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Publications

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  • All HBS Web  (220)
    • People  (1)
    • News  (36)
    • Research  (168)
  • Faculty Publications  (90)

Show Results For

  • All HBS Web  (220)
    • People  (1)
    • News  (36)
    • Research  (168)
  • Faculty Publications  (90)
← Page 3 of 220 Results →
  • 2016
  • Working Paper

Shareholder Activism on Sustainability Issues

By: Jody Grewal, George Serafeim and Aaron Yoon
Shareholder activism on sustainability issues has become increasingly prevalent over the years, with the number of proposals filed doubling from 1999 to 2013. We use recent innovations in accounting standard setting to classify 2,665 shareholder proposals that address... View Details
Keywords: Sustainability; Activism; Activist Investors; Activist Shareholder; Corporate Social Responsibility; Environment; Corporate Performance; Corporate Accountability; Corporate Social Responsibility and Impact; Performance; Environmental Sustainability; Corporate Governance; Business and Shareholder Relations; Investment Activism
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Grewal, Jody, George Serafeim, and Aaron Yoon. "Shareholder Activism on Sustainability Issues." Harvard Business School Working Paper, No. 17-003, July 2016.
  • March 2016 (Revised October 2023)
  • Case

Central European Distribution Corporation: Hostile Takeover, Bankruptcy Makeover

By: Stuart C. Gilson and Sarah L. Abbott
In early 2013, Central European Distribution Corporation (CEDC), a large publicly traded producer and distributer of vodka and spirits in Eastern and Central Europe, has suffered significant declines in its financial performance, is at risk of defaulting on its debt,... View Details
Keywords: Hostile Takeover; Accounting Restatement; Activist Shareholder; Restructuring; Mergers and Acquisitions; Financial Statements; Corporate Governance; Investment Activism; Distribution Industry; Food and Beverage Industry; United States; Russia; Europe
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Gilson, Stuart C., and Sarah L. Abbott. "Central European Distribution Corporation: Hostile Takeover, Bankruptcy Makeover." Harvard Business School Case 216-059, March 2016. (Revised October 2023.)
  • May 2015
  • Teaching Note

Aviva Investors

By: George Serafeim
Keywords: Responsibility; Responsibilities To Society; Sustainability; Sustainability Reporting; Corporate Social Responsibility; Corporate Sustainability; Activist Investors; Investment Management; Investment Strategy; Corporate Accountability; Corporate Social Responsibility and Impact; Integrated Corporate Reporting; Environmental Sustainability; Investment Activism
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Serafeim, George. "Aviva Investors." Harvard Business School Teaching Note 115-058, May 2015.
  • September 2015 (Revised September 2017)
  • Case

Pershing Square 2.0

By: Robin Greenwood, Samuel Hanson and David Biery
In June 2015 William A. Ackman, the CEO and founder of New York hedge fund Pershing Square Capital, reflects on the success of the fund he has spent over a decade building. Since its inception in 2004, Pershing Square's assets under management had grown from $500... View Details
Keywords: Activism; Value Investing; Portfolio Management; Management; Investment Portfolio; Investment Activism
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Greenwood, Robin, Samuel Hanson, and David Biery. "Pershing Square 2.0." Harvard Business School Case 216-003, September 2015. (Revised September 2017.)
  • June 2016 (Revised May 2017)
  • Case

FANUC Corporation: Reassessing the Firm's Governance and Financial Policies

By: Benjamin C. Esty, Nobuo Sato and Akiko Kanno
In February 2015, Daniel Loeb (a U.S.–based activist investor) announced his firm had a large investment in FANUC Corporation, a leading producer of industrial robots and software for machine tools. Loeb was demanding that the Japanese firm change its financial and... View Details
Keywords: Hedge Funds; Economic Policy; Investments; Government Policy; Deregulation; Financial Management; Valuation; Investment Funds; Policy; Corporate Governance; Macroeconomics; Investment Activism; Change Management; Financial Strategy; Cross-Cultural and Cross-Border Issues; Japan; United States
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Esty, Benjamin C., Nobuo Sato, and Akiko Kanno. "FANUC Corporation: Reassessing the Firm's Governance and Financial Policies." Harvard Business School Case 216-042, June 2016. (Revised May 2017.)
  • 01 Sep 2023
  • News

In My Humble Opinion: Futures Investor

In the half-century since his graduation, Theodore Roosevelt IV (MBA 1972) has earned widespread respect as both a forward-thinking investment banker and an influential activist through his efforts to... View Details
Keywords: Deborah Blagg; climate change; investment banking; leadership; carbon tax
  • January 2016 (Revised January 2019)
  • Supplement

The Allergan Board Under Fire (B)

By: Lynn S. Paine, Suraj Srinivasan, John C. Coates and David Lane
In 2014, the Allergan Inc. board of directors received a surprise takeover offer from Valeant Pharmaceuticals in alliance with hedge fund activist Bill Ackman's Pershing Square Capital Management. In the unprecedented arrangement between an acquirer and a hedge fund... View Details
Keywords: Allergan, Inc.; Valeant; Ackman; Pershing Square; Tender Offer; Activist Investors; Business Models; R&D; Board Of Directors; Securities Litigation; Acquisition Strategy; Takeover Defenses; Hedge Funds; Shareholder Rights; Proxy Contest; Shareholder Special Meetings; Legal Issues In Contested Takeovers; Corporate Governance; Investment Activism; Business and Stakeholder Relations; Business Model; Business and Shareholder Relations; Valuation; Pharmaceutical Industry
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Paine, Lynn S., Suraj Srinivasan, John C. Coates, and David Lane. "The Allergan Board Under Fire (B)." Harvard Business School Supplement 316-029, January 2016. (Revised January 2019.)
  • April 2023
  • Case

Elliott Management: Capital Allocation in Biopharma

By: Amitabh Chandra, Paul Clancy and Lauren Gunasti
The case explores the intersection of capital allocation and shareholder activism in the biopharmaceutical industry. As many biopharma companies face looming patent expirations for key medicines, the case asks the question of whether investing in R&D and M&A is an... View Details
Keywords: Finance; Strategy; Capital Allocation; Biopharmaceutical Industry; Shareholder Activism; Investment Activism; Resource Allocation; Research and Development; Business and Shareholder Relations; Corporate Strategy; Pharmaceutical Industry
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Chandra, Amitabh, Paul Clancy, and Lauren Gunasti. "Elliott Management: Capital Allocation in Biopharma." Harvard Business School Case 623-045, April 2023.
  • February 2025
  • Supplement

Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (B)

By: Charles CY Wang and Billy Chan
For years, institutional investors had experienced very limited success in influencing the management of listed companies through shareholder activist campaigns in Korea. The common practice of circular ownership and public resentment toward foreign shareholder... View Details
Keywords: Financial Reporting; Public Equity; Stocks; Investment Activism; Music Entertainment; Corporate Governance; Success; Business and Shareholder Relations; Entertainment and Recreation Industry; South Korea
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Wang, Charles CY, and Billy Chan. "Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (B)." Harvard Business School Supplement 125-066, February 2025.
  • February 2025 (Revised May 2025)
  • Case

Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (A)

By: Charles C.Y. Wang and Billy Chan
For years, institutional investors had experienced very limited success in influencing the management of listed companies through shareholder activist campaigns in Korea. The common practice of circular ownership and public resentment toward foreign shareholder... View Details
Keywords: Financial Reporting; Public Equity; Stocks; Investment Activism; Music Entertainment; Corporate Governance; Success; Business and Shareholder Relations; Entertainment and Recreation Industry; South Korea
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Wang, Charles C.Y., and Billy Chan. "Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (A)." Harvard Business School Case 125-065, February 2025. (Revised May 2025.)
  • January 2020 (Revised April 2020)
  • Case

Fossil Fuel Divestment (Abridged)

By: Michael W. Toffel and Sarah Gulick
The president of Harvard University is facing growing pressure from students, alumni, and other climate change activists that are urging the university to divest its multi-billion dollar endowment from fossil fuel companies. The case summarizes the arguments for and... View Details
Keywords: Divestment; Harvard University; Higher Education; Corporate Social Responsibility and Impact; Environmental Sustainability; Climate Change; Public Opinion; Ethics; Education Industry
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Toffel, Michael W., and Sarah Gulick. "Fossil Fuel Divestment." Harvard Business School Case 620-093, January 2020. (Revised April 2020.)
  • 28 Mar 2017
  • News

Japan’s Misaki Capital teaches Harvard about taking the long view

  • September 2015 (Revised February 2016)
  • Supplement

Novell (B): Board of Directors Aftermath of Hedge Fund Attack

By: Richard L. Nolan
No corporation and its board of directors is immune to a disruptive shareholder activist attack. The Novell (A) and (B) cases take students through a shareholder activist attack and its aftermath—a saga that spanned 5 years. The cases outline the activist playbook in... View Details
Keywords: Investment Activism; Governing and Advisory Boards; Decision Making
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Nolan, Richard L. "Novell (B): Board of Directors Aftermath of Hedge Fund Attack." Harvard Business School Supplement 916-405, September 2015. (Revised February 2016.)
  • 2007
  • Working Paper

Hedge Fund Investor Activism and Takeovers

By: Robin Greenwood and Michael Schor
We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance
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Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." Harvard Business School Working Paper, No. 08-004, July 2007.
  • January 2018
  • Case

PrimeStone Capital and dormakaba

By: Suraj Srinivasan and Quinn Pitcher
London-based activist hedge fund PrimeStone Capital identifies a potential investment in Swiss security company Kaba. PrimeStone believes that the company is undervalued because it has been pushing back various financial targets and thinks it can help by proposing a... View Details
Keywords: Investment Activism; Value Creation; Executive Compensation; Performance Improvement
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Srinivasan, Suraj, and Quinn Pitcher. "PrimeStone Capital and dormakaba." Harvard Business School Case 118-047, January 2018.
  • 07 Dec 2014
  • News

How Wall Street Bent Steel

  • 2007
  • Other Unpublished Work

Hedge Fund Investor Activism and Takeovers

By: Robin Greenwood and Michael Schor
We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are acquired ex-post, but not... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance
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Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." 2007.
  • Article

Investor Activism and Takeovers

By: Robin Greenwood and Michael Schor
Recent work documents large positive abnormal returns around the time that a hedge fund announces its activist intentions with a publicly listed firm. We show that these returns are largely explained by the ability of activists to force target firms into a takeover: In... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Public Ownership
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Greenwood, Robin, and Michael Schor. "Investor Activism and Takeovers." Journal of Financial Economics 92, no. 3 (June 2009): 362–375.
  • January 2018
  • Case

Blue Harbour's Activism at Babcock & Wilcox

By: Suraj Srinivasan and Quinn Pitcher
The case describes Blue Harbour Group's investment in Babcock & Wilcox and its transformation into BWX Technologies. In 2004, activist hedge fund Blue Harbour Group invested in Babcock & Wilcox, an energy and construction company. Blue Harbour developed an investment... View Details
Keywords: Corporate Governance; Investment Activism; Leading Change; Energy Industry; Construction Industry; United States
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Srinivasan, Suraj, and Quinn Pitcher. "Blue Harbour's Activism at Babcock & Wilcox." Harvard Business School Case 118-045, January 2018.
  • 20 May 2014
  • News

The Misdirected War on Corporate Short-Termism

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