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Metagenomi Therapeutics, Inc.

MGX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001785279

In the last 90 days, Metagenomi Therapeutics, Inc. insiders filed 1 open-market purchase and 3 sales; 43 institutions reported holding it in 13F filings for Q2 2026, worth $7.45M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Metagenomi Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
43
−4 vs. Q1 2026
Shares held
6.26M
−201.3K (−3.1%) vs. Q1 2026
Total value
$7.45M
−$1.20M (−13.9%) vs. Q1 2026
New holders
4
12 more added
Sold out
8
13 more reduced

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 43 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 50 institutionsQ2 2024: 54 institutionsQ3 2024: 67 institutionsQ4 2024: 77 institutionsQ1 2025: 79 institutionsQ2 2025: 69 institutionsQ3 2025: 58 institutionsQ4 2025: 56 institutionsQ1 2026: 48 institutionsQ2 2026: 43 institutions
Value heldQ2 2026: $7.45M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $140.6MQ2 2024: $49.6MQ3 2024: $25.3MQ4 2024: $38.9MQ1 2025: $13.5MQ2 2025: $10.4MQ3 2025: $14.3MQ4 2025: $11.1MQ1 2026: $8.65MQ2 2026: $7.45M
Institutions holding MGX and their total value by quarter
QuarterHoldersValue
Q2 202643$7.45M
Q1 202648$8.65M
Q4 202556$11.1M
Q3 202558$14.3M
Q2 202569$10.4M
Q1 202579$13.5M
Q4 202477$38.9M
Q3 202467$25.3M
Q2 202454$49.6M
Q1 202450$140.6M
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Metagenomi Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding MGX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Capital Management LLC1,077,700$1.28M0.00%+19,756+1.9%Added
Renaissance Technologies LLC742,400$883.5K0.00%−45,500−5.8%Reduced
Catalio Capital Management, LP528,993$629.5K0.12%00.0%Unchanged
Peapod Lane Capital LLC525,024$624.8K0.42%+8,263+1.6%Added
Two Sigma Investments, LP513,701$611.3K0.00%+16,934+3.4%Added
Bridgeway Capital Management, LLC400,300$476.4K0.01%+4,500+1.1%Added
Wells Fargo & Company379,508$451.6K0.00%+177,370+87.7%Added
Geode Capital Management, LLC288,665$343.7K0.00%−69,535−19.4%Reduced
Pura Vida Investments, LLC264,391$314.6K0.85%00.0%Unchanged
BlackRock, Inc.257,631$306.6K0.00%+27,497+11.9%Added
Vanguard Fiduciary Trust Co171,251$203.8K0.00%+1,077+0.6%Added
Jacobs Levy Equity Management, Inc160,000$190.4K0.00%−222,153−58.1%Reduced
State Street Corp119,850$142.6K0.00%−577−0.5%Reduced
Millennium Management LLC114,025$135.7K0.00%−56,079−33.0%Reduced
Man Group plc109,130$129.9K0.00%+30,494+38.8%Added
Resolute Partners Group89,944$107.0K0.03%00.0%Unchanged
Marquette Asset Management, LLC72,121$85.8K0.01%+72,121New
Northern Trust Corp68,938$82.0K0.00%−6,234−8.3%Reduced
RBF Capital, LLC64,021$76.2K0.00%00.0%Unchanged
XTX Topco Ltd55,707$66.3K0.00%+15,125+37.3%Added
BBR Partners, LLC53,403$63.5K0.00%00.0%Unchanged
Jane Street Group, LLC38,396$45.7K0.00%−113,044−74.6%Reduced
Fortitude Advisory Group L.L.C.37,190$44.3K0.02%00.0%Unchanged
Citadel Advisors LLC17,851$21.2K0.00%+858+5.0%Added
Qube Research & Technologies Ltd16,850$20.1K0.00%+16,850New
UBS Group AG15,793$18.8K0.00%−305−1.9%Reduced
Two Sigma Securities, LLC15,173$18.1K0.00%+15,173New
Vanguard Global Advisers, LLC13,392$15.9K0.00%00.0%Unchanged
Dimensional Fund Advisors LP12,797$15.2K0.00%00.0%Unchanged
Peak Planning Group, LLC12,500$14.9K0.00%00.0%Unchanged
Meeder Asset Management Inc5,496$6.54K0.00%00.0%Unchanged
Morgan Stanley5,302$6.31K0.00%−22,264−80.8%Reduced
Tower Research Capital LLC (TRC)5,300$6.31K0.00%+5,258+12,519.0%Added
US Bancorp4,500$5.36K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,891$2.25K0.00%−1,000−34.6%Reduced
JPMorgan Chase & Co1,596$1.92K0.00%00.0%Unchanged
FMR LLC588$7000.00%−4,130−87.5%Reduced
Jones Financial Companies LLLP500$6250.00%00.0%Unchanged
Allworth Financial LP500$5950.00%00.0%Unchanged
BNP Paribas Arbitrage, SA207$2460.00%−100−32.6%Reduced
Barclays PLC167$1990.00%+167New
Caitong International Asset Management Co., Ltd8$100.00%+4+100.0%Added
Optiver Holding B.V.2$20.00%−16−88.9%Reduced
Marshall Wace, LLP0$00.00%−27,521−100.0%Sold out
LPL Financial LLC0$00.00%−16,834−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−11,726−100.0%Sold out
HRT Financial LP0$00.00%−10,674−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−4,179−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−511−100.0%Sold out
Larson Financial Group LLC0$00.00%−50−100.0%Sold out
Royal Bank of Canada0$00.00%−314−100.0%Sold out
CWM, LLC––––Not filed