Boundary Creek Advisors LP
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 8, 2024), Boundary Creek Advisors LP reported 9 stock positions worth $152.7 million. Its top holding was Mativ (MATV) at 26.1% of the portfolio, followed by Mercer International (MERC, 19.0%) and Solaris Resources (SLSR, 12.2%). Compared with Q2 2024, it opened 1 new position, sold out of 8, added to 3 and reduced 5. The biggest buy was Centrus Energy Class A (LEU, shares +34%) and the biggest sale an exit from Brightstar Lottery (BRSL).
- Most Recent 13F
- Q2 2026
- Location
- TUCKAHOE, NY
- CIK
- 0001771944
- Portfolio Value
- $152.7M (Q3 2024)
- SEC Filing
- 0001771944-24-000008 ↗ filed Nov 8, 2024
Holdings Value
Holdings 9 stocks · $152.7M
| MATV Mativ Holdings Inc. | 26.07% | 2,343,340 | $39.8M | Reduce -13.6% |
| MERC Mercer International Inc. | 19.02% | 4,289,752 | $29.0M | Add +0.0% |
| SLSR Solaris Resources Inc. | 12.25% | 7,225,500 | $18.7M | Add +16.1% |
| LEU Centrus Energy Corp. Class A | 11.75% | 327,095 | $17.9M | Add +33.6% |
| KNX Knight-Swift Transportation | 9.31% | 263,435 | $14.2M | Reduce -34.3% |
| AMBP Ardagh Metal Packaging SA | 9.10% | 3,685,893 | $13.9M | Reduce -34.6% |
| OPTU Optimum Communications Inc. Class A filed as ALTICE USA INC | 5.84% | 3,623,219 | $8.9M | New |
| UIS Unisys Corp. | 5.65% | 1,520,087 | $8.6M | Reduce -5.7% |
| URBAN ONE INC | 1.01% | 1,390,483 | $1.5M | Reduce -6.4% |
Options reported separately and not counted above: SPY puts ($459.0M), IWM puts ($220.9M), HYG puts ($200.8M), MPT puts ($57.5M), CCL puts ($55.4M), VST calls ($35.6M), MATV calls ($31.2M), AAL puts ($16.9M), ABR puts ($15.6M), OPTU calls ($13.9M), LEU calls ($13.8M), MERC calls ($3.8M), and 2 more.
Other holdings (2): bonds, preferreds, convertibles and warrants · $7.4M (not counted above)
Total filed on the 13F, all lines: $160.1M.
Portfolio Sells Q2 2024 → Q3 2024
| BRSL Brightstar Lottery PLC | Sold out | 0.00% | −6.90 |
| BALY Bally's Corp. | Sold out | 0.00% | −5.84 |
| VST Vistra Corp. | Sold out | 0.00% | −3.74 |
| DNN Denison Mines Corp. | Sold out | 0.00% | −2.31 |
| OI O-I Glass Inc. | Sold out | 0.00% | −1.36 |
| URG Ur-Energy Inc. | Sold out | 0.00% | −1.04 |
| EU Encore Energy Corp. | Sold out | 0.00% | −0.63 |
| KNX Knight-Swift Transportation | Reduce -34.3% | 9.31% | −0.56 |
| AMBP Ardagh Metal Packaging SA | Reduce -34.6% | 9.10% | −0.34 |
| URBAN ONE INC | Sold out | 0.00% | −0.10 |
| URBAN ONE INC | Reduce -6.4% | 1.01% | −0.09 |
| UIS Unisys Corp. | Reduce -5.7% | 5.65% | +2.38 |
| MATV Mativ Holdings Inc. | Reduce -13.6% | 26.07% | +3.43 |
Portfolio Buys Q2 2024 → Q3 2024
Options Activity Q2 2024 → Q3 2024
| SPY SS SPDR S&P 500 ETF Trust-US | put | Reduce -23.8% | 800,000 | $459.0M |
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | put | New | 2,500,000 | $200.8M |
| MPT Medical Properties Trust Inc. | put | Add +391.6% | 9,832,000 | $57.5M |
| CCL Carnival Corp. | put | New | 3,000,000 | $55.4M |
| KNX Knight-Swift Transportation | call | Sold out | 1,000,000 | $49.9Mbefore exit |
| VST Vistra Corp. | call | New | 300,000 | $35.6M |
| MATV Mativ Holdings Inc. | call | Add +47.0% | 1,837,500 | $31.2M |
| AAL American Airlines Group Inc. | put | New | 1,500,000 | $16.9M |
| ABR Arbor Realty Trust Inc. | put | New | 1,000,000 | $15.6M |
| OPTU Optimum Communications Inc. Class A | call | Add +465.6% | 5,655,500 | $13.9M |
| LEU Centrus Energy Corp. Class A | call | New | 252,100 | $13.8M |
| JELD Jeld-Wen Holding Inc. | call | Sold out | 1,000,000 | $13.5Mbefore exit |
| CRK Comstock Resources Inc. | put | Sold out | 500,000 | $5.2Mbefore exit |
| MERC Mercer International Inc. | call | Reduce -37.3% | 558,400 | $3.8M |
| AMBP Ardagh Metal Packaging SA | call | Sold out | 754,100 | $2.6Mbefore exit |
| SLSR Solaris Resources Inc. | call | New | 500,000 | $1.3M |
| UIS Unisys Corp. | call | New | 50,000 | $284K |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q2 2024 → Q3 2024
| WOLF Wolfspeed Inc. (wolf 1.875 12/01/29) | NOTE 1.875%12/0 · principal | New | 19,500,000 | $7.4M |
| LENDINGTREE INC (TREE 0.5 07/15/25) | NOTE 0.500% 7/1 · principal | Sold out | 7,600,000 | $7.0Mbefore exit |
| VEEAW Plum Acquisition I A -CW28 | *W EXP 09/13/202 | New | 28,083 | $7K |
| SLNWF Selina Hospitality PLC-27 | *W EXP 10/27/202 | Sold out | 200,000 | $3Kbefore exit |
| VEEAW Plum Acquisition I A -CW28 | *W EXP 03/18/202 | Sold out | 28,083 | $2Kbefore exit |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 0 | $0 | |
| Q1 2026 | 1 | $15.3M | GBTG |
| Q4 2025 | 1 | $20.9M | GBTG |
| Q3 2025 | 1 | $22.9M | GBTG |
| Q2 2025 | 3 | $39.9M | SLSR, MATV, MERC |
| Q1 2025 | 11 | $109.7M | SLSR, MERC, KNX, MATV, LEU |
| Q4 2024 | 11 | $149.4M | MERC, MATV, KNX, SLSR, LEU |
| Q3 2024 | 9 | $152.7M | MATV, MERC, SLSR, LEU, KNX |
| Q2 2024 | 16 | $203.0M | MATV, MERC, KNX, AMBP, SLSR |
| Q1 2024 | 11 | $146.8M | MATV, MERC, BRSL, AMBP, KNX |