Activist & passive stakes
Investors crossing the 5% ownership line, from SEC Schedule 13D (activist) and 13G (passive) filings. Newest first.
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All filings, new and amended.1–31 of 31
- ActivistAmendment 4Nov 13, 2026Christopher Pavlovski29.9% · 130,255,629 shSEC
- PassiveAmendment 1Nov 13, 2026Continental General Insurance Co8.7% · 2,997,000 shSEC
- ActivistAmendment 1Below 5%Nov 13, 2026Richard Christopher Yetter4.4% · 601,242 shSEC
- PassiveAmendment 7Nov 13, 2026Capital World Investors9.7% · 10,814,817 shSEC
- PassiveNewNov 13, 2026Magnetar Financial Llc6.58% · 950,000 shSEC
- PassiveAmendment 1Nov 13, 2026AQR Capital Management, LLC6.1% · 7,470,602 shSEC
- PassiveAmendment 1Below 5%Nov 13, 2026AQR Capital Management, LLC4.34% · 2,828,474 shSEC
- PassiveAmendment 17Below 5%Nov 13, 2026Ariel Investments, LLC4.7% · 1,371,771 shSEC
- PassiveAmendment 1Below 5%Nov 13, 2026AQR Capital Management, LLC4.3% · 2,671,059 shSEC
- PassiveAmendment 3Nov 13, 2026Cohen & Steers, Inc.14.42% · 49,435,541 shSEC
- PassiveAmendment 1Nov 12, 2026Daniel Kaufman7.7% · 2,898,254 shSEC
- PassiveNewNov 12, 2026Adage Capital Management, L.P.6.24% · 900,000 shSEC
- PassiveNewNov 12, 2026Adage Capital Management, L.P.7.75% · 2,672,244 shSEC
- PassiveNewNov 12, 2026Mizuho Financial Group, Inc.5.9% · 875,000 shSEC
- PassiveNewBelow 5%Nov 12, 2026Schroder Investment Management Group4.5% · 542,414 shSEC
- PassiveNewBelow 5%Nov 12, 2026Schroder Investment Management Group4% · 1,864,326 shSEC
- PassiveAmendment 1Below 5%Nov 10, 2026Bleichroeder LP4.99% · 410,236 shSEC
- PassiveAmendment 1Below 5%Nov 10, 2026Bleichroeder LP4.67% · 80,000 shSEC
- PassiveAmendment 3Below 5%Nov 10, 2026Bleichroeder LP4.67% · 518,827 shSEC
- PassiveAmendment 3Nov 10, 2026Bleichroeder LP8.77% · 663,009 shSEC
- PassiveNewNov 10, 2026Jane Street Group, Llc5.1% · 1,680,408 shSEC
- PassiveNewBelow 5%Nov 10, 2026State Street Corporation4.7% · 36,379,249 shSEC
- PassiveNewNov 9, 2026W. R. Berkley Corporation8.9% · 997,245 shSEC
- PassiveAmendment 1Below 5%Nov 6, 2026Jane Street Group, Llc3.3% · 1,076,577 shSEC
- PassiveAmendment 10Nov 6, 2026Opaleye Management Inc.5.62% · 2,105,000 shSEC
- PassiveAmendment 2Nov 5, 2026Fmr Llc9.4% · 6,482,945 shSEC
- PassiveAmendment 6Below 5%Nov 5, 2026Fmr Llc4.2% · 8,187,741 shSEC
- PassiveAmendment 6Nov 5, 2026Fmr Llc9.1% · 11,205,742 shSEC
- PassiveNewNov 5, 2026Fmr Llc5.6% · 39,184,955 shSEC
- PassiveNewNov 5, 2026Hrtg Gpe, Llc9.5% · 25,429,032 shSEC
- PassiveAmendment 8Below 5%Nov 4, 2026Martine A. Rothblatt4% · 1,725,721 shSEC
| Filing | Symbol | Holder | % Owned | Shares | Filed | SEC filing |
|---|---|---|---|---|---|---|
ActivistAmendment 4 | RUM | Christopher Pavlovski in RUM Group Inc. | 29.9% | 130,255,629 | Nov 13, 2026 | SEC |
PassiveAmendment 1 | BCCQ | Continental General Insurance Co in Bleichroeder Acquisition Corp. III | 8.7% | 2,997,000 | Nov 13, 2026 | SEC |
ActivistAmendment 1Below 5% | HYFM | Richard Christopher Yetter in Hydrofarm Holdings Group, Inc. | 4.4% | 601,242 | Nov 13, 2026 | SEC |
PassiveAmendment 7 | TDUP | Capital World Investors in ThredUp Inc. | 9.7% | 10,814,817 | Nov 13, 2026 | SEC |
PassiveNew | TLAC | Magnetar Financial Llc in Three Lions Acquisition Corp. | 6.58% | 950,000 | Nov 13, 2026 | SEC |
PassiveAmendment 1 | HRB | AQR Capital Management, LLC in H&R Block Inc | 6.1% | 7,470,602 | Nov 13, 2026 | SEC |
PassiveAmendment 1Below 5% | WHR | AQR Capital Management, LLC in Whirlpool Corp /De/ | 4.34% | 2,828,474 | Nov 13, 2026 | SEC |
PassiveAmendment 17Below 5% | SPHR | Ariel Investments, LLC in Sphere Entertainment Co | 4.7% | 1,371,771 | Nov 13, 2026 | SEC |
PassiveAmendment 1Below 5% | PHR | AQR Capital Management, LLC in Phreesia, Inc. | 4.3% | 2,671,059 | Nov 13, 2026 | SEC |
PassiveAmendment 3 | HR | Cohen & Steers, Inc. in Healthcare Realty Trust Inc | 14.42% | 49,435,541 | Nov 13, 2026 | SEC |
PassiveAmendment 1 | HROW | Daniel Kaufman in Harrow, Inc. | 7.7% | 2,898,254 | Nov 12, 2026 | SEC |
PassiveNew | TLAC | Adage Capital Management, L.P. in Three Lions Acquisition Corp. | 6.24% | 900,000 | Nov 12, 2026 | SEC |
PassiveNew | BCCQ | Adage Capital Management, L.P. in Bleichroeder Acquisition Corp. III | 7.75% | 2,672,244 | Nov 12, 2026 | SEC |
PassiveNew | GSHR | Mizuho Financial Group, Inc. in Gesher Acquisition Corp. II | 5.9% | 875,000 | Nov 12, 2026 | SEC |
PassiveNewBelow 5% | HMH | Schroder Investment Management Group in HMH Holding Inc | 4.5% | 542,414 | Nov 12, 2026 | SEC |
PassiveNewBelow 5% | MAN | Schroder Investment Management Group in ManpowerGroup Inc | 4% | 1,864,326 | Nov 12, 2026 | SEC |
PassiveAmendment 1Below 5% | MODD | Bleichroeder LP in Modular Medical, Inc | 4.99% | 410,236 | Nov 10, 2026 | SEC |
PassiveAmendment 1Below 5% | ERNA | Bleichroeder LP in Ernexa Therapeutics Inc. | 4.67% | 80,000 | Nov 10, 2026 | SEC |
PassiveAmendment 3Below 5% | GUER | Bleichroeder LP in Guerrilla RF, Inc. | 4.67% | 518,827 | Nov 10, 2026 | SEC |
PassiveAmendment 3 | CUE | Bleichroeder LP in Cue Biopharma, Inc. | 8.77% | 663,009 | Nov 10, 2026 | SEC |
PassiveNew | AEHR | Jane Street Group, Llc in Aehr Test Systems | 5.1% | 1,680,408 | Nov 10, 2026 | SEC |
PassiveNewBelow 5% | ACHR | State Street Corporation in Archer Aviation Inc | 4.7% | 36,379,249 | Nov 10, 2026 | SEC |
PassiveNew | SAGU | W. R. Berkley Corporation in Shreya Acquisition Group | 8.9% | 997,245 | Nov 9, 2026 | SEC |
PassiveAmendment 1Below 5% | AEHR | Jane Street Group, Llc in Aehr Test Systems | 3.3% | 1,076,577 | Nov 6, 2026 | SEC |
PassiveAmendment 10 | HROW | Opaleye Management Inc. in Harrow, Inc. | 5.62% | 2,105,000 | Nov 6, 2026 | SEC |
PassiveAmendment 2 | GHRS | Fmr Llc in Gh Research Plc | 9.4% | 6,482,945 | Nov 5, 2026 | SEC |
PassiveAmendment 6Below 5% | COHR | Fmr Llc in Coherent Corp | 4.2% | 8,187,741 | Nov 5, 2026 | SEC |
PassiveAmendment 6 | HRB | Fmr Llc in H&R Block Inc | 9.1% | 11,205,742 | Nov 5, 2026 | SEC |
PassiveNew | DHR | Fmr Llc in Danaher Corp | 5.6% | 39,184,955 | Nov 5, 2026 | SEC |
PassiveNew | MAIR | Hrtg Gpe, Llc in Madison Air Solutions Corp | 9.5% | 25,429,032 | Nov 5, 2026 | SEC |
PassiveAmendment 8Below 5% | UTHR | Martine A. Rothblatt in United Therapeutics Corporation | 4% | 1,725,721 | Nov 4, 2026 | SEC |