Heights Capital Management
Heights Capital Management reported 323 stocks worth $433M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are FLUT (6.9%), AMC (5.5%) and MGTX (2.6%). Compared with Q1 2026, the fund opened new positions in AMC, MGTX and TSHA, added to NYXH, trimmed DMAA, EMPD and FSHP and sold out of SLDP, IONQ and LAES.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  FLUT Flutter Entmt PLC | $30.1M | 6.9% | 294K | No change | 8 of 8 | |
| 2 |  AMC Amc Entmt Hldgs Inc | $24M | 5.5% | 12.6M | New position | 1 of 8 | |
| 3 |  MGTX Meiragtx Hldgs PLC | $11.5M | 2.6% | 850K | New position | 1 of 8 | |
| 4 |  TSHA Taysha Gene Therapies Inc | $10.2M | 2.4% | 1.5M | New position | 1 of 8 | |
| 5 |  OTAI.U Starlink Ai Acquisition Corp Unit 99/99/9999 | $10.1M | 2.3% | 1000K | New position | 1 of 8 | |
| 6 |  MTNE CH4 Natural Solutions Corp | $7.9M | 1.8% | 800K | New position | 1 of 8 | |
| 7 |  JACS Jackson Acquisition Co II | $7.4M | 1.7% | 700K | No change | 5 of 8 | |
| 8 |  ATLQU Jab Acquisition Corp I | $7M | 1.6% | 700K | New position | 1 of 8 | |
| 9 |  DMAA Drugs Made in Amer Acqutn Co | $6.9M | 1.6% | 648K | −1,917 (−0%) | 5 of 8 | |
| 10 |  TOYO Toyo Co Ltd | $6.9M | 1.6% | 989K | New position | 1 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 SLDP Solid Power Inc | $37.2M | 12.4M |
 IONQ Ionq Inc | $23.5M | 816K |
 LAES Sealsq Corp O | $8.2M | 3.1M |
FG MERGER II CORP C | $8M | 790K |
 PONOU Pono Cap Four Inc | $5.5M | 550K |
🔒 Free account: see all 30.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Heights Capital Management 13F FAQ
What does Heights Capital Management own?
Heights Capital Management reported 323 stocks worth $433M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are FLUT (6.9%), AMC (5.5%) and MGTX (2.6%). The table above lists every position in the filing (the top 10 without an account).
What did Heights Capital Management buy and sell in Q2 2026?
Compared with Q1 2026: 165 new positions, 1 added to, 75 trimmed and 106 sold out. New positions include AMC, MGTX and TSHA. It sold all of SLDP, IONQ and LAES.
When will Heights Capital Management file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Heights Capital Management's portfolio worth?
The Q2 2026 filing reports $433M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.