Vault-13

METAGENOMI INC MGX

COM · Common Stock · CUSIP 59102M104

43 institutional holders -5 vs Q1 2026
6,262,7026.3m shares reported held*
16.6% of all shares outstanding*
$7.5mreported value*
4 new 12 added 13 reduced 8 sold out net sold ≈ $239.5k (-201.3k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 37.8m as of 2026-08-06, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.19.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100Q1 24: 51Q2 24: 55Q3 24: 68Q4 24: 78Q1 25: 80Q2 25: 70Q3 25: 58Q4 25: 56Q1 26: 48Q2 26: 4343Q1 24Q3 24Q1 25Q3 25Q1 26Q2 26
Numbers
QuarterHolders
Q1 202451
Q2 202455
Q3 202468
Q4 202478
Q1 202580
Q2 202570
Q3 202558
Q4 202556
Q1 202648
Q2 202643

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 42 bought or addedQ3 24: 19 cut or sold outQ4 24: 51 bought or addedQ4 24: 26 cut or sold outQ4 24Q1 25: 38 bought or addedQ1 25: 27 cut or sold outQ2 25: 36 bought or addedQ2 25: 46 cut or sold outQ2 25Q3 25: 21 bought or addedQ3 25: 40 cut or sold outQ4 25: 25 bought or addedQ4 25: 26 cut or sold outQ4 25Q1 26: 11 bought or addedQ1 26: 28 cut or sold outQ2 26: 16 bought or addedQ2 26: 21 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20244219
Q4 20245126
Q1 20253827
Q2 20253646
Q3 20252140
Q4 20252526
Q1 20261128
Q2 20261621

Biggest buyers

WELLS FARGO & COMPANY/MN Added +177,370+177.4k
Marquette Asset Management, LLC New +72,121+72.1k
Man Group plc Added +30,494+30.5k
BlackRock, Inc. Added +27,497+27.5k
VANGUARD CAPITAL MANAGEMENT LLC Added +19,756+19.8k
TWO SIGMA INVESTMENTS, LP Added +16,934+16.9k
Qube Research & Technologies Ltd New +16,850+16.9k
TWO SIGMA SECURITIES, LLC New +15,173+15.2k
XTX Topco Ltd Added +15,125+15.1k
Peapod Lane Capital LLC Added +8,263+8.3k

Biggest sellers

JACOBS LEVY EQUITY MANAGEMENT, INC Reduced -222,153-222.2k
JANE STREET GROUP, LLC Reduced -113,044-113.0k
GEODE CAPITAL MANAGEMENT, LLC Reduced -69,535-69.5k
MILLENNIUM MANAGEMENT LLC Reduced -56,079-56.1k
RENAISSANCE TECHNOLOGIES LLC Reduced -45,500-45.5k
MARSHALL WACE, LLP Sold out -27,521-27.5k
MORGAN STANLEY Reduced -22,264-22.3k
LPL Financial LLC Sold out -16,834-16.8k
Point72 Asset Management, L.P. Sold out -11,726-11.7k
HRT FINANCIAL LP Sold out -10,674-10.7k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Thomas Brian C. 13G · exempt (held before listing) new · filed 2026-09-10 7.3% new 2.8m≈ $3.3m 2026-09-10

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
505Q4 24: 0 buyingQ4 24: 1 sellingQ1 25: 0 buyingQ1 25: 2 sellingQ1 25Q2 25: 0 buyingQ2 25: 5 sellingQ3 25: 0 buyingQ3 25: 4 sellingQ3 25Q4 25: 0 buyingQ4 25: 4 sellingQ1 26: 0 buyingQ1 26: 3 sellingQ1 26Q2 26: 0 buyingQ2 26: 3 sellingQ3 26: 1 buyingQ3 26: 3 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—1$2.9k—
Q1 20250—2$5.1k—
Q2 20250—5$42.3k—
Q3 20250—4$11.0k—
Q4 20250—4$12.8k—
Q1 20260—3$5.9k—
Q2 20260—3$9.3k—
Q3 20261$23.4k3$5.1k—
DateInsiderTradeSharesPrice ValueTheir holding
2026-09-09 Reid Laurence Director Bought 20,000 $1.17 $23.4k20.0k shares new
2026-09-08 Irish Jian Officer, director Sold 2,140 $1.16 $2.5k2.1k shares -1%
2026-09-08 Wapnick Pamela Chief Financial Officer Sold 1,911 $1.16 $2.2k1.9k shares -1%
2026-09-08 Wein Matthew Officer Sold 358 $1.16 $415358 shares -<1%
2026-06-05 Irish Jian Officer, director Sold 3,737 $1.30 $4.9k3.7k shares -1%
2026-06-05 Wapnick Pamela Chief Financial Officer Sold 2,884 $1.30 $3.7k2.9k shares -1%
2026-06-05 Wein Matthew Officer Sold 558 $1.30 $725558 shares -<1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,077,7001.1m $1.3m $1.3m 0.00% Added +19.8k +19,756
2 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 742,400742.4k $883.5k $883.5k 0.00% Reduced -45.5k -45,500
3 Catalio Capital Management, LP 0.12% of their portfolio NEW YORK, NY 528,993529.0k $629.5k $629.5k 0.12% Unchanged
4 Peapod Lane Capital LLC 0.42% of their portfolio Bedford Hills, NY 525,024525.0k $624.8k $624.8k 0.42% Added +8.3k +8,263
5 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 513,701513.7k $611.3k $611.3k 0.00% Added +16.9k +16,934
6 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 400,300400.3k $476.4k $476.4k 0.01% Added +4.5k +4,500
7 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 379,508379.5k $451.6k $451.6k 0.00% Added +177.4k +177,370
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 288,665288.7k $343.7k $343.7k 0.00% Reduced -69.5k -69,535
9 PURA VIDA INVESTMENTS, LLC 0.85% of their portfolio NEW YORK, NY 264,391264.4k $314.6k $314.6k 0.85% Unchanged
10 BlackRock, Inc. 0.00% of their portfolio New York, NY 257,631257.6k $306.6k $306.6k 0.00% Added +27.5k +27,497
11 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 171,251171.3k $203.8k $203.8k 0.00% Added +1.1k +1,077
12 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 160,000160.0k $190.4k $190.4k 0.00% Reduced -222.2k -222,153
13 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 119,850119.8k $142.6k $142.6k 0.00% Reduced -577 -577
14 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 114,025114.0k $135.7k $135.7k 0.00% Reduced -56.1k -56,079
15 Man Group plc 0.00% of their portfolio LONDON, X0 109,130109.1k $129.9k $129.9k 0.00% Added +30.5k +30,494
16 Resolute Advisors LLC 0.03% of their portfolio SAN FRANCISCO, CA 89,94489.9k $107.0k $107.0k 0.03% Unchanged
17 Marquette Asset Management, LLC 0.01% of their portfolio MINNEAPOLIS, MN 72,12172.1k $85.8k $85.8k 0.01% New
18 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 68,93868.9k $82.0k $82.0k 0.00% Reduced -6.2k -6,234
19 RBF Capital, LLC 0.00% of their portfolio RENO, NV 64,02164.0k $76.2k $76.2k 0.00% Unchanged
20 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 55,70755.7k $66.3k $66.3k 0.00% Added +15.1k +15,125
21 BBR PARTNERS, LLC 0.00% of their portfolio NEW YORK, NY 53,40353.4k $63.5k $63.5k 0.00% Unchanged
22 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 38,39638.4k $45.7k $45.7k 0.00% Reduced -113.0k -113,044
23 Fortitude Advisory Group L.L.C. 0.02% of their portfolio GIG HARBOR, WA 37,19037.2k $44.3k $44.3k 0.02% Unchanged
24 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 17,85117.9k $21.2k $21.2k 0.00% Added +858 +858
25 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 16,85016.9k $20.1k $20.1k 0.00% New
26 UBS Group AG 0.00% of their portfolio ZURICH, V8 15,79315.8k $18.8k $18.8k 0.00% Reduced -305 -305
27 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 15,17315.2k $18.1k $18.1k 0.00% New
28 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 13,39213.4k $15.9k $15.9k 0.00% Unchanged
29 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 12,79712.8k $15.2k $15.2k 0.00% Unchanged
30 Peak Planning Group, LLC 0.00% of their portfolio CENTENNIAL, CO 12,50012.5k $14.9k $14.9k 0.00% Unchanged
31 MEEDER ASSET MANAGEMENT INC 0.00% of their portfolio DUBLIN, OH 5,4965.5k $6.5k $6.5k 0.00% Unchanged
32 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 5,3025.3k $6.3k $6.3k 0.00% Reduced -22.3k -22,264
33 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 5,3005.3k $6.3k $6.3k 0.00% Added +5.3k +5,258
34 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 4,5004.5k $5.4k $5.4k 0.00% Unchanged
35 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,8911.9k $2.2k $2.2k 0.00% Reduced -1.0k -1,000
36 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,5961.6k $1.9k $1.9k 0.00% Unchanged
37 FMR LLC 0.00% of their portfolio BOSTON, MA 588588 $700 $700 0.00% Reduced -4.1k -4,130
38 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 500500 $625 $625 0.00% Unchanged
39 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 500500 $595 $595 0.00% Unchanged
40 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 207207 $246 $246 0.00% Reduced -100 -100
41 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 167167 $199 $199 0.00% New
42 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 88 $10 $10 0.00% Added +4 +4
43 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 22 $2 $2 0.00% Reduced -16 -16