MHR Fund Management LLC holds a concentrated book of 10 stocks worth $1.4B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Terawulf Inc. Their largest long position is Telesat Corp at 48% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% 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 (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as MHR Fund Management LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 10 / 10 | $5.1B |
| Morgan Stanley | 10 / 10 | $1.2B |
| JPMorgan Chase & Co | 10 / 10 | $1.1B |
| UBS Group AG | 10 / 10 | $790.1M |
| Bank Of America Corp | 10 / 10 | $581.4M |
| Royal Bank Of Canada | 10 / 10 | $136.6M |
| BNP Paribas Financial Markets | 10 / 10 | $123.1M |
| Citigroup Inc | 10 / 10 | $116.8M |
Ranked by the share of each fund's own book sitting in the names it shares with MHR Fund Management LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Telesat Corp CL A & CL B SHS | $652.9M | 18.04M | 47.7% | —Held | |
| 2 | Lionsgate Studios Corp COM | $361.0M | 37.65M | 26.4% | —Held | |
| 3 | Hafnia Ltd SHS | $140.6M | 18.50M | 10.3% | —Held | |
| 4 | Iovance Biotherapeutics Inc COM | $101.7M | 28.97M | 7.4% | —Held | |
| 5 | Apollo Global Mgmt Inc COM | $44.5M | 399.5K | 3.3% | —Held | |
| 6 | Starz Entertainment Corp. COM | $32.9M | 2.86M | 2.4% | —Held | |
| 7 | Griffon Corp COM | $17.4M | 239.4K | 1.3% | ▲+92% Added · +114K sh | |
| 8 | Patria Investments Limited COM CL A | $11.3M | 900.0K | 0.8% | ▲+13% Added · +100K sh | |
| 9 | Terawulf Inc COM | $4.3M | 300.0K | 0.3% | ▲New New position | |
| 10 | Optimum Communications Inc CL A | $1.4M | 1.07M | 0.1% | —Held |
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.
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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1277742/holdings"
Use Arkolith to show MHR FUND MANAGEMENT LLC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 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. Price-derived performance is withheld until the price-source policy and freshness gate are green.