Capital Management Company, LLC $8,998,921 0.39% 268,785
Mid Rock Springs Capital Management LP $8,612,830 0.38% 257,253
Mid Logos Global Management LP $8,370,000 0.37% 250,000
Small PFM Health Sciences, LP $8,309,066 0.36% 248,180
Mega MORGAN STANLEY $8,110,928 0.36% 242,262
Mega UBS Group AG $7,537,920 0.33% 225,147
Large Trexquant Investment LP $7,430,149 0.33% 221,928
Large MARSHALL WACE, LLP $7,406,244 0.32% 221,214
Large Alyeska Investment Group, L.P. $7,281,900 0.32% 217,500
Small SPHERA FUNDS MANAGEMENT LTD. $7,241,087 0.32% 216,281
Mid RICE HALL JAMES & ASSOCIATES, LLC $6,901,801 0.30% 206,147
Large Hudson Bay Capital Management LP $6,806,182 0.30% 203,291
Mid EMERALD MUTUAL FUND ADVISERS TRUST Mutual Fund $6,720,339 0.29% 200,727
Small Ally Bridge Group (NY) LLC $6,696,000 0.29% 200,000
Mid National Philanthropic Trust $6,696,000 0.29% 200,000
Small Ally Bridge Group (NY) LLC $6,696,000 0.29% 200,000
Small Boxer Capital Management, LLC $6,696,000 0.29% 200,000
Large SEB Asset Management AB $6,276,663 0.27% 187,475
Large Squarepoint Ops LLC $6,205,082 0.27% 185,337
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $6,204,413 0.27% 185,317
Small Buckley Capital Advisors, LLC $6,084,990 0.27% 181,750
Mega HSBC HOLDINGS PLC $5,832,349 0.26% 174,204
Small HighVista Strategies LLC $5,531,799 0.24% 165,227
Mid NICOLET BANKSHARES INC $5,248,525 0.23% 156,766
Mega DEUTSCHE BANK AG\ Bank $4,967,561 0.22% 148,374
Mid Brevan Howard Capital Management LP $4,540,590 0.20% 135,621
Small NAN FUNG TRINITY (HK) LTD $4,220,154 0.18% 126,050
Mid BOOTHBAY FUND MANAGEMENT, LLC $4,168,896 0.18% 124,519
Small Seven Fleet Capital Management LP $3,875,979 0.17% 115,770
Mid Granahan Investment Management, LLC $3,844,341 0.17% 114,825
Mega Nuveen, LLC $3,506,627 0.15% 104,738
Small Tetragon Partners GP Ltd $3,419,145 0.15% 102,125
Large Centiva Capital, LP $3,389,314 0.15% 101,234
Mid ORBIMED ADVISORS LLC $3,348,000 0.15% 100,000
Large STATE OF WISCONSIN INVESTMENT BOARD $3,043,566 0.13% 90,907
Mega Swiss National Bank Bank $3,023,244 0.13% 90,300
Small Atle Fund Management AB $3,019,360 0.13% 90,184
Mid XTX Topco Ltd $2,868,566 0.13% 85,680
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $2,773,282 0.12% 82,834
Large Rafferty Asset Management, LLC $2,665,744 0.12% 79,622
Mega CITADEL ADVISORS LLC $2,447,388 0.11% 73,100
Mega JANE STREET GROUP, LLC $2,427,300 0.11% 72,500
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,410,089 0.11% 71,986
Small Artia Global Partners LP $2,293,045 0.10% 68,490
Large SEI INVESTMENTS CO $2,107,431 0.09% 62,946
Small Exome Asset Management LLC $2,064,812 0.09% 61,673
Small KVP Capital Advisors, LP $1,998,756 0.09% 59,700
Mega RHUMBLINE ADVISERS $1,984,861 0.09% 59,285
Large Russell Investments Group, Ltd. $1,965,006 0.09% 58,692
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $1,954,830 0.09% 58,388
Key facts CIK 1484565 CUSIP 834203309 Visit website Investor relations

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