$BMEA

$0.62 -$0.02 (2.83%) Live

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

Ownership

13F as of Q2 2026 · 72.5M shares outstanding

Who owns BMEA?

By type of holder

Institutions 34.0% Insiders 7.7% Everyone else 58.3%

Concentration Top 10 holders own 31.0%

FMR LLC 12.2% · Vanguard Capital Management LLC 3.9%

Institutional ownership

34.0%

+0.4 pts vs last qtr

Institutional holders

-5 vs last qtr

Net shares bought

+286.2K

by institutions in Q2 2026

New / sold out

10 / 15

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Marshall Wace, LLP +851.3K
Vanguard Capital Management LLC +232.6K

Biggest sellers in Q2 2026

Susquehanna International Group, LLP SOLD OUT −629.9K
Citadel Advisors LLC −611.9K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Biomea Fusion, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2020–FY2025

+395.9%

+37.74% a year

Each share's claim on the business

−79.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $59.6M

over 6 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+ years66% 3–5 years6% 1–3 years12% Under 1 year16%

Quarterly turnover

9.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting BMEA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	8.8M	12.16%	+1.6K (+0.0%)	≤2021	0.0%
Shares held by quarter Peak holding8.8M (Q2'26) Change over 8 quarters+3.4M Share of the company12.160% FMR LLC's full portfolio →
VC Vanguard Capital Management LLC	2.8M	3.90%	+232.6K (+9.0%)	≤2021	0.0%
Shares held by quarter Peak holding2.8M (Q2'26) Change over 8 quarters+2.8M Share of the company3.900% Vanguard Capital Management LLC's full portfolio →

FMR LLC

8.8M

% of company

12.16%

Change vs last qtr

+1.6K (+0.0%)

Held since

≤2021

Vanguard Capital Management LLC

2.8M

% of company

3.90%

Change vs last qtr

+232.6K (+9.0%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting BMEA on Form N-PORT; together they hold 12.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FG Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust	$4.55M	2.7M	3.74%	0.00%	August 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$3.12M	2.1M	2.93%	0.00%	June 30, 2026

Fidelity Growth Company Fund

Fidelity Mt. Vernon Street Trust

Position value

$4.55M

% of company

3.74%

% of the fund

0.00%

As of

August 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$3.12M

% of company

2.93%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Biomea Fusion, 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
ER Erdtmann Rainer M Insider	1.8M	2.55%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.550% Erdtmann Rainer M's insider activity →
CB Chen Bihua 5%+ holder 13D · 1.5%	1.1M	1.46%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company1.460% Disclosed stake13D · 1.5% View the 13D/G filing →

Erdtmann Rainer M

Insider

1.8M

% of company

2.55%

Change vs last qtr

—

Held since

—

Chen Bihua

5%+ holder13D · 1.5%

1.1M

% of company

1.46%

Change vs last qtr

—

Held since

—

6 more holders behind a free account

See every insider and 5%+ holder of Biomea Fusion, Inc..

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