Repligen Corporation
DE ˙ DB ˙ US7599161095
104,00 € ↑7,94 (8,27%)
2026-05-29
CENA AKCJI
SecurityDE:RGN / Repligen Corporation
InstitutionWestpac Banking Corp
Latest Disclosed Ownership11,410 shares
Latest Disclosed Value $ 1,344,326
Westpac Banking Corp reports 7.19% decrease in ownership of RGN / Repligen Corporation

On May 11, 2026 - Westpac Banking Corp filed a 13F-HR form disclosing ownership of 11,410 shares of Repligen Corporation (DE:RGN) valued at $1,101,750 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 12,294 shares of Repligen Corporation. This represents a change in shares of -7.19% during the quarter. The current value of the position is $1,186,640 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F REPLIGEN COM 759916109 11,410 -884 -7.19 1,344 -33.27 0.0468
2026-02-10 2025-12-31 13F REPLIGEN COM 759916109 12,294 -822 -6.27 2,014 14.89 0.1272
2025-11-14 2025-09-30 13F/A-1 REPLIGEN CORP USD 0.01 COM 759916109 13,116 -6,592 -33.45 1,753 -28.48 0.1087
2025-11-12 2025-09-30 13F REPLIGEN CORP USD 0.01 COM 759916109 13,116 -6,592 1,753 0.0440
2025-08-11 2025-06-30 13F REPLIGEN COM 759916109 19,708 -8,748 -30.74 2,451 -32.29 0.1639
2025-05-13 2025-03-31 13F REPLIGEN COM 759916109 28,456 6,731 30.98 3,621 15.77 0.2664
2025-02-12 2024-12-31 13F REPLIGEN COM 759916109 21,725 3,305 17.94 3,127 14.08 0.2075
2024-11-08 2024-09-30 13F REPLIGEN COM 759916109 18,420 18,420 2,741 0.1838
2023-08-10 2023-06-30 13F REPLIGEN COM 759916109 0 -5,467 -100.00 0 -100.00
2023-05-04 2023-03-31 13F REPLIGEN COM 759916109 5,467 2,357 75.79 920 74.90 0.0124
2023-02-06 2022-12-31 13F REPLIGEN COM 759916109 3,110 3,110 527 0.0078
2022-05-10 2022-03-31 13F REPLIGEN COM 759916109 0 -25,200 -100.00 0 -100.00
2022-02-08 2021-12-31 13F REPLIGEN COM 759916109 25,200 -6,400 -20.25 6,674 -26.93 0.0691
2021-10-27 2021-09-30 13F REPLIGEN COM 759916109 31,600 -3,200 -9.20 9,132 31.47 0.0976
2021-08-11 2021-06-30 13F REPLIGEN COM 759916109 34,800 4,259 13.95 6,947 17.00 0.0697
2021-05-13 2021-03-31 13F REPLIGEN COM 759916109 30,541 -3,962 -11.48 5,937 -10.20 0.0655
2021-02-11 2020-12-31 13F REPLIGEN COM 759916109 34,503 34,503 6,612 0.0750
2020-11-10 2020-09-30 13F REPLIGEN COM 759916109 0 -31,900 -100.00 0 -100.00
2020-08-12 2020-06-30 13F REPLIGEN COM 759916109 31,900 -67,812 -68.01 3,943 -59.04 0.0588
2020-05-14 2020-03-31 13F REPLIGEN COM 759916109 99,712 99,712 9,626 0.1659
2019-11-13 2019-09-30 13F REPLIGEN COM 759916109 0 -86,885 -100.00 0 -100.00
2019-08-01 2019-06-30 13F REPLIGEN COM 759916109 86,885 -8,000 -8.43 7,468 33.22 0.1140
2019-05-14 2019-03-31 13F REPLIGEN COM 759916109 94,885 8,100 9.33 5,606 22.46 0.0925
2019-02-07 2018-12-31 13F REPLIGEN COM 759916109 86,785 86,785 4,577 0.0780
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.