Established in 1997, Peconic Partners is a New York-based hedge fund manager led by William Harnisch. The firm manages both proprietary and client capital, employing long/short equity hedge fund strategies. Peconic Partners utilizes a disciplined thematic investment approach, aiming to deliver long-term positive returns across varying market conditions.
William Harnisch is the Chief Investment Strategist at Peconic Partners, where he oversees the firm’s investment process. He started his career at Chase Manhattan Bank in 1968 and later joined Forstmann-Leff Associates (FLA), where he managed assets exceeding $5 billion and entered the hedge fund business in 1986. In 1997, he sold FLA's long-only business and founded Peconic Partners in 2004 to focus on hedged products. William holds a B.B.A. from Baruch College and is a Chartered Financial Analyst. He is involved in philanthropy through the William F. Harnisch Foundation and serves on the board of the Baruch College Fund. His market insights have been featured in publications like the Wall Street Journal and Barron’s.
Peconic Partners is a hedge fund managing discretionary assets totaling $1,424,497,608 for its 8 clients. Their Q1 2024 13F filing reported $2,251,936,990 in managed 13F securities with a top 10 holdings concentration of 100%. The largest holding in Peconic Partners' portfolio is Quanta Services, Inc., with 5,598,565 shares.
| Fund Name: | Peconic Partners LLC |
| Manager | William Harnisch |
| Portfolio Value | $2,251,936,990 |
| Change This QTR | +1.08% |
| No. | Security | Ticker | Shares | Value | Activity | % Port | History |
|---|---|---|---|---|---|---|---|
| 1. | PWR | 5,598,565 | $1,454,507,187 | +2% | 64.58% | ||
| 2. | DY | 3,596,582 | $516,217,414 | +11% | 22.92% | ||
| 3. | XLB | 1,611,484 | $105,793,925 | NEW | 4.69% | ||
| 4. | MU | 775,000 | $91,364,750 | +675% | 4.05% | ||
| 5. | CCL | 3,500,000 | $57,190,000 | NEW | 2.53% |
| Symbol | Company | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| 2024-04-18 | ||||
| 2024-02-14 | ||||
| 2023-06-09 | ||||
| 2023-02-14 | ||||
| 2020-03-12 |
