TRMOY · Tourmaline Oil Corp/ADR · Holdings
Market Cap
$17.49B
Shares
1.17B
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 1
Total Value: $79,187
Total Shares: 1,894
Institutional Ownership Trend
24 quarters
Holder Concentration
Across 1 13F filers · Δ vs Mar 31, 2026Top Holder
100.0%
+6.9 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
10,000
Highly concentrated+1,294
Quarterly Activity
vs Mar 31, 2026
New
0
Increased
1
Decreased
0
Sold Out
4
Unchanged
0
Holder count:
-4
Institutional value:
-99.6%
Shares held:
-99.6%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small WELLINGTON-ALTUS USA INC. | +1,000 | 1,894 |
Top Sellers
vs Mar 31, 2026No qualifying movers this quarter.
Top New Positions
vs Mar 31, 2026No new positions this quarter.
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small GRACE & WHITE INC /NY | 397,443 | $18,997,775 | |
| Small KAHN BROTHERS GROUP INC | 26,959 | $1,288,640 | |
| Mega PNC FINANCIAL SERVICES GROUP, INC. | 1,586 | $75,810 | |
| Micro Ascentis Independent Advisors | 47 | $2,246 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Small WELLINGTON-ALTUS USA INC. TRMLF | $79,187 | 100.00% | 1,894 | Shares | 2026-09-17 |