Assertio Holdings, Inc. (ASRT) Institutional Ownership

Institutions by Trading Activity

0Shares Outstanding

352,469Shares held by institutions

$6,414,935Value of institutional holdings

25.70%Institutional ownership %

-1.10%Shares Changed QoQ

71No. of institutional investors

Assertio Holdings, Inc. (NASDAQ:ASRT) has 53 institutional investors that have filed 13F reports for the period ending December 2025.

These investors held 28.2% of outstanding shares in December 2025, up from 23.7% in September 2025.
Their total shares held in ASRT increased 0.0% from the prior quarter, while the number of investors in Assertio Holdings decreased 35.37% year over year.
Of these 53 funds, 53 grew their exposure to Assertio Holdings, 0 cut back, and 0 maintained positions.
Altogether, these fund groups held 2.0Mn shares in ASRT by December 2025, up by 2.0Mn shares quarter on quarter, and up 104.08K shares year over year.
Nantahala Capital Management, LLC leads ownership in ASRT with 587.34K shares as of December 31, 2025, equal to 8.27% of outstanding shares.
Top purchasers of ASRT stock for the quarter ending December 2025 included Nantahala Capital Management, LLC (587.34K), VANGUARD GROUP INC (297.25K), Opaleye Management Inc. (285.0K), RENAISSANCE TECHNOLOGIES LLC (190.7K), EDGEWOOD MANAGEMENT LLC (107.52K).
According to Business Quant data, leading holders of ASRT for December 2025 are Nantahala Capital Management, LLC (587.34K), VANGUARD GROUP INC (297.25K), Opaleye Management Inc. (285.0K), RENAISSANCE TECHNOLOGIES LLC (190.7K), EDGEWOOD MANAGEMENT LLC (107.52K), BlackRock, Inc. (90.03K), GEODE CAPITAL MANAGEMENT, LLC (69.06K), CM Management, LLC (50.0K), CITADEL ADVISORS LLC (44.71K), MILLENNIUM MANAGEMENT LLC (34.48K).

352,469 Total Shares Held

Rows:

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	90,034	0.00%	$0.00
Nantahala Capital Management, LLC	31 Dec, 2025	587,335	0.00%	$0.00
CM Management, LLC	31 Dec, 2025	50,000	0.00%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	297,247	0.00%	$0.00
Rothschild Wealth LLC	31 Dec, 2025	19,000	0.00%	$0.00
Opaleye Management Inc.	31 Dec, 2025	285,000	0.00%	$0.00
UBS Group AG	31 Dec, 2025	945	0.00%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	190,697	0.00%	$0.00
MINDSET WEALTH MANAGEMENT, LLC	31 Dec, 2025	139	0.00%	$0.00
EDGEWOOD MANAGEMENT LLC	31 Dec, 2025	107,518	0.00%	$0.00
Activest Wealth Management	31 Dec, 2025	50	0.00%	$0.00
Strategic Investment Solutions, Inc. /IL	31 Dec, 2025	50	0.00%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	69,065	0.00%	$0.00
Darwin Wealth Management, LLC	31 Dec, 2025	46	0.00%	$0.00
CITADEL ADVISORS LLC	31 Dec, 2025	44,706	0.00%	$0.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	40	0.00%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	34,478	0.00%	$0.00
SBI Securities Co., Ltd.	31 Dec, 2025	39	0.00%	$0.00
Empowered Funds, LLC	31 Dec, 2025	29,910	0.00%	$0.00
Key FInancial Inc	31 Dec, 2025	29	0.00%	$0.00

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