Rapport Therapeutics RAPP Institutional Ownership

NASDAQ RAPP

$25.06 -4.31 (-14.67%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

160 Institutions

Increased 85 53.1%

Unchanged 28 17.5%

Reduced 47 29.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

51.25Mn

of 47.96Mn outstanding

▼-2.34% QoQ

Shares Outstanding

47.96Mn

Institutional Investors

160

filed 13F for Jun 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

-1.23Mn

distributed since last quarter

Value of Holdings

$1.51Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Rapport Therapeutics, Inc. (NASDAQ:RAPP) appeared in the 13F filings of 160 institutional investors for the quarter ended June 30, 2026.

Total holdings of RAPP shares fell 2.34% from Q1 2026, and the holder count rose 100.00% from Q2 2025.
Looking at the 160 holders of RAPP individually, 85 added to their positions, 47 reduced their stakes and 28 left their positions unchanged.
In total, institutional investors held 51.25Mn shares of Rapport Therapeutics at the end of Q2 2026, down 1.23Mn from the prior quarter and up 12.83Mn from a year earlier.
As of June 30, 2026, FMR LLC held the largest stake in Rapport Therapeutics with 7.17Mn shares.
Among holders that already owned Rapport Therapeutics, the biggest buyers in Q2 2026 were BlackRock, Inc. (+193.83K shares), Candriam S.C.A. (+161.72K shares), Dimensional Fund Advisors LP (+137.62K shares), Morgan Stanley (+131.66K shares) and Perceptive Advisors LLC (+99.42K shares).
Among holders that kept a stake in Rapport Therapeutics, the biggest sellers in Q2 2026 were TRV GP V, LLC (-854.71K shares), Vestal Point Capital, LP (-706.23K shares), Cormorant Asset Management, LP (-300K shares), UBS Asset Management Americas (-274.78K shares) and T. Rowe Price Investment Management, Inc. (-227.4K shares).
Business Quant data shows the 10 biggest positions in Rapport Therapeutics as of Q2 2026 were held by FMR LLC (7.17Mn shares), TRV GP V, LLC (6.28Mn shares), ARCH Venture Management, LLC (3.73Mn shares), Capital International Investors (2.92Mn shares), Goldman Sachs Group Inc (2.91Mn shares), BlackRock, Inc. (2.7Mn shares), Cormorant Asset Management, LP (2.66Mn shares), Sofinnova Investments, Inc. (1.9Mn shares), Johnson & Johnson (1.78Mn shares) and Polar Capital Holdings PLC (1.61Mn shares).

Form 13F Holdings

160 Institutional Holders

Report period 30 Jun, 2026

Total shares held 51.25Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	7,172,894	14.96%	▲3,955	+0.06%	$298.89Mn
2	TRV GP V, LLC	0001990717	6,280,525	13.10%	▼854,708	-11.98%	$261.71Mn
3	ARCH Venture Management, LLC	0001274403	3,728,738	7.78%	0	0.00%	$155.38Mn
4	Capital International Investors	0001562230	2,921,958	6.09%	▼176,015	-5.68%	$121.76Mn
5	Goldman Sachs Group Inc	0000886982	2,910,449	6.07%	▼31,802	-1.08%	$121.28Mn
6	BlackRock, Inc.	0002012383	2,699,786	5.63%	▲193,831	+7.73%	$112.50Mn
7	Cormorant Asset Management, LP	0001583977	2,657,521	5.54%	▼300,000	-10.14%	$110.74Mn
8	Sofinnova Investments, Inc.	0001631134	1,904,408	3.97%	0	0.00%	$79.36Mn
9	Johnson & Johnson	0000200406	1,784,517	3.72%	0	0.00%	$74.36Mn
10	Polar Capital Holdings Plc	0001837309	1,608,514	3.35%	▼33,947	-2.07%	$67.03Mn
11	BAKER BROS. ADVISORS LP	0001263508	1,547,090	3.23%	0	0.00%	$64.47Mn
12	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,346,512	2.81%	▲21,430	+1.62%	$56.11Mn
13	TRV GP VI, LLC	0001990716	969,218	2.02%	0	0.00%	$40.39Mn
14	State Street Corp	0000093751	818,712	1.71%	▲59,160	+7.79%	$34.12Mn
15	GEODE CAPITAL MANAGEMENT, LLC	0001214717	793,453	1.65%	▲71,831	+9.95%	$33.07Mn
16	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	787,446	1.64%	▼79,010	-9.12%	$32.81K
17	PERCEPTIVE ADVISORS LLC	0001224962	773,342	1.61%	▲99,419	+14.75%	$32.23Mn
18	Vestal Point Capital, LP	0001974915	730,000	1.52%	▼706,229	-49.17%	$30.42Mn
19	ALLIANCEBERNSTEIN L.P.	0001109448	693,384	1.45%	▼34,459	-4.73%	$21.70Mn
20	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	644,082	1.34%	▼274,784	-29.90%	$26.84Mn

Showing 1 to 20 of 160 holders