Login
Super Investors / HEIGHTS CAPITAL MANAGEMENT, INC
HC

HEIGHTS CAPITAL MANAGEMENT, INC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
Positions
0
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (8 quarters reported)

$375M
Q3 24 Q1 25 Q3 25 Q1 26 Q2 26

$135M in Q3 2024 → — now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 7 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Solid Power Inc Exited −12,395,558 −$37.2M
FE Flutter Entmt PLC Exited −294,180 −$30M
Ionq Inc Exited −815,542 −$23.5M
Compass Pathways PLC Exited −1,492,415 −$8.25M
Sealsq Corp Exited −3,136,465 −$8.22M
FM Fg Merger Ii Corp Exited −790,000 −$7.98M
Jackson Acquisition Co Ii Exited −700,000 −$7.41M
DM Drugs Made In Amer Acqutn Co Exited −650,000 −$6.83M
PC Pono Cap Four Inc Exited −550,000 −$5.49M
MA M3brigade Acquisition V Corp Exited −500,000 −$5.37M

Showing the 10 largest of 265 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Solid Power Inc New +12,395,558 +$37.2M 10.4%
Ionq Inc New +815,542 +$23.5M 6.6%
Nano Nuclear Energy Inc Trimmed −527,500 −$10.8M 0.5%
Compass Pathways PLC New +1,492,415 +$8.25M 2.3%
Sealsq Corp New +3,136,465 +$8.22M 2.3%
PC Pono Cap Four Inc New +550,000 +$5.49M 1.5%
MA M3brigade Acquisition V Corp New +500,000 +$5.37M 1.5%
DM Drugs Made In Amer Acq Ii Co Exited −519,400 −$5.19M
DM Drugs Made In Amer Acq Ii Co New +519,400 +$5.18M 1.4%
CC Churchill Cap Corp Xi Exited −499,000 −$5.09M

Showing the 10 largest of 230 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Immunitybio Inc Exited −6,565,709 −$16.2M
Nano Nuclear Energy Inc Exited −365,867 −$14.1M
Oatly Group Ab Exited −12,052,970 −$10.7M
Defi Development Corp Exited −586,312 −$8.98M
Nano Nuclear Energy Inc Trimmed −321,100 −$7.71M 5.2%
MA M3brigade Acquisition V Corp Exited −500,000 −$5.28M
CC Churchill Cap Corp Xi New +499,000 +$5.09M 1.8%
Cabaletta Bio Inc Exited −2,084,202 −$4.88M
IH Iron Horse Acquisit Corp Ii New +470,000 +$4.67M 1.7%
Nmp Acquisition Corp Exited −450,000 −$4.55M

Showing the 10 largest of 182 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 18, 2025

Company Action Shares changed Value of change % of portfolio
Archer Aviation Inc Exited −2,312,285 −$25.1M
Immunitybio Inc New +6,565,709 +$16.2M 4.6%
American Superconductor Corp Exited −342,900 −$12.6M
American Superconductor Corp Exited −340,102 −$12.5M
Nano Nuclear Energy Inc Trimmed −290,800 −$11.2M 10.2%
Adc Therapeutics Sa Trimmed −2,506,095 −$10M 0.4%
A Alvotech Exited −1,090,664 −$9.95M
Defi Development Corp New +586,312 +$8.98M 2.6%
Empery Digital Inc New +1,000,000 +$7.52M 2.1%
OH Ondas Hldgs Inc Exited −3,845,070 −$7.38M

Showing the 10 largest of 170 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Nano Nuclear Energy Inc Added +1,070,700 +$36.9M 11.2%
Plug Power Inc Exited −23,091,715 −$31.2M
Archer Aviation Inc New +2,312,285 +$25.1M 6.7%
Nano Labs Ltd New +1,440,018 +$13.4M 3.6%
Nano Nuclear Energy Inc New +374,567 +$12.9M 3.4%
American Superconductor Corp New +342,900 +$12.6M 3.4%
American Superconductor Corp New +340,102 +$12.5M 3.3%
A Alvotech New +1,090,664 +$9.95M 2.7%
FM Fg Merger Ii Corp New +790,000 +$7.8M 2.1%
FM Fg Merger Ii Corp Exited −790,000 −$7.71M

Showing the 10 largest of 199 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
Plug Power Inc New +23,091,715 +$31.2M 14.6%
Nano Nuclear Energy Inc Exited −833,334 −$20.7M
LC Landbridge Company LLC Exited −166,583 −$10.8M
FM Fg Merger Ii Corp New +790,000 +$7.71M 3.6%
Humacyte Inc New +4,025,000 +$6.86M 3.2%
DM Drugs Made In Amer Acqutn Co New +650,000 +$6.58M 3.1%
Psq Holdings Inc Exited −1,285,410 −$5.84M
Fifth Era Acquisition Corp I New +350,000 +$3.52M 1.7%
Nano Nuclear Energy Inc Added +116,600 +$3.09M 1.9%
Plum Acquisition Corp Iv New +250,000 +$2.53M 1.2%

Showing the 10 largest of 75 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Nano Nuclear Energy Inc New +833,334 +$20.7M 10.3%
LC Landbridge Company LLC New +166,583 +$10.8M 5.3%
OH Ondas Hldgs Inc Added +3,844,401 +$9.84M 6.1%
Jackson Acquisition Co Ii New +700,000 +$7.04M 3.5%
Sable Offshore Corp Exited −275,000 −$6.5M
Purecycle Technologies Inc New +7,000,000 +$6.47M 3.2%
Psq Holdings Inc New +1,285,410 +$5.84M 2.9%
Future Vision Ii Acquisition New +325,000 +$3.26M 1.6%
Future Vision Ii Acquisition Exited −325,000 −$3.26M
VA Voyager Acquisition Corp New +250,000 +$2.51M 1.2%

Showing the 10 largest of 120 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support