Metagenomi Therapeutics MGX Institutional Ownership

NASDAQ MGX

$1.15 -0.01 (-0.86%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

43 Institutions

Increased 16 37.2%

Unchanged 13 30.2%

Reduced 14 32.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

16.63%

▼-0.74 pp QoQ

Shares Held by Institutions

6.26Mn

of 37.66Mn outstanding

▼-3.00% QoQ

Shares Outstanding

37.66Mn

31.40Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-5 vs prior quarter

Net Shares Added (QoQ)

-193.51K

distributed since last quarter

Value of Holdings

$7.33Mn

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

Metagenomi Therapeutics, Inc. (NASDAQ:MGX) has 43 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 16.6% of outstanding shares in June 2026, down from 17.4% in March 2026.
They decreased total shares held in MGX by -3.0% quarter over quarter, and investors in Metagenomi Therapeutics decreased 35.82% from a year ago.
Of these 43 funds, 16 grew their exposure to Metagenomi Therapeutics, 14 cut back, and 13 maintained positions.
Combined, these investors held 6.26Mn shares in MGX for June 2026, down by 193.51K shares quarter on quarter, and down 1.17Mn shares year over year.
As of June 30, 2026, the biggest holder of Metagenomi Therapeutics is VANGUARD CAPITAL MANAGEMENT LLC at 1.08Mn shares, representing 2.86% of shares outstanding.
The most significant purchases of MGX for the quarter ending June 2026 came from Wells Fargo & Company/Mn (177.37K), Marquette Asset Management, LLC (72.12K), Man Group plc (30.49K), BlackRock, Inc. (27.5K), VANGUARD CAPITAL MANAGEMENT LLC (19.76K).
Leading sellers of Metagenomi Therapeutics shares for the quarter ending June 2026 were JACOBS LEVY EQUITY MANAGEMENT, INC (222.15K), JANE STREET GROUP, LLC (113.04K), GEODE CAPITAL MANAGEMENT, LLC (69.54K), RBF Capital, LLC (64.02K), MILLENNIUM MANAGEMENT LLC (56.08K).
Metagenomi Therapeutics's 10 largest shareholders as of June 2026 include VANGUARD CAPITAL MANAGEMENT LLC (1.08Mn), RENAISSANCE TECHNOLOGIES LLC (742.4K), Catalio Capital Management, LP (528.99K), Peapod Lane Capital LLC (525.02K), TWO SIGMA INVESTMENTS, LP (513.7K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (400.3K), Wells Fargo & Company/Mn (379.51K), GEODE CAPITAL MANAGEMENT, LLC (288.67K), PURA VIDA INVESTMENTS, LLC (264.39K), BlackRock, Inc. (257.63K) per Business Quant data.

Form 13F Holdings

43 Institutional Holders

Report period 30 Jun, 2026

Total shares held 6.26Mn

Of outstanding 16.63%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,077,700	2.86%	▲19,756	+1.87%	$1.28Mn
2	RENAISSANCE TECHNOLOGIES LLC	0001037389	742,400	1.97%	▼45,500	-5.77%	$883.46K
3	Catalio Capital Management, LP	0001958125	528,993	1.40%	0	0.00%	$629.50K
4	Peapod Lane Capital LLC	0002050979	525,024	1.39%	▲8,263	+1.60%	$624.78K
5	TWO SIGMA INVESTMENTS, LP	0001179392	513,701	1.36%	▲16,934	+3.41%	$611.30K
6	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	400,300	1.06%	▲4,500	+1.14%	$476.36K
7	Wells Fargo & Company/Mn	0000072971	379,508	1.01%	▲177,370	+87.75%	$451.61K
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	288,665	0.77%	▼69,535	-19.41%	$343.67K
9	PURA VIDA INVESTMENTS, LLC	0001590144	264,391	0.70%	0	0.00%	$314.63K
10	BlackRock, Inc.	0002012383	257,631	0.68%	▲27,497	+11.95%	$306.58K
11	VANGUARD FIDUCIARY TRUST CO	0000933478	171,251	0.45%	▲1,077	+0.63%	$203.79K
12	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	160,000	0.42%	▼222,153	-58.13%	$190.40K
13	State Street Corp	0000093751	119,850	0.32%	▼577	-0.48%	$142.62K
14	MILLENNIUM MANAGEMENT LLC	0001273087	114,025	0.30%	▼56,079	-32.97%	$135.69K
15	Man Group plc	0001637460	109,130	0.29%	▲30,494	+38.78%	$129.87K
16	Resolute Advisors LLC	0001800217	89,944	0.24%	0	0.00%	$107.03K
17	Marquette Asset Management, LLC	0001395067	72,121	0.19%	▲72,121	0.00%	$85.82K
18	Northern Trust Corp	0000073124	68,938	0.18%	▼6,234	-8.29%	$82.04K
19	RBF Capital, LLC	0001134621	64,021	0.17%	▼64,021	-50.00%	$76.19K
20	XTX Topco Ltd	0001828301	55,707	0.15%	▲15,125	+37.27%	$66.29K

Showing 1 to 20 of 43 holders