William Harnisch Peconic Partners
William Harnisch is the founder of Peconic Partners, a concentrated investment firm known for high-conviction equity positions. The firm’s portfolio often differs sharply from broad market benchmarks, reflecting a willingness to concentrate capital. Harnisch’s disclosures are tracked by investors interested in bold, research-driven concentration.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Kinder Morgan
KMI
|
+$24.5M |
| 2 |
Quanta Services
PWR
|
+$20M |
| 3 |
Tesla
TSLA
|
+$14.2M |
| 4 |
Targa Resources
TRGP
|
+$10.6M |
| 5 |
Microsoft
MSFT
|
+$8.76M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class A
GOOGL
|
+$10.9M |
| 2 |
Plains GP Holdings
PAGP
|
+$9.33M |
| 3 |
VMW
VMware, Inc
VMW
|
+$7.67M |
| 4 |
Walmart Inc
WMT
|
+$7.56M |
| 5 |
FLXN
Flexion Therapeutics, Inc.
FLXN
|
+$4.17M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 71.44% |
| 2 | Energy | 8.41% |
| 3 | Technology | 8.28% |
| 4 | Real Estate | 4.83% |
| 5 | Consumer Discretionary | 3.61% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
51
Red Robin
RRGB
$189M
| – | – |
-1,000
| Closed | -$40K |
|
52
Vanguard Financials ETF
VFH
$13.8B
| – | – |
-40,000
| Closed | -$2.77M |
|
53
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.93B
| – | – |
-5,000
| Closed | -$866K |
|
|
LGF.A
54
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
| – | – |
-10,000
| Closed | -$244K |
|
|
SLCA
55
DELISTED
U.S. SILICA HOLDINGS, INC.
SLCA
| – | – |
-4,000
| Closed | -$75K |
|
|
VMW
56
DELISTED
VMware, Inc
VMW
| – | – |
-49,138
| Closed | -$7.67M |
|
|
FLXN
57
DELISTED
Flexion Therapeutics, Inc.
FLXN
| – | – |
-222,965
| Closed | -$4.17M |
|
|
OCLR
58
DELISTED
Oclaro Inc.
OCLR
| – | – |
-15,000
| Closed | -$134K |
|
|
ORBC
59
DELISTED
ORBCOMM, Inc.
ORBC
| – | – |
-115,000
| Closed | -$1.25M |
|
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William Harnisch's Q4 2018 Portfolio in Review
As of Q4 2018, William Harnisch held 59 positions worth $409M, up 3.1% from $396M the previous quarter. Its ten largest holdings account for 94% of the portfolio.
William Harnisch deployed $53.3M of net new capital in Q4 2018, opening 10 new positions and adding to 9 existing holdings. Its largest new stake was Kinder Morgan: 1,448,885 shares worth $22.3M.
By sector, the portfolio is most concentrated in Industrials at 71% of assets, down from 74% a quarter earlier, followed by Energy and Technology.
On the sell side, the largest reduction was Plains GP Holdings, an estimated $9.33M trimmed.
- William Harnisch's largest Q4 2018 buy was Kinder Morgan: 1,448,885 shares worth $22.3M.
- William Harnisch added most to Quanta Services in Q4 2018, an estimated $20M increase.
- William Harnisch's biggest Q4 2018 reduction was Plains GP Holdings, cutting an estimated $9.33M.
- William Harnisch fully exited Alphabet (Google) Class A in Q4 2018, selling an estimated $10.9M.
- William Harnisch's ten largest holdings make up 94% of its $409M portfolio in Q4 2018.
- William Harnisch opened 10 new positions and closed 16 in Q4 2018.
- William Harnisch's portfolio value rose 3.1% quarter-over-quarter to $409M.
Based on Peconic Partners's 13F filing for Q4 2018, filed 14 Feb 2019.