Rapport Therapeutics, Inc. (RAPP) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

43,230,088Shares Outstanding

19,105,771Shares held by institutions

$555,213,705Value of institutional holdings

114.23%Institutional ownership %

4.58%Shares Changed QoQ

139No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Rapport Therapeutics, Inc. (NASDAQ:RAPP) includes 139 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 114.2% of the company's total shares outstanding in December 2025, down from 114.8% in September 2025.
Institutional share ownership changed by 4.58% QoQ, while the number of institutional owners saw an increase of 98.57% YoY.
During the quarter, 89 institutions bought more Rapport Therapeutics shares, 30 sold shares, and 20 of the 139 total investors held their position steady.
Collectively, institutional investors increased their stake in Rapport Therapeutics to 49.38Mn shares as of December 2025, a change that is up by 2.16Mn shares quarter on quarter and up 12.98Mn shares year over year.
As of December 31, 2025, TRV GP V, LLC held Rapport Therapeutics's largest shareholding position with over 7.14Mn shares, representing 16.51% of total outstanding shares.
Among the most significant buyers of Rapport Therapeutics during December 2025 were BlackRock, Inc. (863.78K), GOLDMAN SACHS GROUP INC (579.90K), STATE STREET CORP (343.19K), PERCEPTIVE ADVISORS LLC (270.00K), PRUDENTIAL FINANCIAL INC (254.97K).
Leading sellers of Rapport Therapeutics stock in December 2025 included T. Rowe Price Investment Management, Inc. (472.74K), Siren, L.L.C. (345.00K), UBS Group AG (331.71K), ADAGE CAPITAL PARTNERS GP, L.L.C. (300.00K), JANE STREET GROUP, LLC (257.42K).
The top 10 institutional holders of Rapport Therapeutics for the quarter ending December 2025 included TRV GP V, LLC (7.14Mn), FMR LLC (7.11Mn), ARCH Venture Management, LLC (3.73Mn), Capital International Investors (3.40Mn), Cormorant Asset Management, LP (3.03Mn), GOLDMAN SACHS GROUP INC (3.00Mn), BlackRock, Inc. (2.43Mn), Sofinnova Investments, Inc. (1.90Mn), VANGUARD GROUP INC (1.82Mn), JOHNSON & JOHNSON (1.78Mn).

139 Institutional Holders

19,105,771 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
TRV GP V, LLC	31 Dec, 2025	7,135,233	0	0.00%	$216,482,969.00
FMR LLC	31 Dec, 2025	7,111,865	194,870	2.82%	$215,773,984.00
ARCH Venture Management, LLC	31 Dec, 2025	3,728,738	0	0.00%	$113,129,911.00
Capital International Investors	31 Dec, 2025	3,402,529	0	0.00%	$103,232,730.00
Cormorant Asset Management, LP	31 Dec, 2025	3,027,521	-165,000	-5.17%	$91,854,987.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	3,001,879	579,903	23.94%	$91,077,009.00
BlackRock, Inc.	31 Dec, 2025	2,431,862	863,781	55.09%	$73,782,693.00
Sofinnova Investments, Inc.	31 Dec, 2025	1,904,408	-43,171	-2.22%	$57,779,739.00
VANGUARD GROUP INC	31 Dec, 2025	1,817,757	191,219	11.76%	$55,150,747.00
JOHNSON & JOHNSON	31 Dec, 2025	1,784,517	0	0.00%	$54,142,246.00
BAKER BROS. ADVISORS LP	31 Dec, 2025	1,547,090	0	0.00%	$46,938,711.00
Vestal Point Capital, LP	31 Dec, 2025	1,110,000	160,000	16.84%	$33,677,400.00
Polar Capital Holdings Plc	31 Dec, 2025	1,004,728	65,776	7.01%	$30,483,448.00
TRV GP VI, LLC	31 Dec, 2025	969,218	0	0.00%	$29,406,074.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	952,371	60,113	6.74%	$28,894,936.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	788,411	-67,209	-7.86%	$23,920,390.00
STATE STREET CORP	31 Dec, 2025	714,821	343,195	92.35%	$21,687,669.00
Siren, L.L.C.	31 Dec, 2025	708,469	-345,000	-32.75%	$21,494,949.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	694,734	161,331	30.25%	$21,081,433.00
PERCEPTIVE ADVISORS LLC	31 Dec, 2025	673,923	270,000	66.84%	$20,446,824.00

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