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Zosano Pharma (ZSA) gets new 8.35% investor; Cascade Investment reduces stake in Berkshire Hathaway (BRK.B)

When a person or group of persons acquires beneficial ownership of more than 5% of a company’s equity securities, they are required to file a Schedule 13D or 13G with the SEC. If these groups intend to influence management into changing the business strategy, they are considered “activist” investors. There is considerable academic research that suggest activist investors contribute to excess returns in equities in the subsequent twelve months after the event.

Adage Capital Partners GP LLC has filed an SC 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,000,000 shares of Zosano Pharma Corporation(NASDAQ:ZSAN). This represents 8.35 percent ownership of the company. Zosano Pharma Corporation has declared a standard industrial code (sic) of 2834 which is the “Pharmaceutical Preparations” industry.

Cascade Investment, L.L.C. has filed an SC 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 64,860,672 shares of Berkshire Hathaway, Inc.(NYSE:BRK.B). This represents 4.8 percent ownership of the company. Previously, Cascade Investment, L.L.C. had reported owning 80,071,014 shares, indicating a decrease of -19.00 percent. Berkshire Hathaway, Inc. has declared a standard industrial code (sic) of 6331 which is the “Fire, Marine, and Casualty Insurance” industry.

Investors that acquire 10% or more of a company’s shares, or that gain a board seat, are considered insiders by the SEC and are subject to stricter insider trading filing requirements.

New Activist Investor Filings

Investors that acquire more than 5% of the shares of a company and intend to influence management are considered activist investors and must file a 13D.

Red Violet, Inc. (NASDAQ:RDVT) – Frost Phillip Md Et Al has filed a new SC 13D, reporting a 24.40% ownership stake in Red Violet.

Red Violet, Inc. (NASDAQ:RDVT) – Conlin Matthew has filed a new SC 13D, reporting a 9.70% ownership stake in Red Violet.

SLM Corp. (Sallie Mae) (NASDAQ:SLM) – VA Partners I, LLC has filed a new SC 13D, reporting a 6.40% ownership stake in SLM.

Willbros Group, Inc. (NYSE:WG) – Primoris Services Corp has filed a new SC 13D, reporting a 17.50% ownership stake in Willbros Group.

Red Violet, Inc. (NASDAQ:RDVT) – Schulke Ryan has filed a new SC 13D, reporting a 10.60% ownership stake in Red Violet.

Red Violet, Inc. (NASDAQ:RDVT) – Brauser Michael has filed a new SC 13D, reporting a 13.20% ownership stake in Red Violet.

Homology Medicines, Inc. (NASDAQ:FIXX) – Flynn James E has filed a new SC 13D, reporting a 13.96% ownership stake in Homology Medicines.

Amended Activist Investor Filings

Hemisphere Media Group, Inc. (NASDAQ:HMTV) – InterMedia Partners VII LP has filed an amended Schedule 13D/A, reporting a 45.70% ownership stake in Hemisphere Media Group. This is a decrease of 1.72% from their previous filing.

Berkshire Hathaway, Inc. (NYSE:BRK.B) – Cascade Investment, L.L.C. has filed an amended Schedule 13D/A, reporting a 4.80% ownership stake in Berkshire Hathaway.

Gulf Island Fabrication, Inc. (NASDAQ:GIFI) – Piton Capital Partners Llc has filed an amended Schedule 13D/A, reporting a 7.90% ownership stake in Gulf Island Fabrication. This is an increase of 11.27% from their previous filing.

Cogint, Inc. (NASDAQ:COGT) – Conlin Matthew has filed an amended Schedule 13D/A, reporting a 9.90% ownership stake in Cogint.

Destination XL Group, Inc. (NASDAQ:DXLG) – Red Mountain Capital Partners Llc has filed an amended Schedule 13D/A, reporting a 16.50% ownership stake in Destination XL Group. This is an increase of 3.77% from their previous filing.

Engility Holdings, Inc. New (NYSE:EGL) – General Atlantic Llc has filed an amended Schedule 13D/A, reporting a 48.60% ownership stake in Engility Holdings, Inc.. This is a decrease of 5.26% from their previous filing.

Cogint, Inc. (NASDAQ:COGT) – Schulke Ryan has filed an amended Schedule 13D/A, reporting a 10.90% ownership stake in Cogint.

Engility Holdings, Inc. New (NYSE:EGL) – KKR Fund Holdings L.P. has filed an amended Schedule 13D/A, reporting a 48.60% ownership stake in Engility Holdings, Inc..

Engility Holdings, Inc. New (NYSE:EGL) – Birch Partners, LP has filed an amended Schedule 13D/A, reporting a 48.60% ownership stake in Engility Holdings, Inc.. This is a decrease of 5.26% from their previous filing.

Westmoreland Coal Co. (NASDAQ:WLB) – Gendell Jeffrey L Et Al has filed an amended Schedule 13D/A, reporting a 4.30% ownership stake in Westmoreland Coal Co..

Cogint, Inc. (NASDAQ:COGT) – Frost Phillip Md Et Al has filed an amended Schedule 13D/A, reporting a 24.70% ownership stake in Cogint. This is a decrease of 6.44% from their previous filing.

Cogint, Inc. (NASDAQ:COGT) – Brauser Michael has filed an amended Schedule 13D/A, reporting a 13.20% ownership stake in Cogint. This is an increase of 29.41% from their previous filing.

Hemisphere Media Group, Inc. (NASDAQ:HMTV) – Cinema Aeropuerto, S.A. de C.V. has filed an amended Schedule 13D/A, reporting a 11.80% ownership stake in Hemisphere Media Group. This is a decrease of 8.53% from their previous filing.

Morgan Stanley Emerging Markets Fund, Inc. (NYSE:MSF) – City Of London Investment Group Plc has filed an amended Schedule 13D/A, reporting a 26.10% ownership stake in Morgan Stanley Emerging Markets Fund. This is a decrease of 3.69% from their previous filing.

Eastside Distilling, Inc. (NASDAQ:EDSI) – Wickersham Grover T has filed an amended Schedule 13D/A, reporting a 14.20% ownership stake in Eastside Distilling.

New Passive Investor Filings

Investors that acquire more than 5% of the shares of a company but have no intention of influencing management are considered passive investors and must file a 13G.

Wayfair, Inc. (NYSE:W) – Spruce House Investment Management Llc has filed a new SC 13G, reporting a 6.50% ownership stake in Wayfair.

Gridsum Holding Inc. (NASDAQ:GSUM) – Light Street Capital Management, Llc has filed a new SC 13G, reporting a 5.70% ownership stake in Gridsum Holding.

Fox Factory Holding Corp. (NASDAQ:FOXF) – Virtus Investment Advisers, Inc. has filed a new SC 13G, reporting a 10.86% ownership stake in Fox Factory Holding.

Opes Acquisition Corp. (NASDAQ:OPES) – Weiss Asset Management LP has filed a new SC 13G, reporting a 6.48% ownership stake in Opes Acquisition.

Industrea Acquisition Corp. (NASDAQ:INDU) – Weiss Asset Management LP has filed a new SC 13G, reporting a 7.17% ownership stake in Industrea Acquisition.

Zosano Pharma Corporation (NASDAQ:ZSAN) – Adage Capital Partners GP LLC has filed a new SC 13G, reporting a 8.35% ownership stake in Zosano Pharma.

Kopin Corp. (NASDAQ:KOPN) – Goertek Inc. has filed a new SC 13G, reporting a 10.10% ownership stake in Kopin.

Criteo S.A (NASDAQ:CRTO) – Harris Associates L P has filed a new SC 13G, reporting a 5.40% ownership stake in Criteo S.A.

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