277 institutional investment managers reported BEAM positions in their Form 13F filings for Q2 2026, holding 109,391,493 shares worth $3.8B in total. FMR LLC reported the largest position.

Are funds buying or selling BEAM?

In Q2 2026, 56 managers opened new BEAM positions, 92 added, 75 trimmed and 31 sold out. Managers that filed in both quarters added a net 1,106,040 shares.

How current is this BEAM institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · BEAM

Who owns BEAM?

Institutional ownership of Beam Therapeutics Inc. from Form 13F, Q2 2026

277 institutional managers reported holding Beam Therapeutics Inc. (BEAM) in Form 13F filings for Q2 2026, with 109,391,493 shares worth $3.8B. The largest reported holder was FMR LLC. Managers that filed both quarters added a net 1,106,040 shares (+1.0%). 56 opened new positions and 31 sold out.

Funds holding: 277
Value held: $3.8B
New / sold out: 56 / 31
Net shares, same filers: +1.0%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of BEAM

Fund	Value	Share of 13F holdings	Shares	Move
FMR LLC	$433M	11.5%	12,609,002	Added
Farallon Capital Management, L.l.c.	$351M	9.4%	10,236,396	Added
ARK Investment Management LLC	$351M	9.4%	10,234,862	Trimmed
BlackRock, Inc.	$309M	8.2%	8,997,542	Added
State Street Corp	$200M	5.3%	5,827,122	Added
Vanguard Portfolio Management LLC	$169M	4.5%	4,921,259	Added
Vanguard Capital Management LLC	$158M	4.2%	4,599,437	Added
ARCH Venture Management, LLC	$156M	4.2%	4,540,132	Unchanged
Sumitomo Mitsui Trust Group, Inc.	$119M	3.2%	3,455,043	Trimmed
Amova Asset Management Americas, Inc.	$119M	3.2%	3,455,043	Trimmed
Price T Rowe Associates Inc	$117M	3.1%	3,415,239	Added
Kynam Capital Management, LP	$97.5M	2.6%	2,840,792	Trimmed
Geode Capital Management, LLC	$89.1M	2.4%	2,596,963	Added
Dimensional Fund Advisors LP	$76.4M	2.0%	2,225,844	Added
Morgan Stanley	$67.0M	1.8%	1,950,969	Added
Contrarius Group Holdings Ltd	$55.4M	1.5%	1,614,538	Added
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$53.3M	1.4%	1,551,781	Trimmed
Two Sigma Investments, LP	$47.6M	1.3%	1,388,227	Added
Casdin Capital, LLC	$46.3M	1.2%	1,350,000	Unchanged
Goldman Sachs Group Inc	$45.0M	1.2%	1,310,059	Added
Redmile Group, LLC	$40.0M	1.1%	1,164,259	Trimmed
BNP Paribas Financial Markets	$36.6M	1.0%	1,067,883	Added
Deep Track Capital, LP	$34.3M	0.9%	1,000,000	Added
Northern Trust Corp	$32.0M	0.9%	933,481	Added
Charles Schwab Investment Management Inc	$30.4M	0.8%	885,902	Added

Share of 13F holdings is each fund's shares as a share of the 109,391,493 BEAM shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Morgan Stanley Added+$44.7M
Contrarius Group Holdings Ltd Added+$37.1M
Price T Rowe Associates Inc Added+$24.1M
BlackRock, Inc. Added+$17.5M
Jupiter Asset Management LTD Added+$14.5M
BNP Paribas Financial Markets Added+$12.6M
Vanguard Portfolio Management LLC Added+$12.0M
Marshall Wace, LLP Added+$11.7M
Foresite Capital Management VI LLC New+$11.3M
Goldman Sachs Group Inc Added+$10.4M

Biggest sellers in Q2 2026

ARK Investment Management LLC Trimmed-$65.2M
ADAR1 Capital Management, LLC Sold out-$34.5M
Qube Research & Technologies Ltd Trimmed-$30.6M
Kynam Capital Management, LP Trimmed-$28.9M
Sumitomo Mitsui Trust Group, Inc. Trimmed-$12.7M
Amova Asset Management Americas, Inc. Trimmed-$12.7M
Citadel Advisors LLC Sold out-$12.6M
UBS Group AG Trimmed-$8.6M
Peregrine Investment Management Inc Trimmed-$6.5M
HRT Financial LP Sold out-$5.2M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $331M and sold $266M; 92 added and 75 trimmed.

Schedule 13D and 13G filings on BEAM

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2026-02-09STATE STREET CORP SCHEDULE 13G filed by Beam Therapeutics Inc.Schedule 13G

Questions about BEAM ownership

Who owns BEAM stock?: 277 institutional investment managers reported BEAM positions in their Form 13F filings for Q2 2026, holding 109,391,493 shares worth $3.8B in total. FMR LLC reported the largest position.
Are funds buying or selling BEAM?: In Q2 2026, 56 managers opened new BEAM positions, 92 added, 75 trimmed and 31 sold out. Managers that filed in both quarters added a net 1,106,040 shares.
How current is this BEAM institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to BEAM by CUSIP. Options are left out. BEAM news and filings · BEAM insider trades · Top funds