MGX · NASDAQ · Biotechnology

Metagenomi Therapeutics (MGX)

Develops genetic medicines from microbial genome-editing systems.

$1.17
At close0.00 (0.00%)

Breakdown13F · 13D/G · Form 4

Institutions47 holders · as of Mar 31, 202617.11%6.46M shares
Insiders5 holders · as of Jun 10, 20269.29%3.51M shares
Otherremainder73.60%27.80M shares

37.78M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Brian C. ThomasInsiderdirector
6.65%2.51MForm 4filed Dec 8, 2025
Vanguard Capital Management LLCInstitution
2.80%1.06M13Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
2.09%787,90013Fas of Mar 31, 2026
Jian IrishInsiderdirector, officer: See Remarks
1.47%556,016Form 4filed Jun 10, 2026
Catalio Capital Management, LPInstitution
1.40%528,99313Fas of Mar 31, 2026
Peapod Lane Capital LLCInstitution
1.37%516,76113Fas of Mar 31, 2026
Two Sigma Investments, LPInstitution
1.31%496,76713Fas of Mar 31, 2026
Bridgeway Capital Management, LLCInstitution
1.05%395,80013Fas of Mar 31, 2026
Jacobs Levy Equity Management, IncInstitution
1.01%382,15313Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution
0.95%358,20013Fas of Mar 31, 2026
Pura Vida Investments, LLCInstitution
0.70%264,39113Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.61%230,13413Fas of Mar 31, 2026
Pamela WapnickInsiderofficer: Chief Financial Officer
0.55%208,491Form 4filed Jun 10, 2026
Wells Fargo & Company/MNInstitution
0.54%202,13813Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.45%170,17413Fas of Mar 31, 2026
Millennium Management LLCInstitution
0.45%170,10413Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
0.40%151,44013Fas of Mar 31, 2026
Matthew WeinInsiderofficer: See Remarks
0.33%126,491Form 4filed Jun 10, 2026
State Street CorpInstitution
0.32%120,42713Fas of Mar 31, 2026
Sarah B. NoonbergInsiderofficer: Chief Medical Officer
0.29%109,135Form 4filed Jun 9, 2025
Resolute Advisors LLCInstitution
0.24%89,94413Fas of Mar 31, 2026
Man Group PLCInstitution
0.21%78,63613Fas of Mar 31, 2026
Northern Trust CorpInstitution
0.20%75,17213Fas of Mar 31, 2026
RBF Capital, LLCInstitution
0.17%64,02113Fas of Mar 31, 2026
BBR Partners, LLCInstitution
0.14%53,40313Fas of Mar 31, 2026

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

47 holders · 6.46M shares · 6 new positions · 14 increased · 14 reduced · 13 closed

HolderShares% outstandingChg q/qFiled
Vanguard Capital Management LLC1.06M2.80%+1.06MnewMay 15, 2026
Renaissance Technologies LLC787.9K2.09%+159.5KMay 14, 2026
Catalio Capital Management, LP529.0K1.40%0May 15, 2026
Peapod Lane Capital LLC516.8K1.37%+19.1KMay 4, 2026
Two Sigma Investments, LP496.8K1.31%+55.4KMay 15, 2026
Bridgeway Capital Management, LLC395.8K1.05%0May 15, 2026
Jacobs Levy Equity Management, Inc382.2K1.01%+382.2KMay 15, 2026
Geode Capital Management, LLC358.2K0.95%+52.3KMay 15, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Bayer US Holding LPincl. Bayer World Investments B.V., Bayer Aktiengesellschaft +1 more10.80%4.05M13GNov 6, 2024

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 5, 2026
Matthew Weinofficer: See Remarks
Sale558$1.30126,491
Jun 5, 2026
Jian Irishdirector, officer: See Remarks
Sale3,737$1.30377,533
Jun 5, 2026
Pamela Wapnickofficer: Chief Financial Officer
Sale2,884$1.30208,491
Mar 5, 2026
Jian Irishdirector, officer: Chief Executive Officer
Sale1,607$1.60333,770
Mar 5, 2026
Matthew Weinofficer: See Remarks
Sale482$1.60114,549
Mar 5, 2026
Pamela Wapnickofficer: Chief Financial Officer
Sale1,581$1.60187,375
Dec 5, 2025
Jian Irishdirector, officer: Chief Executive Officer
Sale1,602$1.77563,839
Dec 5, 2025
Pamela Wapnickofficer: Chief Financial Officer
Sale1,576$1.77188,956
Dec 5, 2025
Matthew Weinofficer: See Remarks
Sale199$1.77115,031
Dec 5, 2025
Brian C. Thomasdirector
Sale3,830$1.772,510,960

CongressHouse and Senate disclosures

Not reported.