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 |
General Motors
GM
|
+$77.8M |
| 2 |
Uber
UBER
|
+$30.4M |
| 3 |
Warner Bros
WBD
|
+$23.2M |
| 4 |
Dycom Industries
DY
|
+$20.9M |
| 5 |
WCC
WESCO International
WCC
|
+$17.7M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Kinder Morgan
KMI
|
+$16.8M |
| 2 |
Baidu
BIDU
|
+$13.4M |
| 3 |
US Global Jets ETF
JETS
|
+$13.2M |
| 4 |
Energy Transfer Partners
ET
|
+$13M |
| 5 |
Veeva Systems
VEEV
|
+$11.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 85.5% |
| 2 | Consumer Discretionary | 4.72% |
| 3 | Energy | 2.25% |
| 4 | Communication Services | 2.17% |
| 5 | Technology | 2.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1
Quanta Services
PWR
$96.1B
| $705M | 48.69% |
5,531,203
+65,492
| +1% | +$8.96M |
|
|
WCC
2
WESCO International
WCC
$17B
| $285M | 19.68% |
2,385,143
+141,407
| +6% | +$17.7M |
|
|
3
Dycom Industries
DY
$11.8B
| $237M | 16.38% |
2,481,987
+199,950
| +9% | +$20.9M |
|
|
4
General Motors
GM
$77.2B
| $68.4M | 4.72% |
2,130,000
+2,120,000
| +21,200% | +$77.8M |
|
|
5
Uber
UBER
$161B
| $29.1M | 2.01% |
+1,100,000
| New | +$30.4M |
|
|
ETRN
6
DELISTED
Equitrans Midstream Corporation Common Stock
ETRN
| $22.8M | 1.58% |
3,053,680
+1,903,680
| +166% | +$15.9M |
|
7
SBA Communications
SBAC
$19.4B
| $20.7M | 1.43% |
72,609
| – | – |
|
|
8
Warner Bros
WBD
$71.6B
| $19.8M | 1.37% |
1,719,676
+1,710,000
| +17,673% | +$23.2M |
|
9
Bumble
BMBL
$370M
| $11M | 0.76% |
512,580
+364,080
| +245% | +$10.8M |
|
10
Global Payments
GPN
$24.7B
| $10.8M | 0.75% |
+100,000
| New | +$12.3M |
|
11
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$311M
| $7.95M | 0.55% |
250,000
| – | – |
|
12
Global X Uranium ETF
URA
$6.46B
| $7.93M | 0.55% |
+400,000
| New | +$8.35M |
|
13
Diamondback Energy
FANG
$59B
| $6.02M | 0.42% |
50,000
| – | – |
|
14
Vanguard S&P 500 ETF
VOO
$1.02T
| $3.28M | 0.23% |
+10,000
| New | +$3.65M |
|
15
AbbVie
ABBV
$468B
| $2.01M | 0.14% |
+15,000
| New | +$2.15M |
|
16
FLEX LNG
FLNG
$1.73B
| $1.9M | 0.13% |
60,000
+30,000
| +100% | +$950K |
|
17
NXP Semiconductors
NXPI
$56.9B
| $1.48M | 0.1% |
10,000
| – | – |
|
|
ARCH
18
DELISTED
Arch Resources, Inc.
ARCH
| $1.19M | 0.08% |
10,000
-5,000
| -33% | -$692K |
|
19
iShares 20+ Year Treasury Bond ETF
TLT
$45.5B
| $1.02M | 0.07% |
+10,000
| New | +$1.13M |
|
20
iShares Biotechnology ETF
IBB
$10.7B
| $877K | 0.06% |
7,500
-60,000
| -89% | -$7.45M |
|
|
XIFR
21
XPLR Infrastructure LP
XIFR
$1.05B
| $723K | 0.05% |
10,000
| – | – |
|
22
Alpha Metallurgical Resources
AMR
$2.66B
| $684K | 0.05% |
+5,000
| New | +$695K |
|
23
AT&T
T
$173B
| $614K | 0.04% |
40,000
| – | – |
|
|
SWN
24
DELISTED
Southwestern Energy Company
SWN
| $612K | 0.04% |
+100,000
| New | +$692K |
|
25
Crown Castle
CCI
$32.1B
| $596K | 0.04% |
4,126
| – | – |
|
Similar funds
William Harnisch's Q3 2022 Portfolio in Review
As of Q3 2022, William Harnisch held 66 positions worth $1.45B, up 6.1% from $1.36B the previous quarter. Its ten largest holdings account for 97% of the portfolio.
William Harnisch deployed $65.3M of net new capital in Q3 2022, opening 8 new positions and adding to 9 existing holdings. Its largest new stake was Uber: 1,100,000 shares worth $29.1M.
By sector, the portfolio is most concentrated in Industrials at 85% of assets, up from 84% a quarter earlier, followed by Consumer Discretionary and Energy.
On the sell side, the largest reduction was iShares Biotechnology ETF, an estimated $7.45M trimmed.
- William Harnisch's largest Q3 2022 buy was Uber: 1,100,000 shares worth $29.1M.
- William Harnisch added most to General Motors in Q3 2022, an estimated $77.8M increase.
- William Harnisch's biggest Q3 2022 reduction was iShares Biotechnology ETF, cutting an estimated $7.45M.
- William Harnisch fully exited Kinder Morgan in Q3 2022, selling an estimated $16.8M.
- William Harnisch's ten largest holdings make up 97% of its $1.45B portfolio in Q3 2022.
- William Harnisch opened 8 new positions and closed 32 in Q3 2022.
- William Harnisch's portfolio value rose 6.1% quarter-over-quarter to $1.45B.
Based on Peconic Partners's 13F filing for Q3 2022, filed 14 Nov 2022.