$ENTA

$12.00 +$0.36 (3.09%) Close

$ENTA Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 29.1M shares outstanding

Who owns ENTA?

By type of holder

Institutions 93.4% Insiders 5.0% Everyone else 1.5%

Concentration Top 10 holders own 68.9%

Jupiter Topco LLC 12.6% · BlackRock, Inc. 11.1%

Institutional ownership

93.4%

+1.5 pts vs last qtr

Institutional holders

120

-13 vs last qtr

Net shares bought

+440.6K

by institutions in Q2 2026

New / sold out

11 / 24

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Jupiter Topco LLC NEW +3.7M
ADAR1 Capital Management, LLC +1.3M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −3.8M
Deep Track Capital, LP −512.7K

Who is planning to sell?

Notices of proposed sale, last 12 months

$67.5K

1 notice from 1 person

Shares covered

4.7K

0.02% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Luly Jay R. Officer $67.5K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−99.9%

−53.04% a year

Each share's claim on the business

+90001.2%

grew without buying or selling a share

Spent on buybacks vs paid in stock

— vs $199M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years59% 3–5 years5% 1–3 years2% Under 1 year34%

Quarterly turnover

24.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ENTA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
JH Janus Henderson Group PLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding3.8M (Q1'26) Change over 8 quarters0 Janus Henderson Group PLC's full portfolio →
JT Jupiter Topco LLC	3.7M	12.55%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding3.7M (Q2'26) Change over 8 quarters+3.7M Share of the company12.550% Jupiter Topco LLC's full portfolio →

Janus Henderson Group PLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Jupiter Topco LLC

3.7M

% of company

12.55%

Change vs last qtr

NEW

Held since

Q2 '26

28 more super investors behind a free account

See every manager holding Enanta Pharmaceuticals Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ENTA on Form N-PORT; together they hold 22.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$12.8M	877.1K	3.01%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$10.7M	731.8K	2.51%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$12.8M

% of company

3.01%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$10.7M

% of company

2.51%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Enanta Pharmaceuticals Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JR Jay R. Luly, Ph.D. 5%+ holder 13D · 7.7%	1.7M	5.85%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company5.850% Disclosed stake13D · 7.7% View the 13D/G filing →
OY Or Yat Sun Insider	374.9K	1.29%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.290% Or Yat Sun's insider activity →

Jay R. Luly, Ph.D.

5%+ holder13D · 7.7%

1.7M

% of company

5.85%

Change vs last qtr

—

Held since

—

Or Yat Sun

Insider

374.9K

% of company

1.29%

Change vs last qtr

—

Held since

—

7 more holders behind a free account

See every insider and 5%+ holder of Enanta Pharmaceuticals Inc.

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