IMSR — TERRESTRIAL ENERGY INC
As of Q2 2026, 22 SEC-registered investment managers reported holding IMSR (TERRESTRIAL ENERGY INC) in their latest 13F filings, with a combined reported value of $53.04M across 7.50M shares. That is -0.1% by share count (-4.33K shares) versus the previous quarter, while reported value moved +17.7%. Ownership is concentrated: the five largest holders account for 70.8% of reported value and the top ten for 93.8%.
Compared with the prior quarter, 5 opened new positions, 5 added to existing stakes, 11 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
IMSR is classified in the Industrials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 22 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 1.77M | $12.55M | 0.00% | Add |
| BlackRock Inc history | 1.07M | $7.61M | 0.00% | Reduce |
| JPMorgan Chase & Co history | 966.80K | $6.78M | 0.00% | New |
| Citadel Advisors history | 805.96K | $5.71M | 0.00% | Reduce |
| Geode Capital Management history | 693.93K | $4.92M | 0.00% | Add |
| D. E. Shaw & Co history | 667.97K | $4.73M | 0.00% | Reduce |
| Morgan Stanley history | 412.81K | $2.92M | 0.00% | Add |
| Charles Schwab Investment Management history | 333.60K | $2.36M | 0.00% | Reduce |
| Renaissance Technologies history | 183.80K | $1.30M | 0.00% | Reduce |
| Northern Trust Corp history | 126.54K | $895.90K | 0.00% | Add |
| Millennium Management history | 96.03K | $679.93K | 0.00% | New |
| Moore Capital Management history | 75.00K | $531.00K | 0.01% | Hold |
| AQR Capital Management history | 59.78K | $423.22K | 0.00% | New |
| Goldman Sachs Group history | 59.42K | $420.73K | 0.00% | Reduce |
| Balyasny Asset Management history | 56.46K | $399.74K | 0.00% | Reduce |
| CPP Investments history | 29.00K | $205.32K | 0.00% | New |
| Bank of America Corp history | 25.43K | $180.05K | 0.00% | Reduce |
| Legal & General Investment Management America history | 21.54K | $152.48K | 0.00% | Add |
| Marshall Wace history | 20.28K | $143.57K | 0.00% | Reduce |
| BNY Mellon history | 16.91K | $119.73K | 0.00% | Reduce |
| Citigroup Inc history | 1.51K | $10.69K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 1.30K | $9.20K | 0.00% | New |
Q1 2026 — 17 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 1.97M | $11.80M | 0.00% | Reduce |
| D. E. Shaw & Co history | 1.21M | $7.29M | 0.01% | Add |
| BlackRock Inc history | 1.12M | $6.73M | 0.00% | Add |
| Geode Capital Management history | 659.39K | $3.96M | 0.00% | Reduce |
| UBS Group AG history | 493.58K | $2.96M | 0.00% | Reduce |
| Renaissance Technologies history | 407.90K | $2.45M | 0.00% | Add |
| Goldman Sachs Group history | 396.24K | $2.38M | 0.00% | Add |
| Charles Schwab Investment Management history | 337.99K | $2.03M | 0.00% | Reduce |
| Morgan Stanley history | 285.55K | $1.71M | 0.00% | Add |
| Balyasny Asset Management history | 205.90K | $1.24M | 0.00% | Reduce |
| Bank of America Corp history | 132.75K | $797.16K | 0.00% | Add |
| Northern Trust Corp history | 124.54K | $747.85K | 0.00% | Reduce |
| Moore Capital Management history | 75.00K | $450.38K | 0.01% | Add |
| Citigroup Inc history | 26.91K | $161.58K | 0.00% | Add |
| Marshall Wace history | 26.28K | $157.66K | 0.00% | Reduce |
| BNY Mellon history | 17.04K | $102.30K | 0.00% | New |
| Legal & General Investment Management America history | 15.23K | $91.45K | 0.00% | New |
Q4 2025 — 21 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 2.41M | $14.74M | 0.00% | New |
| Vanguard Group history | 1.85M | $11.30M | 0.00% | New |
| Balyasny Asset Management history | 1.40M | $8.56M | 0.01% | New |
| JPMorgan Chase & Co history | 1.17M | $7.15M | 0.00% | New |
| BlackRock Inc history | 1.09M | $6.68M | 0.00% | New |
| D. E. Shaw & Co history | 1.08M | $6.60M | 0.00% | New |
| Geode Capital Management history | 796.33K | $4.87M | 0.00% | New |
| UBS Group AG history | 512.64K | $3.13M | 0.00% | New |
| Charles Schwab Investment Management history | 410.88K | $2.51M | 0.00% | New |
| Goldman Sachs Group history | 281.76K | $1.72M | 0.00% | New |
| Renaissance Technologies history | 172.80K | $1.06M | 0.00% | New |
| Northern Trust Corp history | 156.38K | $955.46K | 0.00% | New |
| Morgan Stanley history | 122.31K | $747.30K | 0.00% | New |
| Wells Fargo & Co history | 100.00K | $611.00K | 0.00% | New |
| Bank of America Corp history | 67.73K | $413.82K | 0.00% | New |
| Two Sigma Investments history | 57.71K | $352.62K | 0.00% | New |
| Moore Capital Management history | 50.00K | $305.50K | 0.00% | New |
| Millennium Management history | 31.66K | $193.43K | 0.00% | New |
| Marshall Wace history | 30.89K | $188.76K | 0.00% | New |
| Citigroup Inc history | 12.32K | $75.27K | 0.00% | New |
| Fidelity Management & Research (FMR) history | 100 | $611 | 0.00% | New |
New Positions (Q2 2026)
- JPMorgan Chase & Co 966.80K sh · $6.78M
- Millennium Management 96.03K sh · $679.93K
- AQR Capital Management 59.78K sh · $423.22K
- CPP Investments 29.00K sh · $205.32K
- Fidelity Management & Research (FMR) 1.30K sh · $9.20K
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 |
|---|---|---|---|
| UBS Group AG | 1.77M | 493.58K | 512.64K |
| BlackRock Inc | 1.07M | 1.12M | 1.09M |
| JPMorgan Chase & Co | 966.80K | — | 1.17M |
| Citadel Advisors | 805.96K | 1.97M | 2.41M |
| Geode Capital Management | 693.93K | 659.39K | 796.33K |
| D. E. Shaw & Co | 667.97K | 1.21M | 1.08M |
| Morgan Stanley | 412.81K | 285.55K | 122.31K |
| Charles Schwab Investment Management | 333.60K | 337.99K | 410.88K |
| Renaissance Technologies | 183.80K | 407.90K | 172.80K |
| Northern Trust Corp | 126.54K | 124.54K | 156.38K |
| Millennium Management | 96.03K | — | 31.66K |
| Moore Capital Management | 75.00K | 75.00K | 50.00K |
| AQR Capital Management | 59.78K | — | — |
| Goldman Sachs Group | 59.42K | 396.24K | 281.76K |
| Balyasny Asset Management | 56.46K | 205.90K | 1.40M |
| CPP Investments | 29.00K | — | — |
| Bank of America Corp | 25.43K | 132.75K | 67.73K |
| Legal & General Investment Management America | 21.54K | 15.23K | — |
| Marshall Wace | 20.28K | 26.28K | 30.89K |
| BNY Mellon | 16.91K | 17.04K | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details