Checkpoint Capital L.P.

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Checkpoint Capital L.P. reported 16 stock positions worth $165.9 million. Its top holding was Rhythm Pharmaceuticals (RYTM) at 22.8% of the portfolio, followed by Argenx SE - ADR (ARGX, 21.3%) and Axsome Therapeutics (AXSM, 14.1%). Compared with Q1 2024, it opened 4 new positions, sold out of 5, added to 8 and reduced 3. The biggest buy was Axsome Therapeutics (AXSM, shares +120%) and the biggest sale an exit from Mirum Pharmaceuticals (MIRM).

Most Recent 13F
Q2 2026
Location
SAN FRANCISCO, CA
CIK
0001977548
Portfolio Value
$165.9M (Q2 2024)
SEC Filing
0001977548-24-000007 ↗ filed Aug 14, 2024

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $149.6M Q1 2024 Q2 2024: $165.9M $165.9M Q2 2024 Q3 2024: $201.6M Q3 2024 Q4 2024: $196.5M Q4 2024 Q1 2025: $182.3M Q1 2025 Q2 2025: $214.6M Q2 2025 Q3 2025: $298.5M Q3 2025 Q4 2025: $315.6M Q4 2025 Q1 2026: $278.7M Q1 2026 Q2 2026: $389.8M Q2 2026

Holdings 16 stocks · $165.9M

RYTM Rhythm Pharmaceuticals Inc. 22.82% 922,100 $37.9M Add +11.7%
ARGX Argenx SE - ADR 21.30% 82,150 $35.3M Add +0.2%
AXSM Axsome Therapeutics Inc. 14.11% 290,772 $23.4M Add +119.5%
AVDL Avadel Pharmaceuticals Ltd. 9.65% 1,138,178 $16.0M Add +62.3%
PTGX Protagonist Therapeutics Inc. 7.42% 355,000 $12.3M Add +26.6%
CYTK Cytokinetics Inc. 6.21% 190,000 $10.3M No change
PHAT Phathom Pharmaceuticals Inc. 5.43% 875,000 $9.0M Add +96.6%
CORT Corcept Therapeutics Inc. 4.79% 244,750 $8.0M Reduce -10.6%
ATYR Atyr Pharma Inc. 1.83% 1,946,477 $3.0M Add +34.6%
PLRX Pliant Therapeutics Inc. 1.50% 232,200 $2.5M New
KYMR Kymera Therapeutics Inc. 1.48% 82,000 $2.4M New
CDTX Cidara Therapeutics Inc. 1.05% 145,417 $1.7M New
TRVI Trevi Therapeutics Inc. 0.90% 500,089 $1.5M Reduce -1.2%
APLT Applied Therapeutics Inc. 0.64% 227,470 $1.1M Add +3.4%
SLNO Soleno Therapeutics Inc. 0.48% 19,695 $804K New
ALLK Allakos LLC 0.39% 649,957 $650K Reduce -15.4%

Portfolio Sells Q1 2024 → Q2 2024

MIRM Mirum Pharmaceuticals Inc. Sold out 0.00% −6.08
IRWD Ironwood Pharmaceuticals Inc. Sold out 0.00% −3.60
VSTM Verastem Inc. Sold out 0.00% −1.33
GHRS GH Research PLC Sold out 0.00% −1.32
ATRA Atara Biotherapeutics Inc. Sold out 0.00% −0.41
TRVI Trevi Therapeutics Inc. Reduce -1.2% 0.90% −0.27
ALLK Allakos LLC Reduce -15.4% 0.39% −0.25
CORT Corcept Therapeutics Inc. Reduce -10.6% 4.79% +0.18

Portfolio Buys Q1 2024 → Q2 2024

AXSM Axsome Therapeutics Inc. Add +119.5% 14.11% +7.05
PHAT Phathom Pharmaceuticals Inc. Add +96.6% 5.43% +2.27
PTGX Protagonist Therapeutics Inc. Add +26.6% 7.42% +2.00
AVDL Avadel Pharmaceuticals Ltd. Add +62.3% 9.65% +1.73
PLRX Pliant Therapeutics Inc. New 1.50% +1.50
KYMR Kymera Therapeutics Inc. New 1.48% +1.48
CDTX Cidara Therapeutics Inc. New 1.05% +1.05
SLNO Soleno Therapeutics Inc. New 0.48% +0.48
ATYR Atyr Pharma Inc. Add +34.6% 1.83% −0.05
ARGX Argenx SE - ADR Add +0.2% 21.30% −0.28
APLT Applied Therapeutics Inc. Add +3.4% 0.64% −0.36
RYTM Rhythm Pharmaceuticals Inc. Add +11.7% 22.82% −1.08

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$389.8MRYTM, ARGX, RVMD, CYTK, IRON
Q1 2026 8$278.7MARGX, RYTM, RVMD, IRON, CYTK
Q4 2025 6$315.6MARGX, RYTM, IRON, RVMD, CORT
Q3 2025 10$298.5MARGX, RYTM, CORT, IRON, RVMD
Q2 2025 8$214.6MARGX, RYTM, CORT, IRON, RVMD
Q1 2025 14$182.3MARGX, RYTM, RVMD, SLNO, IRON
Q4 2024 16$196.5MARGX, RYTM, PHAT, AXSM, IRON
Q3 2024 16$201.6MARGX, RYTM, PHAT, CYTK, AXSM
Q2 2024 16$165.9MRYTM, ARGX, AXSM, AVDL, PTGX
Q1 2024 17$149.6MRYTM, ARGX, CYTK, AVDL, AXSM