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WH

William Harnisch Peconic Partners

AUM $8.04B
1-Year Est. Return 107.18%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+3.96%
1 Year Est. Return
+107.18%
3 Year Est. Return
+300.02%
5 Year Est. Return
+691.8%
10 Year Est. Return
+3,202.62%
AUM
$618M
AUM Growth
-$24.3M
Cap. Flow
-$36.3M
Cap. Flow %
-5.88%
Top 10 Hldgs %
74.55%
Holding
53
New
8
Increased
15
Reduced
8
Closed
11

Top Buys

Rank Stock Value
1
CIEN icon
Ciena
CIEN
+$19M
2
CX icon
Cemex
CX
+$16.4M
3
PWR icon
Quanta Services
PWR
+$12.3M
4
MTZ icon
MasTec
MTZ
+$9.13M
5
INFN
Infinera Corporation Common Stock
INFN
+$7.57M

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$30.3M
2
XHB icon
State Street SPDR S&P Homebuilders ETF
XHB
+$29.7M
3
LULU icon
lululemon athletica
LULU
+$20.9M
4
LEN icon
Lennar Class A
LEN
+$15.5M
5
META icon
Meta Platforms (Facebook)
META
+$14.3M

Sector Composition

Rank Sector Weight
1 Industrials 45.05%
2 Consumer Discretionary 19.88%
3 Technology 13.71%
4 Healthcare 8.28%
5 Real Estate 4.1%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CPN
26
DELISTED
Calpine Corporation
CPN
$2.16M 0.35%
120,199
– –
HCR
27
DELISTED
Hi-Crush Inc. Common Stock
HCR
$2.16M 0.35%
70,281
+32,281
+85% +$1.06M
CXO
28
DELISTED
CONCHO RESOURCES INC.
CXO
$1.82M 0.29%
15,981
+3,481
+28% +$422K
MTDR icon
29
Matador Resources
MTDR
$7.22B
$1.24M 0.2%
49,611
+24,611
+98% +$660K
EPD icon
30
Enterprise Products Partners
EPD
$82.1B
$1.14M 0.18%
38,200
– –
SWBI icon
31
Smith & Wesson
SWBI
$632M
$1.08M 0.17%
84,565
+13,010
+18% +$150K
AAPL icon
32
Apple
AAPL
$4.51T
$1.01M 0.16%
32,200
– –
HW
33
DELISTED
Headwaters Inc
HW
$638K 0.1%
35,000
– –
SRCI
34
DELISTED
SRC Energy Inc
SRCI
$591K 0.1%
51,700
-10,000
-16% -$120K
MNDT
35
DELISTED
Mandiant, Inc. Common Stock
MNDT
$489K 0.08%
10,000
– –
AMCC
36
DELISTED
Applied Micro Circuits Corporation New
AMCC
$304K 0.05%
45,000
– –
ARMH
37
DELISTED
ARM HOLDINGS PLC ADS
ARMH
$296K 0.05%
6,000
– –
SZYM
38
DELISTED
SOLAZYME INC COM STK (DE)
SZYM
$137K 0.02%
+43,756
New +$150K
NEPT
39
DELISTED
Neptune Wellness Solutions Inc. Ordinary Shares
NEPT
$134K 0.02%
74
-121
-62% -$253K
VIVS
40
VivoSim Labs
VIVS
$3.83M
$90K 0.01%
100
– –
OCLR
41
DELISTED
Oclaro Inc.
OCLR
$23K ﹤0.01%
+10,000
New +$22.3K
CGRN
42
DELISTED
Capstone Green Energy Corporation Common Stock
CGRN
$9K ﹤0.01%
109
– –
COST icon
43
Costco
COST
$420B
– –
-200,110
Closed -$30.3M
HCA icon
44
HCA Healthcare
HCA
$92.9B
– –
-129,520
Closed -$9.74M
IFF icon
45
International Flavors & Fragrances
IFF
$21.5B
– –
-5,000
Closed -$587K
LEN icon
46
Lennar Class A
LEN
$21B
– –
-313,424
Closed -$15.5M
LULU icon
47
lululemon athletica
LULU
$13.7B
– –
-325,860
Closed -$20.9M
SBUX icon
48
Starbucks
SBUX
$122B
– –
-297,400
Closed -$14.1M
XHB icon
49
State Street SPDR S&P Homebuilders ETF
XHB
$1.46B
– –
-805,090
Closed -$29.7M
XOP icon
50
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.93B
– –
-10,000
Closed -$1.98M
1
2
3

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William Harnisch's Q2 2015 Portfolio in Review

As of Q2 2015, William Harnisch held 53 positions worth $618M, down 3.8% from $642M the previous quarter. Its ten largest holdings account for 75% of the portfolio.

William Harnisch withdrew a net $36.3M in Q2 2015, closing 11 positions and reducing 8 holdings. Its most notable exit was Costco, an estimated $30.3M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 45% of assets, up from 37% a quarter earlier, followed by Consumer Discretionary and Technology.

Against the trend, William Harnisch opened a new position in Ciena worth $19.7M.

  • William Harnisch's largest Q2 2015 buy was Ciena: 831,300 shares worth $19.7M.
  • William Harnisch added most to Quanta Services in Q2 2015, an estimated $12.3M increase.
  • William Harnisch's biggest Q2 2015 reduction was Meta Platforms (Facebook), cutting an estimated $14.3M.
  • William Harnisch fully exited Costco in Q2 2015, selling an estimated $30.3M.
  • William Harnisch's ten largest holdings make up 75% of its $618M portfolio in Q2 2015.
  • William Harnisch opened 8 new positions and closed 11 in Q2 2015.
  • William Harnisch's portfolio value fell 3.8% quarter-over-quarter to $618M.

Based on Peconic Partners's 13F filing for Q2 2015, filed 14 Aug 2015.