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
|
+$57.1M |
| 2 |
Goldman Sachs
GS
|
+$26.7M |
| 3 |
NFX
Newfield Exploration
NFX
|
+$12.1M |
| 4 |
Alerian MLP ETF
AMLP
|
+$8.45M |
| 5 |
Merck
MRK
|
+$6.38M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Russell 2000 ETF
IWM
|
+$96.2M |
| 2 |
Dycom Industries
DY
|
+$75.6M |
| 3 |
APA Corp
APA
|
+$57.5M |
| 4 |
United Rentals
URI
|
+$34M |
| 5 |
AGU
Agrium
AGU
|
+$21.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 71.42% |
| 2 | Energy | 10.31% |
| 3 | Real Estate | 4.69% |
| 4 | Financials | 4.29% |
| 5 | Technology | 3.54% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1
MasTec
MTZ
$21.4B
| $215M | 34.65% |
4,764,462
-23,900
| -0.5% | -$1.03M |
|
|
2
Quanta Services
PWR
$96.1B
| $150M | 24.2% |
4,564,485
+1,714,485
| +60% | +$57.1M |
|
|
3
Dycom Industries
DY
$11.8B
| $54.6M | 8.79% |
609,389
-779,237
| -56% | -$75.6M |
|
|
NFX
4
DELISTED
Newfield Exploration
NFX
| $34.5M | 5.56% |
1,212,012
+366,310
| +43% | +$12.1M |
|
|
5
Goldman Sachs
GS
$303B
| $26.6M | 4.29% |
+120,000
| New | +$26.7M |
|
6
SBA Communications
SBAC
$19.4B
| $21.9M | 3.52% |
162,085
-9,800
| -6% | -$1.27M |
|
|
WCC
7
WESCO International
WCC
$17B
| $15.9M | 2.56% |
277,185
-199,508
| -42% | -$12.4M |
|
|
WPX
8
DELISTED
WPX Energy, Inc.
WPX
| $15.5M | 2.5% |
1,607,190
+297,290
| +23% | +$3.39M |
|
|
9
Alerian MLP ETF
AMLP
$13.2B
| $9.4M | 1.51% |
157,211
+138,671
| +748% | +$8.45M |
|
|
10
Merck
MRK
$376B
| $6.41M | 1.03% |
+104,800
| New | +$6.38M |
|
11
Alphabet (Google) Class A
GOOGL
$4.22T
| $4.65M | 0.75% |
100,000
| – | – |
|
12
EOG Resources
EOG
$80.3B
| $4.53M | 0.73% |
50,000
-127,630
| -72% | -$11.8M |
|
13
Adobe
ADBE
$109B
| $4.34M | 0.7% |
+30,000
| New | +$4.11M |
|
14
United Parcel Service
UPS
$86.8B
| $3.87M | 0.62% |
+35,000
| New | +$3.74M |
|
15
Crown Castle
CCI
$32.1B
| $3.76M | 0.61% |
37,500
-125,000
| -77% | -$12.3M |
|
16
Southwest Airlines
LUV
$19.8B
| $3.73M | 0.6% |
+60,000
| New | +$3.49M |
|
17
Flotek Industries
FTK
$894M
| $3.55M | 0.57% |
66,206
-10,794
| -14% | -$679K |
|
18
Sherwin-Williams
SHW
$84.1B
| $3.51M | 0.57% |
+30,000
| New | +$3.35M |
|
19
American Tower
AMT
$81.9B
| $3.51M | 0.56% |
26,500
+5,000
| +23% | +$640K |
|
20
Microsoft
MSFT
$3.59T
| $3.45M | 0.56% |
+50,000
| New | +$3.43M |
|
|
AKS
21
DELISTED
AK Steel Holding Corp
AKS
| $3.29M | 0.53% |
+50,000
| New | +$313K |
|
|
INFN
22
DELISTED
Infinera Corporation Common Stock
INFN
| $2.24M | 0.36% |
+210,000
| New | +$2.15M |
|
23
Micron Technology
MU
$1.09T
| $2.24M | 0.36% |
+75,000
| New | +$2.19M |
|
24
First Solar
FSLR
$23B
| $1.99M | 0.32% |
+50,000
| New | +$1.7M |
|
|
CXO
25
DELISTED
CONCHO RESOURCES INC.
CXO
| $1.82M | 0.29% |
15,000
-10,000
| -40% | -$1.26M |
|
Similar funds
William Harnisch's Q2 2017 Portfolio in Review
As of Q2 2017, William Harnisch held 67 positions worth $621M, down 29% from $871M the previous quarter. Its ten largest holdings account for 89% of the portfolio.
William Harnisch withdrew a net $245M in Q2 2017, closing 17 positions and reducing 10 holdings. Its most notable exit was iShares Russell 2000 ETF, an estimated $96.2M position sold in full.
By sector, the portfolio is most concentrated in Industrials at 71% of assets, up from 57% a quarter earlier, followed by Energy and Real Estate.
Against the trend, William Harnisch opened a new position in Goldman Sachs worth $26.6M.
- William Harnisch's largest Q2 2017 buy was Goldman Sachs: 120,000 shares worth $26.6M.
- William Harnisch added most to Quanta Services in Q2 2017, an estimated $57.1M increase.
- William Harnisch's biggest Q2 2017 reduction was Dycom Industries, cutting an estimated $75.6M.
- William Harnisch fully exited iShares Russell 2000 ETF in Q2 2017, selling an estimated $96.2M.
- William Harnisch's ten largest holdings make up 89% of its $621M portfolio in Q2 2017.
- William Harnisch opened 21 new positions and closed 17 in Q2 2017.
- William Harnisch's portfolio value fell 29% quarter-over-quarter to $621M.
Based on Peconic Partners's 13F filing for Q2 2017, filed 14 Aug 2017.