Septerna Ownership | Who Owns Septerna?

Septerna Ownership Summary

Septerna is owned by 5.91% institutional investors, 6.74% insiders, and 87.35% retail investors. Ra capital management is the largest institutional shareholder, holding 21.60% of SEPN shares.

SEPN Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Septerna	5.91%	6.74%	87.35%
Sector	Healthcare Stocks	278.70%	10.61%	-189.31%
Industry	Biotech Stocks	63.84%	10.66%	25.50%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Ra capital management	7.00M	21.60%	$40.51M
Bvf inc/il	4.40M	13.58%	$25.45M
Samsara biocapital	3.15M	9.72%	$18.23M
Deep track capital, lp	1.91M	5.91%	$11.08M
Checkpoint capital	824.88K	2.55%	$4.78M
Sio capital management	788.67K	2.44%	$4.57M
Soleus capital management	751.35K	2.32%	$4.35M
Adar1 capital management	720.85K	2.23%	$4.17M
Casdin capital	553.27K	1.71%	$3.20M
Millennium management	436.56K	1.35%	$2.53M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Samsara biocapital	3.15M	3.25%	$18.23M
Checkpoint capital	824.88K	2.62%	$4.78M
Sio capital management	788.67K	1.36%	$4.57M
Bvf inc/il	4.40M	1.04%	$25.45M
Adar1 capital management	720.85K	0.77%	$4.17M
Ra capital management	7.00M	0.68%	$40.51M
Deep track capital, lp	1.91M	0.36%	$11.08M
Soleus capital management	751.35K	0.31%	$4.35M
Casdin capital	553.27K	0.26%	$3.20M
Millennium management	436.56K	0.00%	$2.53M

Top Buyers

Holder	Shares	% Assets	Change
Bvf inc/il	4.40M	1.04%	1.94M
Checkpoint capital	824.88K	2.62%	824.88K
Adar1 capital management	720.85K	0.77%	720.85K
Sio capital management	788.67K	1.36%	516.98K
Millennium management	436.56K	0.00%	436.56K

Top Sellers

Holder	Shares	% Assets	Change
Deep track capital, lp	1.91M	0.36%	-
Casdin capital	553.27K	0.26%	-
Ra capital management	7.00M	0.68%	-
Soleus capital management	751.35K	0.31%	75.94K
Samsara biocapital	3.15M	3.25%	380.61K

New Positions

Holder	Shares	% Assets	Change	Value
Checkpoint capital	824.88K	2.62%	824.88K	$4.78M
Adar1 capital management	720.85K	0.77%	720.85K	$4.17M
Millennium management	436.56K	0.00%	436.56K	$2.53M

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	1	-	1,912,929	-	5	-	1	-	-	-

SEPN Ownership FAQ

Who Owns Septerna?

Septerna shareholders are primarily institutional investors at 5.91%, followed by 6.74% insiders and 87.35% retail investors. The average institutional ownership in Septerna's industry, Biotech Stocks , is 63.84%, which Septerna falls below.

Who owns the most shares of Septerna?

Septerna’s largest shareholders are Ra capital management (7M shares, 21.60%), Bvf inc/il (4.4M shares, 13.58%), and Samsara biocapital (3.15M shares, 9.72%). Together, they hold 44.90% of Septerna’s total shares outstanding.

Does Blackrock own Septerna?

BlackRock is not among the top 10 institutional shareholders of Septerna.

Who is Septerna’s biggest shareholder by percentage of total assets invested?

Samsara biocapital is Septerna’s biggest shareholder by percentage of total assets invested, with 3.25% of its assets in 3.15M Septerna shares, valued at 18.23M$.

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