$RAPP

$25.33 -$0.60 (2.31%) Close

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

Ownership

13F as of Q2 2026 · 48.0M shares outstanding

Who owns RAPP?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 70.7%

FMR LLC 15.0% · TRV GP V, LLC 13.1%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

157

+10 vs last qtr

Net shares bought

−1.3M

by institutions in Q2 2026

New / sold out

27 / 17

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Algert Global LLC NEW +223.8K
BlackRock, Inc. +193.8K

Biggest sellers in Q2 2026

TRV GP V, LLC −854.7K
Vestal Point Capital, LP −706.2K

Who is planning to sell?

Notices of proposed sale, last 12 months

$46.7M

24 notices from 9 people

Shares covered

1.2M

2.47% of the company

Arranged in advance

98%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Third Rock Ventures V, L.P. 10% stockholder $34.4M
Abraham N. Ceesay Officer 10b5-1 $5.25M

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, FY2023–FY2025

+2485.7%

+408.50% a year

Each share's claim on the business

−96.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $32.6M

over 3 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+ years0% 3–5 years0% 1–3 years85% Under 1 year15%

Quarterly turnover

5.4%

of institutional shares changed hands

Top 10 managers, median time held

2 years

Super Investors

Investment managers reporting RAPP on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	7.2M	14.95%	+4.0K (+0.1%)	2024	0.0%
Shares held by quarter Peak holding7.2M (Q2'26) Change over 8 quarters+1.7M Share of the company14.950% FMR LLC's full portfolio →
TG TRV GP V, LLC	6.3M	13.09%	−854.7K (−12.0%)	2024	52.5%
Shares held by quarter Peak holding7.1M (Q4'24) Change over 8 quarters+6.3M Share of the company13.090% TRV GP V, LLC's full portfolio →

FMR LLC

7.2M

% of company

14.95%

Change vs last qtr

+4.0K (+0.1%)

Held since

2024

TRV GP V, LLC

6.3M

% of company

13.09%

Change vs last qtr

−854.7K (−12.0%)

Held since

2024

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting RAPP on Form N-PORT; together they hold 31.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SW SMALLCAP World Fund Inc SMALLCAP World Fund Inc	$141M	3.4M	7.07%	0.15%	June 30, 2026
FG Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust	$110M	2.3M	4.70%	0.11%	August 31, 2026

SMALLCAP World Fund Inc

Position value

$141M

% of company

7.07%

% of the fund

0.15%

As of

June 30, 2026

Fidelity Growth Company Fund

Fidelity Mt. Vernon Street Trust

Position value

$110M

% of company

4.70%

% of the fund

0.11%

As of

August 31, 2026

23 more funds behind a free account

See every fund holding Rapport Therapeutics, 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
SV Sofinnova Venture Partners XI, L.P. ("SVP XI") 5%+ holder 13D · 4.0%	1.9M	3.88%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company3.880% Disclosed stake13D · 4.0% View the 13D/G filing →
PS Paul Steven M Insider	555.0K	1.16%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.160% Paul Steven M's insider activity →

Sofinnova Venture Partners XI, L.P. ("SVP XI")

5%+ holder13D · 4.0%

1.9M

% of company

3.88%

Change vs last qtr

—

Held since

—

Paul Steven M

Insider

555.0K

% of company

1.16%

Change vs last qtr

—

Held since

—

10 more holders behind a free account

See every insider and 5%+ holder of Rapport Therapeutics, Inc..

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