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 |
B
Barrick Mining
B
|
+$43.1M |
| 2 |
Dycom Industries
DY
|
+$41.2M |
| 3 |
Teck Resources
TECK
|
+$13.2M |
| 4 |
SPDR Gold Trust
GLD
|
+$8.77M |
| 5 |
WCC
WESCO International
WCC
|
+$8.23M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
MasTec
MTZ
|
+$131M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$33.4M |
| 3 |
Quanta Services
PWR
|
+$7.78M |
| 4 |
Freeport-McMoran
FCX
|
+$2.5M |
| 5 |
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
|
+$1.73M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 89.02% |
| 2 | Materials | 5.14% |
| 3 | Real Estate | 2.01% |
| 4 | Energy | 1.99% |
| 5 | Technology | 0.26% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Quanta Services
PWR
$96.1B
| $719M | 55.06% |
5,460,711
-70,000
| -1% | -$7.78M |
|
|
WCC
2
WESCO International
WCC
$17B
| $259M | 19.85% |
1,990,536
+65,655
| +3% | +$8.23M |
|
|
3
Dycom Industries
DY
$11.8B
| $183M | 14% |
1,917,987
+449,757
| +31% | +$41.2M |
|
|
B
4
Barrick Mining
B
$78.3B
| $49.1M | 3.76% |
+2,000,000
| New | +$43.1M |
|
5
SBA Communications
SBAC
$19.4B
| $25M | 1.91% |
72,609
+500
| +0.7% | +$162K |
|
|
6
Teck Resources
TECK
$33.9B
| $16.6M | 1.27% |
410,000
+370,000
| +925% | +$13.2M |
|
|
7
SPDR Gold Trust
GLD
$152B
| $9.03M | 0.69% |
+50,000
| New | +$8.77M |
|
8
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$311M
| $5.12M | 0.39% |
250,000
| – | – |
|
9
Williams Companies
WMB
$86.2B
| $5.01M | 0.38% |
+150,000
| New | +$4.58M |
|
10
Diamondback Energy
FANG
$59B
| $4.11M | 0.32% |
30,000
+20,000
| +200% | +$2.6M |
|
11
Energy Transfer Partners
ET
$73B
| $3.36M | 0.26% |
+300,000
| New | +$2.97M |
|
|
ETRN
12
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $2.95M | 0.23% |
+350,000
| New | +$2.88M |
|
13
Kinder Morgan
KMI
$69B
| $2.84M | 0.22% |
+150,000
| New | +$2.64M |
|
14
NXP Semiconductors
NXPI
$56.9B
| $2.78M | 0.21% |
15,000
| – | – |
|
15
Baker Hughes
BKR
$61.9B
| $2.09M | 0.16% |
+57,300
| New | +$1.74M |
|
|
ARCH
16
DELISTED
Arch Resources, Inc.
ARCH
| $2.06M | 0.16% |
15,000
| – | – |
|
|
17
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.93B
| $2.02M | 0.15% |
15,000
-15,000
| -50% | -$1.73M |
|
18
TC Energy
TRP
$64.6B
| $1.69M | 0.13% |
+30,000
| New | +$1.58M |
|
19
United Rentals
URI
$68.4B
| $1.57M | 0.12% |
+4,433
| New | +$1.45M |
|
20
Alpha Metallurgical Resources
AMR
$2.66B
| $1.32M | 0.1% |
10,000
| – | – |
|
21
Enterprise Products Partners
EPD
$82.1B
| $1.03M | 0.08% |
+40,000
| New | +$971K |
|
22
iShares Biotechnology ETF
IBB
$10.7B
| $977K | 0.07% |
7,500
| – | – |
|
|
XIFR
23
XPLR Infrastructure LP
XIFR
$1.05B
| $834K | 0.06% |
10,000
| – | – |
|
24
Crown Castle
CCI
$32.1B
| $762K | 0.06% |
4,126
| – | – |
|
25
AT&T
T
$173B
| $709K | 0.05% |
+39,720
| New | +$735K |
|
Similar funds
William Harnisch's Q1 2022 Portfolio in Review
As of Q1 2022, William Harnisch held 57 positions worth $1.31B, up 4.9% from $1.24B the previous quarter. Its ten largest holdings account for 98% of the portfolio.
William Harnisch withdrew a net $41.8M in Q1 2022, closing 13 positions and reducing 4 holdings. Its most notable exit was MasTec, an estimated $131M position sold in full.
By sector, the portfolio is most concentrated in Industrials at 89% of assets, down from 93% a quarter earlier, followed by Materials and Real Estate.
Against the trend, William Harnisch opened a new position in Barrick Mining worth $49.1M.
- William Harnisch's largest Q1 2022 buy was Barrick Mining: 2,000,000 shares worth $49.1M.
- William Harnisch added most to Dycom Industries in Q1 2022, an estimated $41.2M increase.
- William Harnisch's biggest Q1 2022 reduction was Quanta Services, cutting an estimated $7.78M.
- William Harnisch fully exited MasTec in Q1 2022, selling an estimated $131M.
- William Harnisch's ten largest holdings make up 98% of its $1.31B portfolio in Q1 2022.
- William Harnisch opened 15 new positions and closed 13 in Q1 2022.
- William Harnisch's portfolio value rose 4.9% quarter-over-quarter to $1.31B.
Based on Peconic Partners's 13F filing for Q1 2022, filed 16 May 2022.