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 |
Quanta Services
PWR
|
+$43.1M |
| 2 |
Target
TGT
|
+$27.1M |
| 3 |
Lennar Class A
LEN
|
+$21.5M |
| 4 |
Walmart Inc
WMT
|
+$17.5M |
| 5 |
Home Depot
HD
|
+$16.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
MasTec
MTZ
|
+$242M |
| 2 |
Targa Resources
TRGP
|
+$25.4M |
| 3 |
WPX
WPX Energy, Inc.
WPX
|
+$24.2M |
| 4 |
Walt Disney
DIS
|
+$5.59M |
| 5 |
Netflix
NFLX
|
+$5.51M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 52.17% |
| 2 | Consumer Discretionary | 15.37% |
| 3 | Consumer Staples | 11.78% |
| 4 | Real Estate | 6.28% |
| 5 | Communication Services | 4.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Quanta Services
PWR
$96.1B
| $194M | 45.01% |
5,120,073
+1,191,900
| +30% | +$43.1M |
|
|
2
Target
TGT
$75.1B
| $30.5M | 7.09% |
+285,000
| New | +$27.1M |
|
|
3
Lennar Class A
LEN
$21B
| $23.8M | 5.55% |
+440,988
| New | +$21.5M |
|
|
4
Home Depot
HD
$335B
| $23.2M | 5.4% |
100,000
+75,000
| +300% | +$16.4M |
|
5
SBA Communications
SBAC
$19.4B
| $20.4M | 4.74% |
84,559
| – | – |
|
|
6
Walmart Inc
WMT
$825B
| $19.6M | 4.55% |
495,000
+465,000
| +1,550% | +$17.5M |
|
|
7
MasTec
MTZ
$21.4B
| $17.6M | 4.1% |
271,302
-4,143,568
| -94% | -$242M |
|
8
D.R. Horton
DHI
$41.5B
| $14.8M | 3.44% |
+280,268
| New | +$13.4M |
|
|
PARA
9
DELISTED
Paramount Global Class B
PARA
| $13.1M | 3.05% |
+325,000
| New | +$15.2M |
|
10
United Rentals
URI
$68.4B
| $11.2M | 2.61% |
+90,000
| New | +$10.9M |
|
11
Akamai
AKAM
$15.9B
| $7.31M | 1.7% |
+80,000
| New | +$6.94M |
|
12
CRISPR Therapeutics
CRSP
$5.75B
| $5.72M | 1.33% |
+139,525
| New | +$6.67M |
|
|
VAR
13
DELISTED
Varian Medical Systems, Inc.
VAR
| $5.69M | 1.32% |
+47,759
| New | +$5.68M |
|
14
Diamondback Energy
FANG
$59B
| $4.95M | 1.15% |
55,000
+40,000
| +267% | +$3.98M |
|
|
ATVI
15
DELISTED
Activision Blizzard
ATVI
| $4.76M | 1.11% |
+90,000
| New | +$4.49M |
|
|
EA
16
DELISTED
Electronic Arts
EA
| $4.4M | 1.02% |
+45,000
| New | +$4.23M |
|
17
Crown Castle
CCI
$32.1B
| $3.82M | 0.89% |
27,500
| – | – |
|
|
BRSL
18
Brightstar Lottery PLC
BRSL
$2.21B
| $2.6M | 0.6% |
+183,034
| New | +$2.43M |
|
19
American Tower
AMT
$81.9B
| $2.54M | 0.59% |
11,500
| – | – |
|
20
CF Industries
CF
$19.6B
| $2.46M | 0.57% |
50,000
+10,000
| +25% | +$485K |
|
21
State Street Technology Select Sector SPDR ETF
XLK
$120B
| $2.45M | 0.57% |
60,780
| – | – |
|
22
Alphabet (Google) Class A
GOOGL
$4.22T
| $1.83M | 0.43% |
30,000
-20,000
| -40% | -$1.18M |
|
|
GTLS
23
DELISTED
Chart Industries
GTLS
| $1.59M | 0.37% |
25,504
-20,000
| -44% | -$1.35M |
|
24
Whirlpool
WHR
$2.63B
| $1.58M | 0.37% |
+10,000
| New | +$1.44M |
|
25
Penumbra
PEN
$12.8B
| $1.34M | 0.31% |
10,000
| – | – |
|
Similar funds
William Harnisch's Q3 2019 Portfolio in Review
As of Q3 2019, William Harnisch held 74 positions worth $430M, down 15% from $508M the previous quarter. Its ten largest holdings account for 86% of the portfolio.
William Harnisch withdrew a net $119M in Q3 2019, closing 18 positions and reducing 6 holdings. Its most notable exit was WPX Energy, Inc., an estimated $24.2M position sold in full.
By sector, the portfolio is most concentrated in Industrials at 52% of assets, down from 75% a quarter earlier, followed by Consumer Discretionary and Consumer Staples.
Against the trend, William Harnisch opened a new position in Target worth $30.5M.
- William Harnisch's largest Q3 2019 buy was Target: 285,000 shares worth $30.5M.
- William Harnisch added most to Quanta Services in Q3 2019, an estimated $43.1M increase.
- William Harnisch's biggest Q3 2019 reduction was MasTec, cutting an estimated $242M.
- William Harnisch fully exited WPX Energy, Inc. in Q3 2019, selling an estimated $24.2M.
- William Harnisch's ten largest holdings make up 86% of its $430M portfolio in Q3 2019.
- William Harnisch opened 16 new positions and closed 18 in Q3 2019.
- William Harnisch's portfolio value fell 15% quarter-over-quarter to $430M.
Based on Peconic Partners's 13F filing for Q3 2019, filed 14 Nov 2019.