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Viking Global reports 3.48M shares in PepGen (NASDAQ: PEPG)

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Form Type
SCHEDULE 13G/A

Rhea-AI Filing Summary

PepGen Inc. ownership update: Viking Global Investors and related entities report beneficial ownership of 3,482,434 shares of Common Stock, equal to 5.03% of the class based on 69,167,958 shares outstanding as of March 31, 2026.

This Amendment No. 1 removes David C. Ott as a Reporting Person effective March 31, 2026, and confirms the filing parties and their shared voting and dispositive powers over the disclosed shares.

Positive

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Negative

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Insights

Viking Global and affiliates report a 5.03% stake in PepGen.

Viking Global Investors, its affiliated GP entities and two named individuals are reported as beneficial owners of 3,482,434 shares, reflecting 5.03% of the outstanding common stock as of March 31, 2026.

Filing clarifies chain of control: ownership is held directly by VGOP and KAVRA 16, with shared voting and dispositive power exercised by the reporting entities. Timing and cash‑flow treatment of any future sales are not disclosed in the excerpt.

Amendment removes a former reporting person and restates beneficial ownership.

The amendment states that David C. Ott retired and no longer beneficially owns shares, prompting this filing to remove him as a Reporting Person effective March 31, 2026.

The filing cites Rule 13d-3 for attribution and lists shared voting/dispositive powers across the listed entities; signatures and authorization references are included for recordkeeping.

Beneficial ownership (VGI & affiliates) 3,482,434 shares reported in Item 4 as of March 31, 2026
KAVRA 16 holding 1,030,680 shares directly owned by KAVRA 16 per Item 4
Shares outstanding used for percent 69,167,958 shares shares outstanding as of March 31, 2026 (source: issuer Form 10-Q)
beneficially own / beneficial ownership regulatory
"VGI beneficially owns 3,482,434 shares of Common Stock consisting of (i) 2,451,754 shares... "
Rule 13d-3 regulatory
"Based on Rule 13d-3, as amended (the "Act"), VGI may be deemed to beneficially own the shares..."
Rule 13d-3 defines who is treated as the beneficial owner of a company’s shares for U.S. securities disclosure rules — essentially anyone who has the power to vote or direct how shares are voted, or the power to buy or sell them, even if they don’t hold the certificates. For investors this matters because crossing certain ownership thresholds triggers public filing and disclosure obligations and signals potential control or influence, much like having the keys to a car implies you can drive it even if it’s registered to someone else.
Schedule 13G/A regulatory
"Amendment No. 1 ... Item 1. (a) Name of issuer: PepGen Inc."
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What stake does Viking Global report in PepGen (PEPG)?

Viking Global and affiliates report owning 3,482,434 shares, representing 5.03% of PepGen's outstanding common stock. This percentage is calculated using 69,167,958 shares outstanding as of March 31, 2026, per the issuer's Form 10-Q.

Which entities control the reported PepGen shares?

The shares are directly held by VGOP (2,451,754) and KAVRA 16 (1,030,680), with voting and dispositive power shared by Viking Global entities and named executives. Authority is described under Rule 13d-3 attribution.

Why was Amendment No. 1 filed for PepGen (PEPG)?

The amendment was filed to remove David C. Ott as a Reporting Person after his retirement effective March 31, 2026. The filing restates the remaining Reporting Persons and their beneficial ownership positions.

What percent of PepGen does KAVRA 16 hold and how many shares is that?

KAVRA 16 beneficially owns 1,030,680 shares, representing 1.5% of the class based on 69,167,958 shares outstanding as of March 31, 2026, as cited in the filing's Item 4.





713317105

(CUSIP Number)
03/31/2026

(Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G



VIKING GLOBAL INVESTORS LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of VIKING GLOBAL INVESTORS LP (1)(2)
Date:05/15/2026
Viking Global Opportunities Parent GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Parent GP LLC (1)(2)
Date:05/15/2026
Viking Global Opportunities GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities GP LLC (1)(2)
Date:05/15/2026
Viking Global Opportunities Portfolio GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Portfolio GP LLC (1)(2)
Date:05/15/2026
Viking Global Opportunities Illiquid Investments Sub-Master LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Illiquid Investments Sub-Master LP (1)(2)
Date:05/15/2026
KAVRA 16 LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of KAVRA 16 LLC (1)(2)
Date:05/15/2026
HALVORSEN OLE ANDREAS
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of O. Andreas Halvorsen (1)
Date:05/15/2026
Shabet Rose Sharon
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Rose S. Shabet (2)
Date:05/15/2026

Comments accompanying signature: (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP (for itself and as manager of KAVRA 16 LLC), and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737). (2) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP (for itself and as manager of KAVRA 16 LLC), and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Ms. Shabet on February 12, 2021 (SEC File No. 005-49737).
Exhibit Information

EXHIBIT A - JOINT FILING AGREEMENT