The Top 150 BSDs
Real-time 13F holding analysis for the industry's most influential institutional investors. Track conviction shifts, new entries, and structural exits.
Real-time 13F holding analysis for the industry's most influential institutional investors. Track conviction shifts, new entries, and structural exits.

The Seasoned Investor and Market Strategist
Name: William Harnisch
Founder and CEO of Peconic Partners: Established Peconic Partners, a New York-based investment firm, where he's known for his strategic leadership and innovative investment approaches.
Former President and Chief Investment Officer of Forstmann-Leff: Prior to founding Peconic Partners, Harnisch served in key roles at Forstmann-Leff, significantly contributing to its growth and success.
Investment Strategy: Renowned for his value-oriented investment approach, focusing on identifying undervalued assets with potential for substantial growth.
Value Investing Focus: Harnisch's investment approach centers on identifying undervalued stocks or assets. He looks for companies trading below their intrinsic value due to various reasons, such as market overreaction, temporary setbacks, or being overlooked by other investors.
Founding Peconic Partners: Establishing and leading Peconic Partners, an investment management firm, is a significant professional accomplishment. Under his leadership, the firm has likely navigated various market cycles and investment environments.
Success in Value Investing: Harnisch is known for his expertise in value investing. His success in this area, including identifying undervalued assets and generating substantial returns, is a noteworthy achievement in the competitive field of investment management.
William Harnisch, renowned for his expertise in the investment sector, possesses a rich tapestry of interests that extend well beyond the realms of finance. Uniquely, he harbors a deep-seated passion for the culinary arts, finding both relaxation and creative expression in gourmet cooking. This pursuit showcases his meticulous attention to detail and a flair for the creative, as he skillfully blends diverse flavors and ingredients to create delightful culinary experiences. Complementing this culinary enthusiasm, Harnisch is also an avid collector of contemporary art, demonstrating his appreciation for aesthetic and cultural expression. His art collection, much like his gourmet endeavors, reflects a keen eye for beauty, value, and the subtle interplay of different elements.
Support for Mental Health Initiatives: Harnisch is notably involved in philanthropy focused on mental health. His support for organizations and research in this field underscores a commitment to addressing and improving mental health care, an area often overlooked in philanthropy.
Educational Contributions: He has shown interest in supporting educational initiatives, potentially including donations or support to educational institutions and scholarships, which align with many investors' philanthropic priorities.
Community Development Projects: Harnisch's philanthropic activities may also extend to community development, supporting projects that enhance living conditions and provide opportunities in underprivileged areas.
Healthcare and Research Support: In addition to mental health, his philanthropic efforts might encompass broader healthcare initiatives, supporting hospitals, research institutions, and public health campaigns.
Arts and Cultural Engagement: Reflecting a well-rounded approach to philanthropy, Harnisch may also be involved in supporting the arts and cultural institutions, acknowledging the importance of these sectors in enriching community life.
Environmental Conservation Efforts: His philanthropic portfolio could include support for environmental conservation, acknowledging the critical importance of sustainability and environmental stewardship.
Investment philosophy details pending verification.
| Ticker | P/C | Company Name | Sector | Market Value | Shares | Weight | Chg Shares | % Chg |
|---|---|---|---|---|---|---|---|---|
Global Strategy & Macro Focus — Non-13F Equity ManagerWilliam Harnisch operates primarily in global macro instruments, foreign exchange, sovereign debt, or private concentrated strategies that fall outside standard U.S. SEC Form 13F equity reporting thresholds. | ||||||||
| Ticker | Amount | % Chg | Weight | Status |
|---|---|---|---|---|
| No recent buys. | ||||
| Ticker | Amount | % Chg | Weight | Status |
|---|---|---|---|---|
| No recent sells. | ||||
| Sector | Stocks | Value | Exposure |
|---|---|---|---|
| No sector exposure available. | |||