Clearline Capital LP holds a diversified book of 103 stocks worth $1.3B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened AKAMAI TECHNOLOGIES INC and trimmed ROGERS CORP. Their largest long position is CORE SCIENTIFIC INC NEW at 9% of the equity book. They also disclosed $639.9M in put options (a bearish bet), shown separately below and excluded from the equity book.
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Use Arkolith to show Clearline Capital LP's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
20% mapped to company sectors
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.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Core Scientific Inc New COM | $121.8M | 8.14M | 9.5% | ▲+74% Added · +3.4M sh | |
| 2 | Nvidia Corporation COM | $52.3M | 299.7K | 4.1% | ▲+50% Added · +100K sh | |
| 3 | Rogers Corp COM | $50.3M | 468.4K | 3.9% | ▼−0.9% Reduced · −4K sh | |
| 4 | Vistra Corp COM | $43.1M | 287.0K | 3.4% | ▲+18% Added · +44K sh | |
| 5 | Primo Brands Corporation CLASS A COM SHS | $43.0M | 2.28M | 3.3% | ▼−8.4% Reduced · −211K sh | |
| 6 | Echostar Corp CL A | $40.5M | 345.8K | 3.1% | ▼−61% Reduced · −538K sh | |
| 7 | Micron Technology Inc COM | $39.6M | 117.3K | 3.1% | ▼−31% Reduced · −52K sh | |
| 8 | Talen Energy Corp COM | $36.1M | 113.2K | 2.8% | ▼−15% Reduced · −21K sh | |
| 9 | Novanta Inc COM | $33.6M | 284.2K | 2.6% | ▼−12% Reduced · −38K sh | |
| 10 | Advanced Micro Devices Inc COM | $30.8M | 151.5K | 2.4% | ▲+14% Added · +18K sh | |
| 11 | Madison Square GRDN SPRT Cor CL A | $30.6M | 95.1K | 2.4% | ▼−23% Reduced · −29K sh | |
| 12 | Parsons Corp Del COM | $29.5M | 544.5K | 2.3% | ▲+32% Added · +131K sh | |
| 13 | Semtech Corp COM | $29.5M | 383.2K | 2.3% | ▲+34% Added · +97K sh | |
| 14 | Tic Solutions Inc COM | $27.8M | 4.23M | 2.2% | ▲+29% Added · +951K sh | |
| 15 | Akamai Technologies Inc COM | $27.3M | 237.9K | 2.1% | ▲New New position | |
| 16 | Golar LNG Ltd SHS | $24.8M | 457.6K | 1.9% | ▼−57% Reduced · −610K sh | |
| 17 | Rocket Cos Inc COM CL A | $24.6M | 1.73M | 1.9% | ▲+290% Added · +1.3M sh | |
| 18 | Mediaalpha Inc CL A | $24.1M | 2.59M | 1.9% | ▲+99% Added · +1.3M sh | |
| 19 | Elastic N V ORD SHS | $22.1M | 441.2K | 1.7% | ▲+604% Added · +379K sh | |
| 20 | Amazon Com Inc COM | $19.9M | 95.7K | 1.6% | ▼−44% Reduced · −77K sh | |
| 21 | KBR Inc COM | $17.7M | 480.2K | 1.4% | ▲+28% Added · +104K sh | |
| 22 | Etsy Inc COM | $17.1M | 342.0K | 1.3% | ▲New New position | |
| 23 | Xperi Inc COMMON STOCK | $16.5M | 2.95M | 1.3% | ▲+0.1% Added · +3K sh | |
| 24 | Vail Resorts Inc COM | $16.0M | 124.5K | 1.2% | ▲+247% Added · +89K sh | |
| 25 | Pool Corp COM | $15.8M | 78.1K | 1.2% | ▲+141% Added · +46K sh | |
| 26 | NCR Voyix Corporation COM | $15.3M | 2.41M | 1.2% | ▼−14% Reduced · −379K sh | |
| 27 | James Hardie Inds PLC ORD SHS | $14.6M | 769.5K | 1.1% | ▼−11% Reduced · −98K sh | |
| 28 | Terawulf Inc COM | $13.9M | 962.8K | 1.1% | ▲75× Added · +950K sh | |
| 29 | Blackbaud Inc COM | $13.5M | 350.2K | 1.1% | ▼−9.1% Reduced · −35K sh | |
| 30 | Riskified Ltd SHS CL A | $12.2M | 3.11M | 0.9% | —Held | |
| 31 | Ncino Inc COM | $12.0M | 799.3K | 0.9% | ▲New New position | |
| 32 | Liberty Global Ltd COM CL A | $11.7M | 968.8K | 0.9% | ▼−10% Reduced · −111K sh | |
| 33 | Snowflake Inc COM SHS | $11.6M | 76.8K | 0.9% | ▲New New position | |
| 34 | Bausch Plus Lomb Corp COMMON SHARES | $11.2M | 702.0K | 0.9% | ▼−15% Reduced · −126K sh | |
| 35 | Churchill Downs Inc COM | $10.8M | 120.3K | 0.8% | ▲New New position | |
| 36 | Vistance Networks Inc COM | $10.5M | 576.6K | 0.8% | ▲+9.7% Added · +51K sh | |
| 37 | Broadcom Inc COM | $10.5M | 33.8K | 0.8% | ▲New New position | |
| 38 | Compass Inc CL A | $10.4M | 1.42M | 0.8% | ▲New New position | |
| 39 | Oracle Corp COM | $10.1M | 68.8K | 0.8% | ▲New New position | |
| 40 | Six Flags Entertainment Corp COM | $10.0M | 561.0K | 0.8% | ▼−0.8% Reduced · −4K sh | |
| 41 | Heron Therapeutics Inc COM | $9.8M | 12.24M | 0.8% | —Held | |
| 42 | Cooper Cos Inc COM | $9.6M | 134.0K | 0.7% | ▲+230% Added · +93K sh | |
| 43 | Baidu Inc SPON ADR REP A | $9.5M | 85.3K | 0.7% | —Held | |
| 44 | Dave & Busters Entmt Inc COM | $9.0M | 829.6K | 0.7% | ▲+21% Added · +146K sh | |
| 45 | Pennymac Finl Svcs Inc New COM | $8.9M | 102.4K | 0.7% | ▲New New position | |
| 46 | Avantor Inc COM | $8.8M | 1.12M | 0.7% | ▲+124% Added · +621K sh | |
| 47 | Schein Henry Inc COM | $8.6M | 116.5K | 0.7% | ▼−43% Reduced · −89K sh | |
| 48 | Nebius Group N.V. SHS CLASS A | $8.4M | 81.3K | 0.7% | ▼−19% Reduced · −20K sh | |
| 49 | Mistras Group Inc COM | $8.2M | 554.1K | 0.6% | ▼−21% Reduced · −145K sh | |
| 50 | RH COM | $8.1M | 57.7K | 0.6% | ▼−13% Reduced · −9K sh |
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | ISHARES RUSSELL 2000 ETFIWM | $347.2M | 1.4M |
| PUT · bearish | SS SPDR S&P 500 ETF TRUST-USSPY | $292.7M | 450K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 106 | $1.9B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 103 | $2.0B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 108 | $2.2B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 109 | $2.7B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 16, 2025 | 116 | $1.7B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 94 | $755.4M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 141 | $2.4B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 15, 2024 | 144 | $3.6B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 120 | $2.0B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 101 | $1.6B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 125 | $1.2B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 15, 2023 | 114 | $1.7B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 108 | $663.4M | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 121 | $558.9M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 142 | $836.3M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 141 | $773.9M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 131 | $869.8M | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 159 | $909.5M | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 156 | $1.1B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 146 | $671.0M | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 120 | $770.9M | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 70 | $448.3M | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 16, 2020 | 82 | $381.4M | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Aug 14, 2020 | 66 | $306.9M | 13F-HR |
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.