Repligen Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:RGEN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
11 Mar 24	SellUS$435,118	Ralf Kuriyel	Individual	2,246	US$193.73
08 Mar 24	SellUS$3,298,437	Anthony Hunt	Individual	16,706	US$202.55
23 Feb 24	SellUS$680,009	James Bylund	Individual	3,433	US$198.08
10 Nov 23	SellUS$557,328	Christine Gebski	Individual	3,788	US$147.13
08 May 23	BuyUS$238,260	Martin Madaus	Individual	1,500	US$161.15

Insider Trading Volume

Insider Buying: RGEN insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of RGEN?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	383	0.000605%
State or Government	52,921	0.0836%
Individual Insiders	264,038	0.417%
Private Companies	3,508,572	5.54%
Institutions	59,474,162	94%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.1%	BlackRock, Inc.	7,859,645	US$1.3b	-0.34%	0.02%
9.09%	The Vanguard Group, Inc.	5,078,294	US$848.9m	0.66%	0.01%
7.9%	T. Rowe Price Group, Inc.	4,413,617	US$737.8m	8.04%	0.07%
4.85%	Roy T Eddleman Living Trust Uad 08/17/2000	2,705,689	US$452.3m	0%	no data
3.37%	FMR LLC	1,882,336	US$314.7m	-15.4%	0.02%
3.05%	State Street Global Advisors, Inc.	1,703,618	US$284.8m	2.99%	0.01%
2.81%	Macquarie Investment Management Business Trust	1,567,281	US$262.0m	24.3%	0.28%
2.73%	Brown Capital Management, LLC	1,525,064	US$254.9m	5.79%	2.91%
2.73%	Artisan Partners Limited Partnership	1,522,743	US$254.5m	-2.19%	0.2%
2.68%	Sands Capital Management, LLC	1,495,337	US$250.0m	-4.78%	0.6%
2.01%	BNY Mellon Asset Management	1,122,149	US$187.6m	-1.59%	0.03%
1.97%	Wellington Management Group LLP	1,101,497	US$184.1m	-21.1%	0.03%
1.76%	Columbia Management Investment Advisers, LLC	984,788	US$164.6m	-14.6%	0.04%
1.67%	William Blair Investment Management, LLC	933,119	US$156.0m	-4.39%	0.2%
1.66%	Champlain Investment Partners, LLC	926,440	US$154.9m	8.33%	0.87%
1.58%	Geode Capital Management, LLC	882,977	US$147.6m	3.61%	0.01%
1.42%	Roy T. Eddleman Charitable Remainder Trust	794,311	US$132.8m	0%	no data
1.39%	AllianceBernstein L.P.	777,025	US$129.9m	-1.03%	0.04%
1.34%	Conestoga Capital Advisors, LLC	747,555	US$125.0m	5.33%	1.82%
1.31%	Invesco Ltd.	731,814	US$122.3m	26.8%	0.03%
1.28%	Harding Loevner LP	716,299	US$119.7m	-1.26%	0.34%
1.22%	Impax Asset Management Group Plc	681,020	US$113.8m	-25.4%	0.28%
1.07%	Point72 Asset Management, L.P.	596,895	US$99.8m	0%	0.2%
1.04%	Voya Investment Management LLC	578,429	US$96.7m	507%	0.1%
0.99%	Parnassus Investments, LLC	550,124	US$92.0m	0%	0.18%