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 |
WCC
WESCO International
WCC
|
+$34.5M |
| 2 |
EA
Electronic Arts
EA
|
+$13M |
| 3 |
Quanta Services
PWR
|
+$8.71M |
| 4 |
SPDR Gold Trust
GLD
|
+$7.26M |
| 5 |
Lowe's Companies
LOW
|
+$4.45M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$33.5M |
| 2 |
Dycom Industries
DY
|
+$13.9M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$2.88M |
| 4 |
United Parcel Service
UPS
|
+$2.8M |
| 5 |
Microsoft
MSFT
|
+$1.86M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 75.58% |
| 2 | Real Estate | 6.38% |
| 3 | Communication Services | 5.5% |
| 4 | Technology | 3.54% |
| 5 | Healthcare | 1.9% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Quanta Services
PWR
$96.1B
| $223M | 62.19% |
5,686,204
+244,163
| +4% | +$8.71M |
|
|
WCC
2
WESCO International
WCC
$17B
| $43.5M | 12.12% |
1,238,716
+1,155,000
| +1,380% | +$34.5M |
|
3
SBA Communications
SBAC
$19.4B
| $20.7M | 5.76% |
69,359
| – | – |
|
|
EA
4
DELISTED
Electronic Arts
EA
| $14.5M | 4.05% |
+110,000
| New | +$13M |
|
|
5
SPDR Gold Trust
GLD
$152B
| $7.53M | 2.1% |
+45,000
| New | +$7.26M |
|
|
APHA
6
DELISTED
Aphria Inc. Common Shares
APHA
| $5.36M | 1.5% |
1,250,000
+1,000,000
| +400% | +$3.83M |
|
|
7
Lowe's Companies
LOW
$121B
| $5.26M | 1.47% |
+38,963
| New | +$4.45M |
|
|
8
Dycom Industries
DY
$11.8B
| $4.33M | 1.21% |
106,000
-401,007
| -79% | -$13.9M |
|
9
State Street Technology Select Sector SPDR ETF
XLK
$120B
| $4.22M | 1.18% |
80,780
+20,000
| +33% | +$941K |
|
10
Silicon Laboratories
SLAB
$7.27B
| $3.01M | 0.84% |
+30,000
| New | +$2.8M |
|
11
PG&E
PCG
$38.8B
| $2.66M | 0.74% |
+300,000
| New | +$3.27M |
|
12
Apple
AAPL
$4.51T
| $2.4M | 0.67% |
26,300
+20,000
| +317% | +$1.55M |
|
13
Netflix
NFLX
$331B
| $2.27M | 0.63% |
50,000
| – | – |
|
|
14
Alphabet (Google) Class A
GOOGL
$4.22T
| $2.13M | 0.59% |
30,000
-42,640
| -59% | -$2.88M |
|
15
iShares Biotechnology ETF
IBB
$10.7B
| $2.05M | 0.57% |
+15,000
| New | +$1.91M |
|
16
Shopify
SHOP
$192B
| $1.42M | 0.4% |
15,000
| – | – |
|
17
Dynatrace
DT
$14.2B
| $1.42M | 0.4% |
+35,000
| New | +$1.15M |
|
18
Crown Castle
CCI
$32.1B
| $1.25M | 0.35% |
7,500
| – | – |
|
19
NXP Semiconductors
NXPI
$56.9B
| $1.14M | 0.32% |
10,000
-1,000
| -9% | -$100K |
|
20
Salesforce
CRM
$171B
| $1.12M | 0.31% |
+6,000
| New | +$1.01M |
|
21
J.M. Smucker
SJM
$13.3B
| $1.06M | 0.29% |
+10,000
| New | +$1.12M |
|
|
PPLI
22
People Inc
PPLI
$2.86B
| $647K | 0.18% |
11,191
| – | – |
|
23
Regeneron Pharmaceuticals
REGN
$85.9B
| $624K | 0.17% |
+1,000
| New | +$568K |
|
|
XYZ
24
Block Inc
XYZ
$49.4B
| $525K | 0.15% |
5,000
| – | – |
|
25
CrowdStrike
CRWD
$195B
| $501K | 0.14% |
+20,000
| New | +$401K |
|
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William Harnisch's Q2 2020 Portfolio in Review
As of Q2 2020, William Harnisch held 72 positions worth $359M, up 39% from $259M the previous quarter. Its ten largest holdings account for 92% of the portfolio.
William Harnisch deployed $28.4M of net new capital in Q2 2020, opening 21 new positions and adding to 5 existing holdings. Its largest new stake was Electronic Arts: 110,000 shares worth $14.5M.
By sector, the portfolio is most concentrated in Industrials at 76% of assets, up from 74% a quarter earlier, followed by Real Estate and Communication Services.
On the sell side, the largest reduction was Amazon, an estimated $33.5M trimmed.
- William Harnisch's largest Q2 2020 buy was Electronic Arts: 110,000 shares worth $14.5M.
- William Harnisch added most to WESCO International in Q2 2020, an estimated $34.5M increase.
- William Harnisch's biggest Q2 2020 reduction was Amazon, cutting an estimated $33.5M.
- William Harnisch fully exited United Parcel Service in Q2 2020, selling an estimated $2.8M.
- William Harnisch's ten largest holdings make up 92% of its $359M portfolio in Q2 2020.
- William Harnisch opened 21 new positions and closed 11 in Q2 2020.
- William Harnisch's portfolio value rose 39% quarter-over-quarter to $359M.
Based on Peconic Partners's 13F filing for Q2 2020, filed 14 Aug 2020.