Vault-13

PEPGEN INC PEPG

COM · Common Stock · CUSIP 713317105

62 institutional holders +5 vs Q1 2024
25,153,36525.2m shares reported held*
77.2% of all shares outstanding*
$401.4mreported value*
11 new 24 added 14 reduced 8 sold out net bought ≈ $6.1m (+384.0k 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 ($41.8k this quarter). Holder counts are more reliable. Shares outstanding: 32.6m as of 2024-08-01, 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 ≈ $15.96.

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0255075Q3 22: 43Q4 22: 47Q1 23: 46Q2 23: 45Q3 23: 44Q4 23: 43Q1 24: 57Q2 24: 6262Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202243
Q4 202247
Q1 202346
Q2 202345
Q3 202344
Q4 202343
Q1 202457
Q2 202462

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q4 22: 30 bought or addedQ4 22: 14 cut or sold outQ4 22Q1 23: 25 bought or addedQ1 23: 16 cut or sold outQ2 23: 14 bought or addedQ2 23: 29 cut or sold outQ2 23Q3 23: 15 bought or addedQ3 23: 20 cut or sold outQ4 23: 18 bought or addedQ4 23: 19 cut or sold outQ4 23Q1 24: 37 bought or addedQ1 24: 15 cut or sold outQ2 24: 35 bought or addedQ2 24: 22 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20223014
Q1 20232516
Q2 20231429
Q3 20231520
Q4 20231819
Q1 20243715
Q2 20243522

Biggest buyers

Polar Capital Holdings Plc New +531,097+531.1k
BlackRock Inc. Added +257,324+257.3k
Invesco Ltd. New +231,064+231.1k
Woodline Partners LP New +174,036+174.0k
GEODE CAPITAL MANAGEMENT, LLC Added +79,610+79.6k
STATE STREET CORP Added +76,411+76.4k
Sofinnova Investments, Inc. Added +57,504+57.5k
VANGUARD GROUP INC Added +52,948+52.9k
ZACKS INVESTMENT MANAGEMENT New +39,898+39.9k
WELLINGTON MANAGEMENT GROUP LLP New +22,899+22.9k

Biggest sellers

JANUS HENDERSON GROUP PLC Reduced -624,767-624.8k
Artal Group S.A. Reduced -86,683-86.7k
Monashee Investment Management LLC Sold out -85,886-85.9k
SUPERSTRING CAPITAL MANAGEMENT LP Reduced -85,136-85.1k
FMR LLC Reduced -69,873-69.9k
Walleye Capital LLC Sold out -64,614-64.6k
MORGAN STANLEY Reduced -58,420-58.4k
BRIDGEWAY CAPITAL MANAGEMENT, LLC Reduced -50,500-50.5k
Point72 Asset Management, L.P. Reduced -47,004-47.0k
CITIGROUP INC Reduced -37,211-37.2k

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
RA CAPITAL MANAGEMENT, L.P. 13D · may seek influence filed 2025-09-30 29.2% 20.1m≈ $36.2m 2025-09-30
Oxford Science Enterprises plc 13G · passive investor filed 2025-10-01 7.2% 5.0m≈ $8.9m 2025-10-01
Commodore Capital LP 13G · passive investor +1.4 pts · filed 2026-05-15 6.5% +1.4 pts 4.5m≈ $8.1m 2026-05-15
VIKING GLOBAL INVESTORS LP 13G · passive investor -0.1 pts · filed 2026-05-15 5.0% -0.1 pts 3.5m≈ $6.3m 2026-05-15

Insider purchases and sales in Q2 2024

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
202Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 1 sellingQ2 23: 0 buyingQ2 23: 1 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 1 buyingQ4 23: 0 sellingQ4 23Q1 24: 1 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 2 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20220—0——
Q4 20220—0——
Q1 20230—1$110.6k—
Q2 20230—1$505.4k$505.4k
Q3 20230—0——
Q4 20231$7.1k0——
Q1 20241$27.2m0——
Q2 20240—2$487.6k$353.5k
DateInsiderTradeSharesPrice ValueTheir holding
2024-06-24 Mellion Michelle L Chief Medical Officer Sold plan 9,260 $18.19 $168.4k9.3k shares -100%
2024-06-12 Mellion Michelle L Chief Medical Officer Sold plan 1,086 $18.06 $19.6k1.1k shares -100%
2024-06-11 Mellion Michelle L Chief Medical Officer Sold plan 500 $18.04 $9.0k500 shares -100%
2024-06-06 Mellion Michelle L SVP, Clinical Development Sold plan 1,411 $18.00 $25.4k1.4k shares -100%
2024-06-05 Mellion Michelle L SVP, Clinical Development Sold plan 7,245 $18.09 $131.1k7.2k shares -100%
2024-05-17 Svenstrup Niels SVP, Chem. Mfg & Controls Sold 10,000 $13.41 $134.1k10.0k shares -100%

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 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 RA CAPITAL MANAGEMENT, L.P. 2.26% of their portfolio BOSTON, MA 10,689,54510.7m $170.6m $170.6m 2.26% Unchanged
2 MONTANOVA CAPITAL, LLC 0.99% of their portfolio New York, NY 1,520,9321.5m $24.3m $24.3m 0.99% Unchanged
3 Frazier Life Sciences Management, L.P. 1.12% of their portfolio PALO ALTO, CA 1,502,7881.5m $24.0m $24.0m 1.12% Unchanged
4 VIKING GLOBAL INVESTORS LP 0.09% of their portfolio STAMFORD, CT 1,482,4341.5m $23.7m $23.7m 0.09% Unchanged
5 PERCEPTIVE ADVISORS LLC 0.54% of their portfolio NEW YORK, NY 1,410,4381.4m $22.5m $22.5m 0.54% Unchanged
6 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.04% of their portfolio Boston, MA 1,327,5361.3m $21.2m $21.2m 0.04% Reduced -6.1k -6,075
7 BlackRock Inc. 0.00% of their portfolio New York, NY 1,038,7611.0m $16.6m $16.6m 0.00% Added +257.3k +257,324
8 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 903,393903.4k $14.4m $14.4m 0.00% Added +52.9k +52,948
9 Laurion Capital Management LP 0.44% of their portfolio NEW YORK, NY 841,431841.4k $13.4m $13.4m 0.44% Unchanged
10 Sofinnova Investments, Inc. 0.56% of their portfolio Menlo Park, CA 561,128561.1k $9.0m $9.0m 0.56% Added +57.5k +57,504
11 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 541,875541.9k $8.6m $8.6m 0.00% Reduced -624.8k -624,767
12 Polar Capital Holdings Plc 0.05% of their portfolio London, X0 531,097531.1k $8.5m $8.5m 0.05% New
13 FMR LLC 0.00% of their portfolio BOSTON, MA 388,767388.8k $6.2m $6.2m 0.00% Reduced -69.9k -69,873
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 379,097379.1k $6.1m $6.1m 0.00% Added +79.6k +79,610
15 Octagon Capital Advisors LP 0.99% of their portfolio NEW YORK, NY 376,117376.1k $6.0m $6.0m 0.99% Unchanged
16 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 317,393317.4k $5.1m $5.1m 0.00% Added +76.4k +76,411
17 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 231,064231.1k $3.7m $3.7m 0.00% New
18 Woodline Partners LP 0.03% of their portfolio San Francisco, CA 174,036174.0k $2.8m $2.8m 0.03% New
19 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 145,174145.2k $2.3m $2.3m 0.01% Reduced -47.0k -47,004
20 Artal Group S.A. 0.05% of their portfolio LUXEMBOURG, N4 113,317113.3k $1.8m $1.8m 0.05% Reduced -86.7k -86,683
21 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 97,48397.5k $1.6m $1.6m 0.00% Added +5.3k +5,288
22 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio HOUSTON, TX 48,70048.7k $777.3k $777.3k 0.02% Reduced -50.5k -50,500
23 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 46,76346.8k $746.3k $746.3k 0.00% Added +15.5k +15,473
24 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 44,15744.2k $704.7k $704.7k 0.00% Added +13.4k +13,397
25 ZACKS INVESTMENT MANAGEMENT 0.01% of their portfolio Chicago, IL 39,89839.9k $636.8k $636.8k 0.01% New
26 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 36,08636.1k $575.9k $575.9k 0.00% Added +17.0k +17,029
27 Rathbones Group PLC 0.00% of their portfolio Liverpool, X0 32,00332.0k $510.8k $510.8k 0.00% Unchanged
28 Crestline Management, L.P. 0.04% of their portfolio FORT WORTH, TX 31,23031.2k $498.4k $498.4k 0.04% Reduced -3.8k -3,770
29 SUPERSTRING CAPITAL MANAGEMENT LP 0.59% of their portfolio NEW YORK, NY 29,24929.2k $466.8k $466.8k 0.59% Reduced -85.1k -85,136
30 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 28,55728.6k $455.8k $455.8k 0.00% Added +14.7k +14,709
31 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 27,02627.0k $431.3k $431.3k 0.00% Reduced -58.4k -58,420
32 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 22,89922.9k $365.5k $365.5k 0.00% New
33 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 21,49421.5k $343.0k $343.0k 0.00% New
34 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 20,02820.0k $319.6k $319.6k 0.00% Added +3.3k +3,326
35 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 18,85318.9k $300.9k $300.9k 0.00% Added +5.0k +5,002
36 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 16,04016.0k $256.0k $256.0k 0.00% Added +4.0k +3,980
37 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 13,65013.7k $217.9k $217.9k 0.00% Reduced -17.3k -17,314
38 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 12,25112.3k $195.5k $195.5k 0.00% New
39 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 12,00012.0k $191.5k $191.5k 0.00% New
40 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 10,20010.2k $162.8k $162.8k 0.00% Added +6.6k +6,600
41 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 9,4209.4k $150.3k $150.3k 0.00% Added +3.6k +3,626
42 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 8,3578.4k $133.4k $133.4k 0.00% First filing
43 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 7,0247.0k $112.1k $112.1k 0.00% Added +6.8k +6,755
44 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 6,7256.7k $107.3k $107.3k 0.00% Added +2.5k +2,496
45 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 6,4856.5k $103.5k $103.5k 0.00% Added +5 +5
46 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 5,2485.2k $83.8k $83.8k 0.00% Reduced -1.8k -1,755
47 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 5,1845.2k $82.7k $82.7k 0.00% Added +1.7k +1,708
48 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 4,8814.9k $77.9k $77.9k 0.00% First filing
49 UBS Group AG 0.00% of their portfolio ZURICH, V8 4,7964.8k $76.5k $76.5k 0.00% Reduced -5.3k -5,261
50 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 3,3993.4k $54.2k $54.2k 0.00% Reduced -37.2k -37,211
51 Point72 (DIFC) Ltd 0.00% of their portfolio DUBAI, C0 2,6212.6k $41.8k $41.8k 0.00% New
52 Legal & General Group Plc 0.00% of their portfolio London, X0 1,6781.7k $26.8k $26.8k 0.00% Added +825 +825
53 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,4711.5k $23.0k $23.0k 0.00% Added +1.2k +1,236
54 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,1751.2k $18.8k $18.8k 0.00% Unchanged
55 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,1261.1k $18.0k $18.0k 0.00% Added +116 +116
56 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 706706 $11.0k $11.0k 0.00% Reduced -1.3k -1,346
57 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 353353 $5.6k $5.6k 0.00% New
58 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 337337 $5.0k $5.0k 0.00% Unchanged
59 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 7676 $1.2k $1.2k 0.00% New
60 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 3232 $511 $511 0.00% Added +23 +23
61 CWM, LLC 0.00% of their portfolio OMAHA, NE 22 $0 $0 0.00% Added +1 +1
62 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged