Iron Triangle Partners LP

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Iron Triangle Partners LP reported 24 stock positions worth $954.0 million. Its top holding was Edwards Lifesciences (EW) at 7.0% of the portfolio, followed by Dexcom (DXCM, 6.9%) and Glaukos (GKOS, 6.3%). Compared with Q1 2024, it opened 9 new positions, sold out of 13, added to 10 and reduced 5. The biggest buy was a new position in Edwards Lifesciences (EW) and the biggest sale an exit from Icon (ICLR).

Most Recent 13F
Q4 2025
Location
Cos Cob, CT
CIK
0001779763
Portfolio Value
$954.0M (Q2 2024)
SEC Filing
0001172661-24-003544 ↗ filed Aug 14, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $966.4M Q1 2024 Q2 2024: $954.0M $954.0M Q2 2024 Q3 2024: $711.2M Q3 2024 Q4 2024: $857.9M Q4 2024 Q1 2025: $634.4M Q1 2025 Q2 2025: $631.9M Q2 2025 Q3 2025: $703.3M Q3 2025 Q4 2025: $874.7M Q4 2025

Holdings 24 stocks · $954.0M

EW Edwards Lifesciences Corp. 7.04% 727,180 $67.2M New
DXCM Dexcom Inc. 6.92% 582,199 $66.0M Add +23.4%
GKOS Glaukos Corp. 6.30% 508,156 $60.1M Add +18.3%
ACHC Acadia Healthcare Co. Inc. 5.94% 839,075 $56.7M Reduce -7.1%
ISRG Intuitive Surgical Inc. 5.64% 120,986 $53.8M Reduce -2.7%
MCK McKesson Corp. 5.64% 92,125 $53.8M Add +146.2%
TEVA Teva Pharmaceutical-SP ADR 5.62% 3,300,185 $53.6M Add +19.1%
PODD Insulet Corp. 5.59% 264,041 $53.3M New
ABBV Abbvie Inc. 5.12% 284,657 $48.8M Add +3.1%
DHR Danaher Corp. 4.90% 187,011 $46.7M New
ELAN Elanco Animal Health Inc. 4.88% 3,228,439 $46.6M Add +148.9%
BMRN Biomarin Pharmaceutical Inc. 4.79% 555,140 $45.7M New
WST West Pharmaceutical Services 4.59% 132,908 $43.8M Add +11.0%
BKD Brookdale Senior Living Inc. 4.15% 5,801,941 $39.6M Reduce -1.6%
INSP Inspire Medical Systems Inc. 3.96% 281,992 $37.7M New
OSCR Oscar Health Inc. Class A 3.04% 1,832,256 $29.0M Add +37.3%
INSM Insmed Inc. 2.90% 413,196 $27.7M New
NBIX Neurocrine Biosciences Inc. 2.89% 200,000 $27.5M Reduce -9.1%
ARGX Argenx SE - ADR 2.78% 61,704 $26.5M Add +37.1%
TWST Twist Bioscience Corp. 2.72% 526,455 $25.9M New
SDGR Schrodinger Inc. 2.30% 1,133,102 $21.9M Add +31.3%
AGL Agilon Health Inc. 1.73% 2,519,416 $16.5M New
MASS 908 Devices Inc. 0.39% 728,865 $3.8M Reduce -30.0%
ALMS Alumis Inc. 0.17% 125,000 $1.7M New

Options reported separately and not counted above: ACHC calls ($20.1M), ELAN calls ($9.5M).

Portfolio Sells Q1 2024 → Q2 2024

ICLR Icon PLC Sold out 0.00% −5.24
EXAS Exact Sciences Corp. Sold out 0.00% −5.00
ALGN Align Technology Inc. Sold out 0.00% −4.82
ILMN Illumina Inc. Sold out 0.00% −4.70
BRKR Bruker Corp. Sold out 0.00% −4.53
APLS Apellis Pharmaceuticals Inc. Sold out 0.00% −3.35
FTRE Fortrea Holdings Inc. Sold out 0.00% −3.29
AVTR Avantor Inc. Sold out 0.00% −3.04
SWAV Shockwave Medical Inc. Sold out 0.00% −2.69
SNDX Syndax Pharmaceuticals Inc. Sold out 0.00% −2.40
XBI SS SPDR S&P Biotech ETF Sold out 0.00% −2.22
CYTK Cytokinetics Inc. Sold out 0.00% −2.18
ACHC Acadia Healthcare Co. Inc. Reduce -7.1% 5.94% −1.46
MASS 908 Devices Inc. Reduce -30.0% 0.39% −0.42
NYXH Nyxoah SA Sold out 0.00% −0.35
NBIX Neurocrine Biosciences Inc. Reduce -9.1% 2.89% −0.25
BKD Brookdale Senior Living Inc. Reduce -1.6% 4.15% +0.12
ISRG Intuitive Surgical Inc. Reduce -2.7% 5.64% +0.51

Portfolio Buys Q1 2024 → Q2 2024

EW Edwards Lifesciences Corp. New 7.04% +7.04
PODD Insulet Corp. New 5.59% +5.59
DHR Danaher Corp. New 4.90% +4.90
BMRN Biomarin Pharmaceutical Inc. New 4.79% +4.79
INSP Inspire Medical Systems Inc. New 3.96% +3.96
MCK McKesson Corp. Add +146.2% 5.64% +3.56
INSM Insmed Inc. New 2.90% +2.90
TWST Twist Bioscience Corp. New 2.72% +2.72
ELAN Elanco Animal Health Inc. Add +148.9% 4.88% +2.70
GKOS Glaukos Corp. Add +18.3% 6.30% +2.11
AGL Agilon Health Inc. New 1.73% +1.73
TEVA Teva Pharmaceutical-SP ADR Add +19.1% 5.62% +1.58
OSCR Oscar Health Inc. Class A Add +37.3% 3.04% +0.98
ARGX Argenx SE - ADR Add +37.1% 2.78% +0.95
ALMS Alumis Inc. New 0.17% +0.17
DXCM Dexcom Inc. Add +23.4% 6.92% +0.15
ABBV Abbvie Inc. Add +3.1% 5.12% −0.08
SDGR Schrodinger Inc. Add +31.3% 2.30% −0.12
WST West Pharmaceutical Services Add +11.0% 4.59% −0.31

Options Activity Q1 2024 → Q2 2024

ACHC Acadia Healthcare Co. Inc. call New 298,200 $20.1M
ELAN Elanco Animal Health Inc. call Add +8.2% 660,800 $9.5M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q4 2025 27$874.7MCRL, ISRG, RGEN, JAZZ, VCYT
Q3 2025 25$703.3MCVS, DXCM, ABBV, MDT, CRL
Q2 2025 26$631.9MCVS, CRL, ABBV, MMSI, ICLR
Q1 2025 27$634.4MDVA, CAH, ABBV, TEVA, BSX
Q4 2024 22$857.9MA, GMED, ABBV, UNH, TEVA
Q3 2024 24$711.2MMEDP, ELAN, ILMN, THC, ACHC
Q2 2024 24$954.0MEW, DXCM, GKOS, ACHC, ISRG
Q1 2024 28$966.4MACHC, DXCM, ICLR, ABBV, ISRG