2026-10-06
AI summary pending
View Full Filing (SEC EDGAR)Repligen CORP
$178.20+1.6%
+$1.2B
Net Activity
+14.28% total shares
Institutions Holding
488
Popularity Rank
#1217
Avg Weight
0.13%
Total Value
$9.2B
Market Cap
$10.1M
488 institutions currently hold RGEN, with 285 net buyers and 198 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
198
Net Buying Institutions
285
Top 5 by Value
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Across its top 20 institutional holders, RGEN's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 37/100).
RGEN ranks #1217 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
488 institutions disclose a position in RGEN, but none treat it as a major bet — even Conestoga Capital Advisors, LLC, its most concentrated holder, allocates just 2.9% of its own portfolio to it.
Congress Asset Management Co has added to its RGEN position for two straight quarters, increasing it by $102.2M to reach $196.2M today.
RGEN is up 1.6% today, and institutions have been net buyers of $1.2B this quarter — today's price move and the underlying institutional flow are pointing the same direction.
RGEN posted net income of $41.5M over the trailing twelve months, and currently trades at a P/E of 0.2.
+$1.6B
Total Buy Value
$1.3B
Total Sell Value
285
Net Buyers
198
Net Sellers
RGEN
Q2 2026
Top 5 Institutional Movers
RGEN does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
6
Filings (90d)
$5.95M
Total Est. Value
32K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| Loeillot Olivier | 2026-10-05 | $798K |
| Loeillot Olivier | 2026-10-05 | $238K |
| Loeillot Olivier | 2026-09-24 | $2.46M |
| Loeillot Olivier | 2026-09-21 | $977K |
| Loeillot Olivier | 2026-09-04 | $504K |
| Loeillot Olivier | 2026-08-20 | $977K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| FMR LLC | 13G/A | 2026-10-07 | 13.0% |
| T. Rowe Price Associates, Inc. | 13G/A | 2026-08-14 | 3.1% |
5
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)Karen A. Dawes, a Repligen Corporation (RGEN) board member for over twenty years, notified the company on September 10, 2026 that she will retire from the Board effective September 30, 2026. In her remarks, she noted that a CEO transition has been successfully completed and that she believes now is the right time to step down. The filing states clearly that her retirement is not due to any disagreement with the company's operations, policies, or procedures.
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)Repligen Corporation (ticker: RGEN) released its Q2 2026 financial results on July 28, 2026, attaching the full press release as Exhibit 99.1 to this 8-K. The filing is for informational purposes only and is not considered “filed” under securities laws, meaning the company isn't taking on legal liability for the content in this form.
View Full Filing (SEC EDGAR)Repligen (RGEN) announced it will acquire BioLife Solutions in a cash-and-stock deal. Each BioLife share will be exchanged for $11.25 cash and 0.1442 shares of Repligen common stock. The merger is approved by both boards and subject to BioLife shareholder approval, antitrust clearance, and other closing conditions.
View Full Filing (SEC EDGAR)759916109
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Access RGEN's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/RGENCLI
npx alphasmo stocks get RGEN