Solid Biosciences SLDB Institutional Ownership

NASDAQ SLDB

$7.23 +0.07 (+0.98%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

158 Institutions

Increased 102 64.6%

Unchanged 19 12.0%

Reduced 37 23.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

79.89%

▼-7.83 pp QoQ

Shares Held by Institutions

114.79Mn

of 143.69Mn outstanding

▲+27.67% QoQ

Shares Outstanding

143.69Mn

28.90Mn held outside 13F filers

Institutional Investors

158

filed 13F for Jun 2026

▲+11 vs prior quarter

Net Shares Added (QoQ)

+24.88Mn

accumulated since last quarter

Value of Holdings

$829.96Mn

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

Quarter ending 30 Jun, 2026

Solid Biosciences Inc. (NASDAQ:SLDB) is held by 158 institutional investors per 13F filings through June 2026.

These investors collectively held 79.9% of Solid Biosciences's outstanding shares in June 2026, down from 87.7% in March 2026.
They increased total shares held in SLDB by 27.67% quarter over quarter, and investors in Solid Biosciences increased 42.34% from a year ago.
Among the 158 funds, 102 bought more Solid Biosciences shares, 37 sold down, and 19 held their ground.
Altogether, these fund groups held 114.79Mn shares in SLDB by June 2026, up by 24.88Mn shares quarter on quarter, and up 35.71Mn shares year over year.
RA CAPITAL MANAGEMENT, L.P. is the top holder of Solid Biosciences as of June 30, 2026, with 12.04Mn shares representing 8.38% of outstanding stock.
Leading buyers of Solid Biosciences shares for the quarter ending June 2026 were Jupiter Topco LLC (4.04Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.01Mn), RTW INVESTMENTS, LP (3.89Mn), FMR LLC (3.27Mn), State Street Corp (3.05Mn).
Leading sellers of Solid Biosciences shares for the quarter ending June 2026 were Vestal Point Capital, LP (2.84Mn), Point72 Asset Management, L.P. (1.6Mn), Monashee Investment Management LLC (920.3K), Ally Bridge Group (NY) LLC (511.02K), ADAGE CAPITAL PARTNERS GP, L.L.C. (250.0K).
Per Business Quant, the top 10 investors in SLDB for the quarter ending June 2026 include RA CAPITAL MANAGEMENT, L.P. (12.04Mn), PERCEPTIVE ADVISORS LLC (11.91Mn), Bain Capital Life Sciences Investors, LLC (9.81Mn), Siren, L.L.C. (7.69Mn), BlackRock, Inc. (6.93Mn), FMR LLC (6.88Mn), ARMISTICE CAPITAL, LLC (4.28Mn), State Street Corp (4.18Mn), Jupiter Topco LLC (4.04Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.01Mn).

Form 13F Holdings

158 Institutional Holders

Report period 30 Jun, 2026

Total shares held 114.79Mn

Of outstanding 79.89%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RA CAPITAL MANAGEMENT, L.P.	0001346824	12,036,126	8.38%	▲2,696,148	+28.87%	$120.24Mn
2	PERCEPTIVE ADVISORS LLC	0001224962	11,906,646	8.29%	0	0.00%	$118.95Mn
3	Bain Capital Life Sciences Investors, LLC	0001703031	9,808,819	6.83%	0	0.00%	$97.99Mn
4	Siren, L.L.C.	0002005245	7,690,405	5.35%	0	0.00%	$76.83Mn
5	BlackRock, Inc.	0002012383	6,934,248	4.83%	▲1,975,894	+39.85%	$69.27Mn
6	FMR LLC	0000315066	6,875,957	4.79%	▲3,269,553	+90.66%	$68.69Mn
7	ARMISTICE CAPITAL, LLC	0001601086	4,278,000	2.98%	▲1,078,000	+33.69%	$42.74Mn
8	State Street Corp	0000093751	4,175,365	2.91%	▲3,049,878	+270.98%	$41.71Mn
9	Jupiter Topco LLC	0002146052	4,043,605	2.81%	▲4,043,605	0.00%	$40.38Mn
10	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,009,922	2.79%	▲4,009,922	0.00%	$40.06Mn
11	RTW INVESTMENTS, LP	0001493215	3,892,926	2.71%	▲3,892,926	0.00%	$38.89Mn
12	Deep Track Capital, LP	0001856083	3,565,062	2.48%	0	0.00%	$35.61Mn
13	Franklin Templeton Inc	0000038777	3,440,708	2.39%	▲1,247,771	+56.90%	$34.37Mn
14	CITADEL ADVISORS LLC	0001423053	2,815,122	1.96%	▲218,322	+8.41%	$28.12Mn
15	Alyeska Investment Group, L.P.	0001453072	2,280,484	1.59%	▲359	+0.02%	$22.78Mn
16	Ameriprise Financial Inc	0000820027	2,225,783	1.55%	▼213,066	-8.74%	$22.24Mn
17	Vestal Point Capital, LP	0001974915	2,160,000	1.50%	▼2,840,000	-56.80%	$21.58Mn
18	Redmile Group, LLC	0001425738	1,948,695	1.36%	▼63,200	-3.14%	$19.47Mn
19	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,940,824	1.35%	▲644,840	+49.76%	$19.39Mn
20	Goldman Sachs Group Inc	0000886982	1,602,917	1.12%	▲667,382	+71.34%	$16.01Mn

Showing 1 to 20 of 158 holders