Research, Development, And Testing Services - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2026-04-14 13D/A ABSI / Absci Corporation Redmile Group, LLC 7,607,449 4.90 -7.83
2026-03-27 13D/A NRC / NRC Health Common Property Trust 10,575,634 46.50 -0.09
2026-03-26 13D/A ABSI / Absci Corporation Redmile Group, LLC 8,253,316 5.40 -0.98
2026-03-24 13D BNBX / BNB Plus Corp. Comstock MultiChain Fund, L.P. 604,602 9.90
2026-02-10 13D/A INCY / Incyte Corporation Baker Bros. Advisors Lp 31,213,417 15.70 0.01
2025-12-01 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 5,682,934 20.00 -5.57
2025-10-24 13D MXCT / MaxCyte, Inc. River & Mercantile Asset Management Llp 5,497,452 5.20
2025-04-29 13D/A ABSI / Absci Corporation Redmile Group, LLC 8,335,116 6.50 0.64
2025-04-10 13D/A NRC / NRC Health Common Property Trust 10,585,664 46.10 174.65
2025-03-11 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 6,018,308 19.50 -0.88
2024-10-29 13D/A LUNA / Luna Innovations Incorporated White Hat Capital Partners LP 10,390,902 9.99 2.23
2024-09-23 13D/A FOXO / FOXO Technologies Inc. Rennova Health, Inc. 1,023,629 7.51 0.00
2024-08-05 13D FOXO / FOXO Technologies Inc. Rennova Health, Inc. 1,023,629 7.63
2024-07-24 13D/A FOXO / FOXO Technologies Inc. Ward Martin Christopher 0 0.00 -100.00
2024-07-24 13D/A FOXO / FOXO Technologies Inc. White Mark Brian 0 0.00 -100.00
2024-07-24 13D/A FOXO / FOXO Technologies Inc. Christopher Spencer C 0 0.00 -100.00
2024-07-23 13D/A LUNA / Luna Innovations Incorporated White Hat Capital Partners LP 10,164,615 9.99 8.96
2024-07-02 13D/A OABI / OmniAb, Inc. Avista Capital Managing Member V, LLC 27,248,304 21.10
2024-06-14 13D/A INCY / Incyte Corporation Baker Bros. Advisors Lp 31,209,896 16.30 -14.89
2024-05-13 13D/A INCY / Incyte Corporation Baker Bros. Advisors Lp 36,669,079 16.30 0.00
2024-05-09 13D/A INCY / Incyte Corporation Baker Bros. Advisors Lp 36,669,079 16.30 0.08
2024-04-03 13D/A NOTV / Inotiv, Inc. Jermyn Street Associates LLC 1,260,024 4.89 -8.58
2024-03-08 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 6,071,852 19.40 -6.54
2024-03-05 13D/A ABSI / Absci Corporation Redmile Group, LLC 8,282,016 7.40 3.12
2024-03-05 13D/A NRC / NRC Health Common Property Trust 3,854,284 16.20
2024-02-28 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 6,496,852 20.80 -4.61
2024-02-15 13D FOXO / FOXO Technologies Inc. Christopher Spencer C 1,300,000 14.53
2024-02-09 13D/A FOXO / FOXO Technologies Inc. White Mark Brian 1,300,000 14.51 -16.13
2024-02-09 13D/A FOXO / FOXO Technologies Inc. Ward Martin Christopher 1,300,000 14.51 -16.13
2024-02-05 13D FOXO / FOXO Technologies Inc. Ward Martin Christopher 1,550,000 17.33
2024-02-05 13D FOXO / FOXO Technologies Inc. White Mark Brian 1,550,000 17.33
2024-01-04 13D/A NRC / NRC Health Amandla MK Trust 4,762,531 19.40 -10.89
2023-12-27 13D LUNA / Luna Innovations Incorporated White Hat Capital Partners LP 9,328,355 9.99
2023-12-05 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 6,810,606 21.90 -4.55
2023-09-22 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 7,135,606 23.00 -4.79
2023-05-08 13D/A ABSI / Absci Corporation Casdin Capital, LLC 4,448,260 4.80 -19.61
2023-04-17 13D ISPC / iSpecimen Inc. Ross Andrew L. 1,336,730 14.80 0.52
2023-03-20 13D/A ABSI / Absci Corporation Casdin Capital, LLC 5,533,260 6.00 -14.52
2023-03-15 13D/A INCY / Incyte Corporation Baker Bros. Advisors Lp 36,641,462 16.40 0.02
2023-02-13 13D/A ABSI / Absci Corporation Casdin Capital, LLC 6,473,260 7.00 -16.13
2022-12-13 13D/A OABI / OmniAb, Inc. Avista Acquisition LP II 27,325,272 21.60 0.60
2022-11-14 13D OABI / OmniAb, Inc. Avista Acquisition LP II 27,163,423 21.50 381.19
2022-11-01 13D/A NRC / NRC Health Amandla MK Trust 5,344,492 21.60 -6.00
2022-10-06 13D/A NOTV / Inotiv, Inc. Jermyn Street Associates LLC 1,378,280 5.40 -33.65
2022-09-26 13D/A FOXO / FOXO Technologies Inc. DIAC Sponsor LLC 1,169,162 3.50
2022-09-26 13D FOXO / FOXO Technologies Inc. Sabes Jon 6,030,330 18.20
2022-09-21 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 7,494,563 23.90 6.21
2022-09-20 13D/A NOTV / Inotiv, Inc. P2 Capital Partners, LLC 779,463 3.00 -73.55
2022-09-13 13D/A MEDP / Medpace Holdings, Inc. Troendle August J. 7,056,261 22.50 6.17
2022-07-21 13D/A ABSI / Absci Corporation Casdin Capital, LLC 7,718,593 8.30 0.00