Jefferies reiterates Lockheed Martin stock Hold on F-35 costs

Jefferies reiterated a Hold on Lockheed Martin (LMT) with a $595 price target, noting the stock appears undervalued (P/E 19.99; PEG 0.38). While the Pentagon’s latest F-35 schedule increased total acquisition costs by $51B to $536B (+11%) due to Block 4, radar, engine and tech refresh upgrades, Jefferies frames this as capability expansion/moder­nization rather than pure production or inflation. The news also cites multiple defense contract awards, including a $211.4M (to $1.05B total) UAE missile-defense launcher modification and other awards totaling ~$153.5M.

Analysis

For LMT, the key mechanism is mix, not headline size. More program complexity usually means more engineering-change and sustainment dollars, but those dollars are lower-quality than clean production growth: they carry more execution risk, heavier working capital, and less operating leverage. That matters because the stock already screens like a quality defense compounder; if free-cash-flow conversion does not improve, the multiple can stay capped even when program totals look larger.

The second-order winners are the electronics/propulsion/tooling suppliers with content tied to upgrades and retrofits, while the losers are adjacent new-build aircraft franchises and any budget line competing for the same procurement dollars. A costlier stealth fighter typically crowds out lower-priority aircraft buys and nudges spending toward missiles, air defense, drones, and sustainment-centric programs. That makes RTX, NOC, and select defense electronics more interesting than LMT equity if the prime’s fee is regulated and the overrun burden is partly absorbed inside the program.

Near term, the tape can stay supportive for days, but the real catalyst is 1-3 months of appropriations language and management commentary on margins and FCF. Contrarian view: the market may be treating this as a clean positive for LMT when it is really evidence the program is becoming a capital sink for the Pentagon; if Congress pushes schedule relief or trims procurement, the stock can give back quickly. The bullish read is falsified if next guidance does not show margin protection or if free-cash-flow conversion slips below prior expectations.

Key Decisions for Investors

• Buy LMT only on a 2-3% post-open pullback; 1-3 month horizon, looking for a modest rerating, but stop out if the next quarter shows weaker free-cash-flow conversion or margin compression.
• Use a long LMT / short XAR or ITA pair for the next 1-3 months to isolate idiosyncratic defense exposure while hedging sector beta; this works best if defense multiples stay firm but LMT’s execution premium reasserts.
• Add RTX and NOC to the watchlist as second-order beneficiaries; if upcoming DoD commentary confirms more radar/engine content, rotate into those names rather than chasing LMT after the first move.
• If LMT spikes on the headline, consider selling covered calls or trimming into strength; upside looks more gradual than explosive unless the company proves the cost growth improves cash conversion.