MASSACHUSETTS FINANCIAL SERVICES CO /MA/ has opened a new $199.2M position in $RGEN, per a new SEC 13F filing. This disclosure reflects the funds' holdings for the 12-31-2025 report period. You can see the fund's full portfolio on Quiver Quantitative, and also track the largest institutional owners of $RGEN.
$RGEN Hedge Fund Activity
We have seen 242 institutional investors add shares of $RGEN stock to their portfolio, and 209 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- PRICE T ROWE ASSOCIATES INC /MD/ removed 3,096,576 shares (-46.9%) from their portfolio in Q3 2025, for an estimated $413,919,313
- UNITED CAPITAL FINANCIAL ADVISORS, LLC added 2,755,943 shares (+inf%) to their portfolio in Q3 2025, for an estimated $368,386,900
- SANDS CAPITAL MANAGEMENT, LLC removed 1,251,088 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $167,232,932
- MASSACHUSETTS FINANCIAL SERVICES CO /MA/ added 1,215,527 shares (+inf%) to their portfolio in Q4 2025, for an estimated $199,176,254
- FMR LLC added 1,077,908 shares (+66.8%) to their portfolio in Q3 2025, for an estimated $144,083,962
- CITADEL ADVISORS LLC added 621,664 shares (+58.5%) to their portfolio in Q3 2025, for an estimated $83,097,826
- BALYASNY ASSET MANAGEMENT L.P. added 610,837 shares (+390.6%) to their portfolio in Q3 2025, for an estimated $81,650,581
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$RGEN Insider Trading Activity
$RGEN insiders have traded $RGEN stock on the open market 22 times in the past 6 months. Of those trades, 1 have been purchases and 21 have been sales.
Here’s a breakdown of recent trading of $RGEN stock by insiders over the last 6 months:
- ANTHONY HUNT has made 0 purchases and 18 sales selling 74,111 shares for an estimated $10,522,606.
- OLIVIER LOEILLOT (Chief Executive Officer) sold 7,041 shares for an estimated $1,196,970
- JAMES BYLUND (Chief Operating Officer) sold 2,191 shares for an estimated $331,301
- MARTIN D MADAUS purchased 1,800 shares for an estimated $201,830
- KAREN A DAWES sold 275 shares for an estimated $44,275
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$RGEN Congressional Stock Trading
Members of Congress have traded $RGEN stock 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $RGEN stock by members of Congress over the last 6 months:
- REPRESENTATIVE LISA C. MCCLAIN has traded it 3 times. They made 1 purchase worth up to $15,000 on 10/30 and 2 sales worth up to $30,000 on 10/31, 10/30.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$RGEN Analyst Ratings
Wall Street analysts have issued reports on $RGEN in the last several months. We have seen 6 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Barclays issued a "Overweight" rating on 10/29/2025
- Evercore ISI Group issued a "Outperform" rating on 10/07/2025
- HSBC issued a "Buy" rating on 10/01/2025
- HC Wainwright & Co. issued a "Buy" rating on 09/03/2025
- RBC Capital issued a "Outperform" rating on 07/30/2025
- Wells Fargo issued a "Overweight" rating on 07/30/2025
To track analyst ratings and price targets for $RGEN, check out Quiver Quantitative's $RGEN forecast page.
$RGEN Price Targets
Multiple analysts have issued price targets for $RGEN recently. We have seen 9 analysts offer price targets for $RGEN in the last 6 months, with a median target of $180.0.
Here are some recent targets:
- Dan Leonard from UBS set a target price of $200.0 on 01/16/2026
- Brandon Couillard from Wells Fargo set a target price of $190.0 on 12/15/2025
- Luke Sergott from Barclays set a target price of $200.0 on 12/15/2025
- Kyle Mikson from Canaccord Genuity set a target price of $165.0 on 10/29/2025
- Daniel Markowitz from Evercore ISI Group set a target price of $175.0 on 10/07/2025
- Yessica Sanchez from HSBC set a target price of $150.0 on 10/01/2025
- Matthew Stanton from Jefferies set a target price of $135.0 on 09/12/2025
Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.
Check out Quiver Quantitative's $RGEN ticker page for more data.