InvestorLens

RGEN — REPLIGEN CORP

Public company

Sign in to save6 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying RGEN?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
50
Institutional Conviction
Mixed · 2 buying vs 2 selling last quarter
46
Macro Tailwind
Macro conditions are mixed for this sector
52
Why? — Evidence & Confidence ▾

Of 4 tracked investors who changed their RGEN position last quarter, 2 bought and 2 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Howard Marks, Howard Marks)
  • +6 tracked investors reported holding RGEN at their latest filing
Contradicting evidence — always shown
  • −2 tracked investors reduced or exited last quarter (0 reduced, 2 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About REPLIGEN CORP (RGEN)

REPLIGEN CORP (RGEN) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Steve Cohen (Point72 Asset Management), valued at $165M. Across recent filings, tracked investors recorded 3 new positions, 0 increased, 2 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in RGEN

43
/100
Mixed Activity
Added / Increased3
Reduced2
Exited2
BearishBullish
Crowded Trade Score™

How many top investors track RGEN

40
/100
Moderate Interest
6investors

Several tracked investors have exposure.

UndiscoveredCrowded
151015+

RGEN Ownership Composition

How REPLIGEN CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
65% of tracked value
Institutions
6
tracked investors
Total Reported
$217.2M
combined 13F value
Sectors2
  • Other65.1%
  • Hedge Funds34.9%
Other(4)
65.1%
Hedge Funds(2)
34.9%

Tracked investors reporting RGEN

  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    569.5K
    Value
    $67.1M
    % Portfolio
    0.09%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    1.2M
    Value
    $136.8M
    % Portfolio
    0.02%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    36.5K
    Value
    $4.3M
    % Portfolio
    0.00%
  • Howard MarksMar 31, 2026
    Oaktree Capital Management
    Shares
    9M
    Value
    $8.8M
    % Portfolio
    0.14%
  • Paul Tudor JonesDec 31, 2025
    Tudor Investment Corp
    Shares
    1.3K
    Value
    $213K
    % Portfolio
    0.00%
  • Ray DalioDec 31, 2025
    Bridgewater Associates
    Shares
    7.9K
    Value
    $1.3K
    % Portfolio
    0.00%

Recent activity

Frequently asked questions

How many institutional investors hold RGEN?
6 tracked institutional investors disclosed a position in RGEN (REPLIGEN CORP) in their most recent 13F filing.
Who is the largest institutional holder of RGEN?
Steve Cohen, Point72 Asset Management, holds the largest disclosed position in RGEN, valued at $165M.
Did institutional ownership of RGEN increase or decrease?
Across recent 13F filings, tracked investors recorded 3 new positions, 0 increased, 2 reduced, and 2 fully exited RGEN.
Where does this RGEN ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.