CIK: 0001315881
Total reported value
$49.5M
Reporting period: 2015-09-30 · Number of holdings: 26
SOUND ENERGY PARTNERS, INC. disclosed 26 holdings in its latest 13F filing for the period ending 2015-09-30, with total reported value of $49.5M and a quarterly turnover rate of 78.9%.
Browse other institutions with under $100M AUMBrowse other institutions starting with "S"
Sound Energy Partners, INC.'s disclosed holdings carry a Herfindahl concentration index of 0.099 — mathematically equivalent to about 10 equally-sized positions, well below its 26 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.28), with a handful of outsized bets alongside many smaller positions.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 4.1 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Sector classification currently covers about 4% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Add XOPUSD
+100.0% $3.8M
Trim SNEUR
-19.9% -$2.1M
Trim 580037109
-34.6% -$1.8M
Trim OASEUR
+37.6% -$824.0K
Trim TMUS
+5.3% -$853.0K
Trim 097793103
+151.8% -$896.0K
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | XOPUSD | Spdr S&p Oil & Gas Exp & Pr | ETF-Other | 26.54% | +5.46% | +100.00% | |
| 2 | NBL2EUR | Noble Energy INC | Stock-Other | 6.74% | +6.74% | NEW | |
| 3 | OASEUR | Oasis Petroleum INC | Stock-Other | 5.10% | -2.46% | +37.61% | |
| 4 | HES | Hess CORP | Stock-Other | 5.06% | +0.53% | +66.67% | |
| 5 | ✓ | Whiting Petroleum Corp. | Stock-Other | 5.06% | -1.77% | +82.11% | |
| 6 | CLRUSD | Continental Resources Inc/ok | Stock-Other | 5.00% | -0.30% | +54.15% | |
| 7 | EOG | Eog Resources INC | Stock-Energy | 4.41% | -1.52% | — | |
| 8 | SNEUR | Sanchez Energy CORP | Stock-Other | 4.24% | -5.20% | -19.94% | |
| 9 | ✓ | Mcdermott Intl INC | Stock-Other | 3.98% | -4.48% | -34.64% | |
| 10 | CTRA | Coterra Energy INC | Stock-Energy | 3.47% | +3.47% | NEW | |
| 11 | TMUS | T-Mobile US, Inc. | Stock-Comm Services | 3.34% | -2.33% | +5.26% | |
| 12 | ✓ | Celldex Therapeutics INC New | Stock-Other | 3.19% | +3.19% | NEW | |
| 13 | GPOR1EUR | Gulfport Energy CORP | Stock-Other | 3.00% | +3.00% | NEW | |
| 14 | EPEEUR | Ep Energy Corp-cl A | Stock-Other | 2.60% | +1.74% | +733.33% | |
| 15 | ✓ | Bonanza Creek Energy INC | Stock-Other | 2.32% | -2.30% | +151.79% | |
| 16 | SWN1EUR | Southwestern Energy Co | Stock-Other | 2.31% | +2.31% | NEW | |
| 17 | ✓ | Juno Therapeutics | Stock-Other | 2.12% | +2.12% | NEW | |
| 18 | ✓ | Foundation Medicine INC | Stock-Other | 2.05% | +2.05% | NEW | |
| 19 | ✓ | Isis Pharmaceuticals INC | Stock-Other | 2.04% | +2.04% | NEW | |
| 20 | SM | Sm Energy Co | Stock-Energy | 1.94% | +1.94% | NEW | |
| 21 | SUNEQUSD | Sunedison INC | Stock-Other | 1.74% | +1.74% | NEW | |
| 22 | ✓ | Memorial Resource Developmen | Stock-Other | 1.14% | +1.14% | NEW | |
| 23 | RRC | Range Resources CORP | Stock-Energy | 1.08% | +1.08% | NEW | |
| 24 | FCX | Freeport-mcmoran INC | Stock-Materials | 0.83% | +0.83% | NEW | |
| 25 | AM6 | Amicus Therapeutics INC | Stock-Other | 0.57% | +0.05% | +21.83% | |
| 26 | ✓ | Arch Coal Inc | Stock-Other | 0.12% | +0.12% | NEW |
Not enough priced holdings yet to compute performance
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2015-09-30 | 26 | $49.5M | 79 | |
| 2015-06-30 | 21 | $44.3M | 100 | |
| 2015-03-31 | 17 | $15.2M | 100 | |
| 2014-12-31 | 17 | $11.7M | 100 | |
| 2014-09-30 | 43 | $129.2M | 100 | |
| 2014-06-30 | 40 | $104.0M | 100 | |
| 2014-03-31 | 46 | $117.6M | 71 | |
| 2013-12-31 | 52 | $121.0M | 80 | |
| 2013-09-30 | 51 | $184.5M | 99 | |
| 2013-06-30 | 42 | $77.1M | 0 |
Sound Energy Partners, INC.'s most significant position changes for 2015-09-30: Sold out: Rosetta Resources INC; New buy: Noble Energy INC (NBL2EUR); New buy: Coterra Energy INC (CTRA); New buy: Celldex Therapeutics INC New; New buy: Gulfport Energy CORP (GPOR1EUR).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XOPUSD | Spdr S&p Oil & Gas Exp & Pr | +5.5% | +100.00% | Add |
| 2 | EPEEUR | Ep Energy Corp-cl A | +1.7% | +733.33% | Add |
| 3 | HES | Hess CORP | +0.5% | +66.67% | Add |
| 4 | AM6 | Amicus Therapeutics INC | +0.1% | +21.83% | Add |
| 5 | CLRUSD | Continental Resources Inc/ok | -0.3% | +54.15% | Add |
| 6 | EOG | Eog Resources INC | -1.5% | — | Unchanged |
| 7 | ✓ | Whiting Petroleum Corp. | -1.8% | +82.11% | Add |
| 8 | ✓ | Bonanza Creek Energy INC | -2.3% | +151.79% | Add |
| 9 | TMUS | T-Mobile US, Inc. | -2.3% | +5.26% | Add |
| 10 | OASEUR | Oasis Petroleum INC | -2.5% | +37.61% | Add |
| 11 | ✓ | Mcdermott Intl INC | -4.5% | -34.64% | Trim |
| 12 | SNEUR | Sanchez Energy CORP | -5.2% | -19.94% | Trim |
| 13 | ✓ | Rosetta Resources INC | — | EXIT | Sold out |
| 14 | NBL2EUR | Noble Energy INC | — | NEW | New buy |
| 15 | CTRA | Coterra Energy INC | — | NEW | New buy |
| 16 | ✓ | Celldex Therapeutics INC New | — | NEW | New buy |
| 17 | GPOR1EUR | Gulfport Energy CORP | — | NEW | New buy |
| 18 | ✓ | Mylan N V | — | EXIT | Sold out |
| 19 | KEY | KeyCorp | — | EXIT | Sold out |
| 20 | SWN1EUR | Southwestern Energy Co | — | NEW | New buy |
| 21 | ✓ | Juno Therapeutics | — | NEW | New buy |
| 22 | ✓ | Foundation Medicine INC | — | NEW | New buy |
| 23 | ✓ | Isis Pharmaceuticals INC | — | NEW | New buy |
| 24 | KBR | Kbr INC | — | EXIT | Sold out |
| 25 | SM | Sm Energy Co | — | NEW | New buy |
| 26 | SUNEQUSD | Sunedison INC | — | NEW | New buy |
| 27 | TWTRUSD | Twitter INC | — | EXIT | Sold out |
| 28 | ✓ | Memorial Resource Developmen | — | NEW | New buy |
| 29 | RRC | Range Resources CORP | — | NEW | New buy |
| 30 | FCX | Freeport-mcmoran INC | — | NEW | New buy |
| 31 | ✓ | Ritter Pharmaceuticals INC | — | EXIT | Sold out |
| 32 | ACHR | Archer Aviation Inc. | — | EXIT | Sold out |
| 33 | ✓ | Arch Coal Inc | — | NEW | New buy |
| 34 | ANRZQEUR | Alpha Natural Resources INC | — | EXIT | Sold out |
| 35 | ✓ | Proqr Thrapeutics N V | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2015-09-30 | 2015-11-13 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-13 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-14 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-13 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-13 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-13 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-14 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-12 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-12 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-12 | 13F-HR | View on EDGAR |
Institutions with a similar AUM
CIK 0001802837
Total reported value
$49.4M
4 stks
2025-09-30
Stale — no recent filing
AUM within 0.1% of this institution
CIK 0001832749
Total reported value
$49.6M
5 stks
2026-03-31
AUM within 0.2% of this institution
CIK 0001650318
Total reported value
$49.6M
1 stks
2018-09-30
Stale — no recent filing
AUM within 0.2% of this institution
Institutions with overlapping top holdings
CIK 0001169738
Total reported value
$26.8M
70 stks
2015-09-30
Stale — no recent filing
1 of the top 5 holdings overlap
CIK 0001402302
Total reported value
$75.0M
673 stks
2014-12-31
Stale — no recent filing
1 of the top 5 holdings overlap
CIK 0001454946
Total reported value
$12.0M
39 stks
2019-09-30
Stale — no recent filing
1 of the top 5 holdings overlap, including Hess CORP