The sharp divergence between passive accumulation (Morgan Stanley, UBS) and active quant exits (Citadel, D.E. Shaw) suggests institutional uncertainty. Monitor next MTDR earnings and oil price trends — a sustained crude move above $80 could validate the buyers; a break below $70 would favor the sellers. The 45-day 13F lag means these positions may already be unwound.
Executive Summary
Q3 2025 13F filings reveal a mixed institutional cluster in MTDR: four buyers, led by Morgan Stanley (+62.5% to $128M) and UBS (+94.6% to $33.6M), added a net $69.7M, while four sellers, notably D.E. Shaw (-89.4%) and Citadel (-91.4%), exited nearly all their positions for a combined $26.9M reduction. The large passive buys contrast sharply with the high-conviction quant exits, creating a split signal without a clear directional thesis.
Key Financial Metrics
Institutional Positions
Net institutional flow: $42.8M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Tweedy Browne | DOUBLED | +105.3% | $696.0K | $336.0K |
| UBS | ADD | +94.6% | $33.6M | $15.2M |
| Morgan Stanley | ADD | +62.5% | $128.0M | $44.3M |
| Barclays | ADD | +91.2% | $9.8M | $9.8M |
▼ Sellers (4)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Wells Fargo | TRIM | -37.2% | $2.8M | -$1.1M |
| D.E. Shaw | NEAR_EXIT | -89.4% | $5.8M | -$5.3M |
| Citadel | NEAR_EXIT | -91.4% | $15.0M | -$13.8M |
| Ubs Am, A Distinct Business Un | TRIM | -39.9% | $15.4M | -$6.7M |
Key Facts
- Tweedy Browne doubled its stake (+105.3%) to $696K, an active-value vote of confidence
- Morgan Stanley added 1.10M shares (+62.5%), becoming the largest buyer at $128M current holding
- UBS increased 363K shares (+94.6%) to $33.6M, alongside a separate UBS AM trim (-39.9%) — internal disagreement
- D.E. Shaw near-exited (-89.4%) from $5.8M to $584K
- Citadel near-exited (-91.4%) from $15.0M to $1.2M
- Net institutional inflow ~$42.8M ($69.7M buying minus $26.9M selling)
Financial Impact
4 buyers added $69.7M in net new value; 4 sellers cut $26.9M; net institutional inflow of approximately $42.8M
Risk Factors
- Quantitative fund near-exits may signal deteriorating risk/reward in E&P sector or MTDR-specific valuation concerns
- 13F reporting lag means current positions could differ materially from Q3 filings
- Passive index rebalancing may inflate the buying signal without fundamental conviction
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-MTDR-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 4d ago | 8-K | $56.79 | awaiting T+60 | — | — |
Oct 5, 2026 21d ago | 8-K | $53.01 | awaiting T+60 | — | — |
Aug 31, 2026 8w ago | Insider Cluster | $58.01 | awaiting T+60 | — | — |
Aug 14, 2026 10w ago | Insider Cluster | $53.69 | awaiting T+60 | — | — |
Aug 12, 2026 10w ago | Insider Cluster | $52.51 | awaiting T+60 | — | — |
Jul 24, 2026 13w ago | 8-K | $50.81 $57.38 | ▲ +12.93% | ▲ +9.64% | — |
Jun 17, 2026 18w ago | Insider Cluster | $49.56 $61.18 | ▲ +23.45% | ▲ +21.55% | — |
Jun 16, 2026 18w ago | 8-K | $50.40 $61.05 | ▲ +21.13% | ▲ +17.98% | — |
Jun 11, 2026 19w ago | Institutional Cluster | $53.62 $59.15 | ▲ +10.31% | ▲ +5.92% | — |
Jun 11, 2026 19w ago | Insider Cluster | $53.62 $59.15 | ▲ +10.31% | ▲ +5.92% | — |
US Market Status
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