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Equity · Utilities

IMSR

NASDAQ

Terrestrial Energy Inc.

$3.06 +1.83% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 16, 2026

Reddit mentioned IMSR 12 times in the 30 days to 20 October 2026, across 2 of the communities we track. All of them were scored for sentiment: 58% read bullish, 17% bearish and 25% neither. Reddit data updated 20 October 2026.

Price · Chart
62 sessions
$8 $2 22 Jul 16 Oct

The line runs $5.38 on 22 July through $3.06 on 16 October, on a scale from $2 to $8. Days the market did not trade hold the previous close, flat.

Market cap $323.6M
Avg volume 103.9K
Mentions · 30d 12
Net sentiment +0.05

as of Oct 16, 2026

IMSR · crowd attention × price

Share ↗
12 mentions

Day17 Oct 2026

MENTIONS10–3 / day
PRICE$3.06 · closedMARKET CLOSED · held
IMSR over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.per day0123usd$2$3$4$521 Sep28 Sep6 Oct13 Oct20 Oct
IMSR over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.21 Sep6 Oct20 Oct
The Distributed Sentinel 20 Oct 2026

IMSR's busiest day for Reddit mentions sat one session from its highest close of the window — 2 mentions on 23 September, $4.63 on 22 September

This chart in words

The chart plots daily Reddit mentions of IMSR over the 30 days to 20 October 2026: 12 in total, busiest on 23 September with 2, and 1 on the last day counted. Across this window the close ran between $3 on 12 October and $4.63 on 22 September. The line is the daily close over the same window: $4.51 on 21 September, $3.06 on 16 October. Of those days, 20 were trading sessions and the other 10 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 2 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.

Crowd sentiment on IMSR · 30d

n = 12 scored · Method
IMSR

58% bullish

Overall market sentiment

54% bullish

IMSR reads 4 points more bullish than overall market sentiment. Same measure; same 30-day window.

Where IMSR is discussed

(30d)
r/wallstreetbets 83% 10 +0.04
r/stocks 17% 2 +0.10

Moves with IMSR

co-mention r · 31 obs

Tickers whose daily Reddit volume rose and fell with IMSR's. Co-discussion, not price.

How closely daily Reddit mention counts rose and fell together over the last 30 days (31 daily observations) · Method

IMSR insider trades

SEC Form 4

IMSR has no Form 4 filing in the last 90 days, so there is no summary for that window. The most recent filings we hold are below, the newest dated 6 November 2025.

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
06 Nov 2025 Matthews Shawn Other (filer-described) 6,420,000
28 Oct 2025 Matthews Shawn Other (filer-described) 11,751,113 $63.74M
28 Oct 2025 Loveless Jacob Other (filer-described) 25,000
28 Oct 2025 Irish Simon Chief Executive Officer Award 166,298
28 Oct 2025 Brenner Andrew Scott Other (filer-described) 25,000
28 Oct 2025 Connor Michael J Other (filer-described) 25,000

IMSR reported financials

SEC EDGAR XBRL SEC EDGAR

IMSR reported net income of −$28.0M for the fiscal year ended 31 Dec 2025.

Figure Reported Period
Net income −$28.0M 31 Dec 2025 fiscal year
Diluted EPS −$0.39 31 Dec 2025 fiscal year
Total assets $289.9M 30 Jun 2026 at period end
Total equity $281.7M 30 Jun 2026 at period end

IMSR earnings

SEC EDGAR
Date Period EPS Revenue
30 Jun 2026 Q2 2026 −$0.09 —
31 Mar 2026 Q1 2026 −$0.10 —
31 Dec 2025 FY 2025 −$0.39 —
30 Jun 2025 Q2 2026 −$0.10 —
31 Mar 2025 Q1 2026 −$0.10 —
31 Dec 2024 FY 2025 −$0.19 $0M
30 Jun 2024 Q2 2024 −$0.02 —

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

IMSR institutional holders

SEC Form 13F SEC EDGAR

8 of the 45 institutional funds we track reported a IMSR position for the quarter ended 30 Jun 2026 — a combined $8.0M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
D. E. Shaw & Co. Trimmed −45.0% shares 667,968 $4.7M
Renaissance Technologies Trimmed −54.9% shares 183,800 $1.3M
Millennium Management New position 96,035 $680K
AQR Capital Management New position 59,777 $423K
Balyasny Asset Management Trimmed −72.6% shares 56,461 $400K
Tudor Investment Corp Added +275.2% shares 42,225 $299K
Marshall Wace Held (±25%) −22.8% shares 20,278 $144K
Citadel Advisors Trimmed −99.2% shares 10,061 $71K

IMSR fails-to-deliver

SEC CNS data SEC

On 29 Sep 2026, 48,409 shares of IMSR failed to deliver (about $199K) — the latest of 2 consecutive trading days with recorded fails.

Settlement date Shares failed Notional % of shares out
29 Sep 2026 48,409 $199K 0.046%
28 Sep 2026 12,169 $52K 0.011%
22 Sep 2026 18,076 $81K 0.017%
21 Sep 2026 304 $1K <0.001%
18 Sep 2026 40,374 $177K 0.038%
17 Sep 2026 33,910 $144K 0.032%
16 Sep 2026 39,456 $169K 0.037%
11 Sep 2026 3,232 $17K 0.003%
10 Sep 2026 64,922 $345K 0.061%
09 Sep 2026 2,687 $15K 0.003%
08 Sep 2026 2,289 $12K 0.002%

IMSR — frequently asked questions

From live data

How often is IMSR mentioned on Reddit?

IMSR was mentioned 1 times in the last 7 days across the finance subreddits we track, and 12 times over the trailing 30 days.

Is Reddit bullish or bearish on IMSR?

Across 12 classified IMSR mentions in the last 30 days, 58% read bullish, 17% bearish and 25% neutral. Crowd sentiment is a social signal, not investment advice.

When did IMSR last report earnings?

Terrestrial Energy Inc. /DE/ (IMSR) last reported earnings on 30 Jun 2026 for Q2 2026, per SEC filings.

What exchange is IMSR listed on?

Terrestrial Energy Inc. /DE/ trades on NASDAQ under the ticker IMSR.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
  5. SEC EDGARSEC EDGAR 13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARValuation computed from SEC EDGAR filings