Soleno Therapeutics Inc (SLNO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,347,856Shares held by institutions

$41,055,694Value of institutional holdings

109.48%Institutional ownership %

2.06%Shares Changed QoQ

233No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Soleno Therapeutics Inc (NASDAQ:SLNO) has 244 institutional investors that have filed 13F reports for the period ending December 2025.

Their combined ownership stood at 112.2% of outstanding shares in December 2025, down from 121.4% in September 2025.
They increased total shares held in Soleno Therapeutics by 11.42% from the prior quarter, while the number of investors in SLNO increased 49.69% year over year.
During the quarter, 163 of these 244 funds increased positions in SLNO, 64 reduced exposure, and 17 held steady.
Institutional investors collectively held 61.61Mn shares in Soleno Therapeutics as of December 2025, up by 6.32Mn shares quarter on quarter, and up 10.01Mn shares year over year.
As of December 31, 2025, the biggest holder of Soleno Therapeutics is FMR LLC at 8.08Mn shares, representing 14.71% of shares outstanding.
The largest buyers of Soleno Therapeutics for the quarter ending December 2025 were Janus Henderson Group Plc (1.12Mn), WELLINGTON MANAGEMENT GROUP LLP (1.01Mn), Deep Track Capital, LP (1.0Mn), Woodline Partners LP (840.95K), READYSTATE ASSET MANAGEMENT LP (668.64K).
The largest sellers of Soleno Therapeutics for the quarter ending December 2025 were Vivo Capital, LLC (1.38Mn), Artia Global Partners LP (810.65K), Jpmorgan Chase & Co (699.37K), Capital World Investors (678.99K), Invesco Ltd. (625.51K).
Business Quant data shows the 10 biggest positions in Soleno Therapeutics as of December 2025 are held by FMR LLC (8.08Mn), Janus Henderson Group Plc (7.18Mn), BlackRock, Inc. (3.87Mn), WELLINGTON MANAGEMENT GROUP LLP (3.32Mn), VANGUARD GROUP INC (3.06Mn), Avoro Capital Advisors LLC (2.9Mn), State Street Corp (2.65Mn), Nantahala Capital Management, LLC (1.31Mn), MILLENNIUM MANAGEMENT LLC (1.24Mn), Commodore Capital LP (1.2Mn).

244 Institutional Holders

1,347,856 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	379,387	10.86%	$0.00
FMR LLC	31 Dec, 2025	79,622	1.00%	$0.00
Avoro Capital Advisors LLC	31 Dec, 2025	3,222,223	125.00%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	1,122,015	18.53%	$0.00
Commodore Capital LP	31 Dec, 2025	-150,000	-11.11%	$0.00
Barclays Plc	31 Dec, 2025	-65,840	-29.46%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	1,010,704	43.71%	$0.00
BRAIDWELL LP	31 Dec, 2025	-94,130	-7.34%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-181	-89.16%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	253,212	9.02%	$0.00
Polar Capital Holdings Plc	31 Dec, 2025	-54,194	-4.55%	$0.00
State Street Corp	31 Dec, 2025	476,590	21.93%	$0.00
Woodline Partners LP	31 Dec, 2025	840,946	310.50%	$0.00
Nantahala Capital Management, LLC	31 Dec, 2025	450,239	52.13%	$0.00
Deep Track Capital, LP	31 Dec, 2025	1,000,000	0.00%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	256,495	26.18%	$0.00
Vivo Capital, LLC	31 Dec, 2025	-1,383,294	-60.72%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	78,386	7.22%	$0.00
READYSTATE ASSET MANAGEMENT LP	31 Dec, 2025	668,640	324.89%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	357,612	64.38%	$0.00

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