RGEN — REPLIGEN CORPToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
7
all time
Members · 12m
1
1 buys · 2 sells · by trade date
Latest filing
11-21
2025-11-21
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
2
13F holders
441
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 7Institutional 441

Congress · disclosure timeline

By trade date · 24 months · 7 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

7 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in RGEN

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing RGEN in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Lisa C. McClain R–MI-93−$29.0K to $13.0K2

1 member

Congressional disclosures

Newest filed firstAll 7 rows ↗
Latest congressional filings mentioning RGEN
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-31 +21d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9SELL SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-11-21Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 10-30 +22d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 07-22 +22d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9SELL partial · SP (partial sale, spouse-owned)Traded 06-17 LATE·57d$1K–$15K
2025-08-13Lisa C. McClain R–MI-9BUY SP (spouse-owned)Traded 06-11 LATE·63d$1K–$15K
2025-05-08Jefferson Shreve R–IN-6SELLTraded 04-07 +31d$15K–$50K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of RGEN for quarter 2026-03-31, 1–25 of 441 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$706M1
derived ·§ EDGAR ↗
2FMR LLC$340M1
derived ·§ EDGAR ↗
3UNITED CAPITAL FINANCIAL ADVISORS, LLC$327M1
derived ·§ EDGAR ↗
4VANGUARD CAPITAL MANAGEMENT LLC$282M1
derived ·§ EDGAR ↗
5VANGUARD PORTFOLIO MANAGEMENT LLC$272M1
derived ·§ EDGAR ↗
6STATE STREET CORP$209M1
derived ·§ EDGAR ↗
7Bank of New York Mellon Corp$180M1
derived ·§ EDGAR ↗
8MAVERICK CAPITAL LTD$179M1
derived ·§ EDGAR ↗
9MASSACHUSETTS FINANCIAL SERVICES CO /MA/$165M1
derived ·§ EDGAR ↗
10Invesco Ltd.$151M1
derived ·§ EDGAR ↗
11WASATCH ADVISORS LP$147M1
derived ·§ EDGAR ↗
12RTW INVESTMENTS, LP$142M1
derived ·§ EDGAR ↗
13FRANKLIN RESOURCES INC$141M1
derived ·§ EDGAR ↗
14ALLIANCEBERNSTEIN L.P.$136M1
derived ·§ EDGAR ↗
15CITADEL ADVISORS LLC$130M1
derived ·§ EDGAR ↗
16Conestoga Capital Advisors, LLC$129M1
derived ·§ EDGAR ↗
17GEODE CAPITAL MANAGEMENT, LLC$125M1
derived ·§ EDGAR ↗
18AMERIPRISE FINANCIAL INC$109M1
derived ·§ EDGAR ↗
19Vestal Point Capital, LP$109M1
derived ·§ EDGAR ↗
20DIMENSIONAL FUND ADVISORS LP$101M1
derived ·§ EDGAR ↗
21CONGRESS ASSET MANAGEMENT CO$94.0M1
derived ·§ EDGAR ↗
22Stephens Investment Management Group LLC$89.0M1
derived ·§ EDGAR ↗
23Holocene Advisors, LP$83.5M1
derived ·§ EDGAR ↗
24Champlain Investment Partners, LLC$81.7M1
derived ·§ EDGAR ↗
25MORGAN STANLEY$80.6M1
derived ·§ EDGAR ↗
Show all 441 holders
Truncated by Public Filings. All 359 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · RGEN

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
0 — $0 held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · REPLIGEN CORP

Merged timeline of congressional filings and notable-manager moves on RGEN
DateWhoChangeSize
2026-05-15Gotham Asset Management 13FTRIM−21,782 sh
2026-05-15Bridgewater Associates 13FEXIT−7,874 sh
2026-05-15Moore Capital Management 13FEXIT−150,000 sh

3 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)1 buy / 2 sell
Congress net ($ bound)−$29.0K to $13.0K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.