RGEN β€” REPLIGEN CORP

Ownership history in Edgestream Partners, L.P.  Β·  12 quarters on record

This page tracks every 13F SEC filing in which Edgestream Partners, L.P. reported a position in REPLIGEN CORP (RGEN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.42% (2021 Q4)
πŸ“Š Avg. % of fund
0.18%
πŸ“… First filed
2021 Q2
πŸ“… Last filed
2025 Q3
⏱ Quarters held
12

Position Intelligence

Edgestream Partners, L.P. Γ— RGEN AI Analytics

πŸ“‰ Edgestream Partners, L.P. underperformed the S&P 500 by –28.0% annually on this RGEN position. Timing score: 55% (6/11 decisions correct). Average cost basis: $184.20. Maximum drawdown during holding period: –57.0%.

πŸ“ˆ Position Alpha vs SPY
-28.0%
annualised excess return

❌ Significantly underperformed the S&P 500 by 28.0% ann.
11 quarters analyzed

⏱️ Timing Score
55%

βœ… Decent timing β€” more right than wrong on entries and exits.
6 of 11 add/trim decisions correct

πŸ’° Entry Quality
$184.20
-27.4% vs current ($133.67)

Best entry: $124.38 (2025 Q2)  Β·  Worst: $288.99 (2021 Q3)

πŸ›‘οΈ Drawdown Resilience
–57.0%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
58%
buy-side decisions

7 adds Β· 5 trims. Bought during 4 of 7 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.04% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    RGEN price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 10,398 -17,610 -62.9% 0.04% $1.4M $133.67
2025 Q2 ADDED 28,008 +17,597 +169.0% 0.10% $3.5M $124.38
2024 Q4 ADDED 10,411 +7,966 +325.8% 0.06% $1.5M $143.94
2024 Q2 REDUCED 2,445 -35 -1.4% 0.01% $308K $126.06
2023 Q1 REDUCED 2,480 -7,681 -75.6% 0.05% $418K $168.36
2022 Q4 ADDED 10,161 +643 +6.8% 0.19% $1.7M $169.31
2022 Q3 REDUCED 9,518 -15,147 -61.4% 0.14% $1.8M $187.11
2022 Q2 ADDED 24,665 +2,874 +13.2% 0.32% $4.0M $162.40
2022 Q1 REDUCED 21,791 -3,662 -14.4% 0.33% $4.1M $188.09
2021 Q4 ADDED 25,453 +2,762 +12.2% 0.42% $6.7M $264.84
2 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding RGEN

As of 2025 Q4 β€” sorted by position size

Iron Triangle Partners LP 3Y 6.0% 12 West Capital Management LP 3Y 7Y 4.71% BROWN CAPITAL MANAGEMENT LLC 3Y 7Y 3.68% Conestoga Capital Advisors, LLC 3Y 7Y 2.92% UNITED CAPITAL FINANCIAL ADVISORS, LLC 3Y 7Y 2.73% Blue Whale Capital LLP 3Y 2.59% AMERICAN CAPITAL MANAGEMENT INC 3Y 7Y 2.42% Avidity Partners Management LP 3Y 2.38% Ranger Investment Management, L.P. 3Y 7Y 1.83% RTW INVESTMENTS, LP 3Y 7Y 1.75%
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