Arkolith/Funds/Tri Locum Partners LP

Tri Locum Partners LP

CIK 1826434
Holdings as of Mar 31, 2026·disclosed May 18, 2026·~48-day 13F lag·13F-HR
Active Filer

Tri Locum Partners LP holds a focused book of 17 stocks worth $712.5M as of Q1 2026 (disclosed May 18, 2026, a ~45-day 13F lag). This quarter they opened INTUITIVE SURGICAL INC and trimmed JOHNSON & JOHNSON. Their largest long position is JOHNSON & JOHNSON at 14% of the equity book.

Build

Build on this 13F portfolio

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent what Tri Locum Partners LP owns

This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/funds/1826434/holdings"
Ask your agent
Use Arkolith to show Tri Locum Partners LP's latest
holdings, largest changes, and filing provenance.
Opened
5
new positions
Added to
4
existing
Trimmed
8
reduced
Sold out
4
exited

Concentration

Top-heavy: focused book

Top 5 holdings
50%
Top 10 holdings
82%
Top 20 holdings
100%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

52% mapped to company sectors

Health Care
52%
ETF / fund or unclassified
48%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
  • INTUITIVE SURGICAL INC
    New$70.6M
  • THERMO FISHER SCIENTIFIC INC
    New$65.1M
  • New$57.7M
  • JAZZ PHARMACEUTICALS PLC
    New$30.0M
  • TARSUS PHARMACEUTICALS INC
    Added$17.7M
  • DEXCOM INC
    +66%$17.4M
Trimmed / exited

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

17 positions
#SecurityValueShares% PortLast moveHistory
1Johnson & Johnson
COM
$101.3M414.5K
14.2%
−31%
Reduced · −189K sh
2Intuitive Surgical Inc
COM NEW
$70.6M153.3K
9.9%
New
New position
3Thermo Fisher Scientific Inc
COM
$65.1M132.4K
9.1%
New
New position
4Ascendis Pharma A/s
SPONSORED ADR
$58.4M255.3K
8.2%
−3.6%
Reduced · −10K sh
5Vertex Pharmaceuticals Inc
COM
$57.7M129.3K
8.1%
New
New position
6Eli Lilly & Co
COM
$56.8M61.8K
8.0%
−2.4%
Reduced · −1K sh
7Madrigal Pharmaceuticals Inc
COM
$54.1M103.3K
7.6%
+20%
Added · +17K sh
8Dexcom Inc
COM
$43.8M698.2K
6.2%
+66%
Added · +277K sh
9United Therapeutics Corp Del
COM
$41.7M70.4K
5.9%
−42%
Reduced · −51K sh
10Nuvalent Inc
COM
$31.6M308.5K
4.4%
+0.4%
Added · +1K sh
11Teva Pharmaceutical Inds Ltd
SPONSORED ADS
$30.8M1.02M
4.3%
−29%
Reduced · −415K sh
12Jazz Pharmaceuticals PLC
SHS USD
$30.0M158.7K
4.2%
New
New position
13Argenx SE
SPONSORED ADR
$23.1M31.6K
3.2%
−16%
Reduced · −6K sh
14Tarsus Pharmaceuticals Inc
COM
$17.7M252.6K
2.5%
Added
Added · +253K sh
15Dianthus Therapeutics Inc
COM
$12.2M145.5K
1.7%
−77%
Reduced · −477K sh
16Axsome Therapeutics Inc.
COM
$10.5M62.1K
1.5%
−69%
Reduced · −140K sh
17Definium Therapeutics Inc
COM SHS
$7.0M369.6K
1.0%
New
New position
Showing all 17 positions

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 18, 202617$712.5M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202615$770.1M13F-HR
Q3 2025Sep 30, 2025Nov 14, 202518$435.1M13F-HR
Q2 2025Jun 30, 2025Aug 14, 202523$329.5M13F-HR
Q1 2025Mar 31, 2025May 14, 202522$194.9M13F-HR
Q4 2024Dec 31, 2024Feb 14, 202528$482.7M13F-HR
Q3 2024Sep 30, 2024Nov 14, 202420$417.4M13F-HR
Q2 2024Jun 30, 2024Aug 14, 202425$395.5M13F-HR
Q1 2024Mar 31, 2024May 15, 202427$288.4M13F-HR
Q4 2023Dec 31, 2023Feb 14, 202424$218.8M13F-HR
Q3 2023Sep 30, 2023Nov 14, 202361$312.8M13F-HR
Q2 2023Jun 30, 2023Aug 14, 202359$269.1M13F-HR
Q1 2023Mar 31, 2023May 15, 202347$328.3M13F-HR
Q4 2022Dec 31, 2022Feb 14, 202373$247.2M13F-HR
Q3 2022Sep 30, 2022Nov 14, 202241$364.3M13F-HR
Q2 2022Jun 30, 2022Aug 15, 202251$244.2M13F-HR
Q1 2022Mar 31, 2022May 16, 202237$256.0M13F-HR
Q4 2021Dec 31, 2021Feb 14, 202241$254.0M13F-HR
Q3 2021Sep 30, 2021Nov 15, 202130$251.6M13F-HR
Q2 2021Jun 30, 2021Aug 16, 202131$305.5M13F-HR
Q1 2021Mar 31, 2021May 17, 202135$403.2M13F-HR
Q4 2020Dec 31, 2020Feb 16, 202165$275.4M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.