MGX · Metagenomi Therapeutics, Inc.

$1.17 -0.01 (-0.85%)

Market Cap

$44.95M

37.78M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 43

Total Value: $7,452,595

Total Shares: 6,262,702

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 43 13F filers · Δ vs Mar 31, 2026

Top Holder

17.2%

+0.8 pts

Top 5

54.1%

+1.7 pts

Top 10

79.5%

+1.8 pts

HHI

811

Broadly held+32

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -5

Institutional value: -14.0%

Shares held: -3.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega WELLS FARGO & COMPANY/MN	+177,370	379,508
Large Man Group plc	+30,494	109,130
Mega BlackRock, Inc.	+27,497	257,631
Mega VANGUARD CAPITAL MANAGEMENT LLC	+19,756	1,077,700
Mega TWO SIGMA INVESTMENTS, LP	+16,934	513,701

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large JACOBS LEVY EQUITY MANAGEMENT, INC	−222,153	160,000
Mega JANE STREET GROUP, LLC	−113,044	38,396
Mega GEODE CAPITAL MANAGEMENT, LLC	−69,535	288,665
Mega MILLENNIUM MANAGEMENT LLC	−56,079	114,025
Large RENAISSANCE TECHNOLOGIES LLC	−45,500	742,400

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Micro Marquette Asset Management, LLC	72,121	$85,823
Mega Qube Research & Technologies Ltd	16,850	$20,051
Small TWO SIGMA SECURITIES, LLC	15,173	$18,055
Mega BARCLAYS PLC	167	$198

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large MARSHALL WACE, LLP	27,521	$36,878
Mega LPL Financial LLC	16,834	$22,557
Large Point72 Asset Management, L.P.	11,726	$15,712
Large HRT FINANCIAL LP	10,674	$14,303
Mega Russell Investments Group, Ltd.	4,179	$5,599

Filter: New 4 Increased 12 Reduced 13 Sold out 9 Unchanged 14

Showing 43 of 43

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$1,282,463

17.21%

1,077,700

RENAISSANCE TECHNOLOGIES LLC

$883,456

11.85%

742,400

Catalio Capital Management, LP

$629,501

8.45%

528,993

Peapod Lane Capital LLC

$624,778

8.38%

525,024

TWO SIGMA INVESTMENTS, LP

$611,304

8.20%

513,701

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$476,357

6.39%

400,300

WELLS FARGO & COMPANY/MN

$451,614

6.06%

379,508

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	354,234	$421,538	93.3%	Defined
WELLS FARGO CLEARING SERVICES, LLC	25,274	$30,076	6.7%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$343,510

4.61%

288,665

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	54,766	$65,171	19.0%	Defined
Held directly	233,899	$278,339	81.0%	Defined

PURA VIDA INVESTMENTS, LLC

$314,625

4.22%

264,391

BlackRock, Inc.

$306,580

4.11%

257,631

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	6,882	$8,189	2.7%	Sole
BlackRock Fund Advisors	95,479	$113,620	37.1%	Sole
BlackRock Institutional Trust Company, N.A.	155,270	$184,771	60.3%	Sole

VANGUARD FIDUCIARY TRUST CO

$203,788

2.73%

171,251

JACOBS LEVY EQUITY MANAGEMENT, INC

$190,400

2.55%

160,000

STATE STREET CORP

$142,621

1.91%

119,850

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	119,850	$142,621	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$135,689

1.82%

114,025

Man Group plc

$129,864

1.74%

109,130

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	109,130	$129,864	100.0%	Defined

Resolute Advisors LLC

$107,033

1.44%

89,944

Marquette Asset Management, LLC

$85,823

1.15%

72,121

NORTHERN TRUST CORP

$82,036

1.10%

68,938

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	68,938	$82,036	100.0%	Defined

RBF Capital, LLC

$76,184

1.02%

64,021

XTX Topco Ltd

$66,291

0.89%

55,707

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	55,707	$66,291	100.0%	Defined

BBR PARTNERS, LLC

$63,549

0.85%

53,403

JANE STREET GROUP, LLC

$45,691

0.61%

38,396

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	35,100	$41,769	91.4%	Defined
Jane Street Global Trading, LLC	3,296	$3,922	8.6%	Defined

Fortitude Advisory Group L.L.C.

$44,256

0.59%

37,190

CITADEL ADVISORS LLC

$21,242

0.29%

17,851

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	17,851	$21,242	100.0%	Defined

Qube Research & Technologies Ltd

$20,051

0.27%

16,850

UBS Group AG

$18,793

0.25%

15,793

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	15,793	$18,793	100.0%	Defined

TWO SIGMA SECURITIES, LLC

$18,055

0.24%

15,173

Vanguard Global Advisers, LLC

$15,936

0.21%

13,392

DIMENSIONAL FUND ADVISORS LP

$15,228

0.20%

12,797

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Ireland Ltd	12,797	$15,228	100.0%	Defined

Peak Planning Group, LLC

$14,875

0.20%

12,500

MEEDER ASSET MANAGEMENT INC

$6,540

0.09%

5,496

MORGAN STANLEY

$6,308

0.08%

5,302

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	1,084	$1,289	20.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	4,218	$5,019	79.6%	Defined

Tower Research Capital LLC (TRC)

$6,307

0.08%

5,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	5,300	$6,307	100.0%	Defined

US BANCORP \DE\

$5,355

0.07%

4,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	4,500	$5,355	100.0%	Defined

OSAIC HOLDINGS, INC.

$2,250

0.03%

1,891

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,891	$2,250	100.0%	Defined

JPMORGAN CHASE & CO

$1,898

0.03%

1,596

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	1,470	$1,749	92.1%	Defined
J.P. Morgan Securities plc	126	$149	7.9%	Defined

FMR LLC

$699

0.01%

588

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	588	$699	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$595

0.01%

500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	500	$595	100.0%	Sole

Allworth Financial LP

$595

0.01%

500

BNP PARIBAS ARBITRAGE, SA

$246

0.00%

207

BARCLAYS PLC

$198

0.00%

167

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	167	$198	100.0%	Defined

Caitong International Asset Management Co., Ltd

0.00%

Optiver Holding B.V.

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	2	$2	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	27,521	$36,878	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	4,179	$5,599	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	314	$420	100.0%	Defined

Key facts CIK 1785279 CUSIP 59102M104 13F (30d) 40 filings 40 filers Visit website Investor relations