It was a choppy week for TSP investors. A sharp tech and chip-stock sell-off on Thursday — driven by disappointing earnings reactions from Tesla and Alphabet along with renewed worries over AI-related capital spending — pulled the stock funds lower for the week, even after a partial recovery on Friday as oil prices pulled back Friday on reports of a possible diplomatic opening, even as fighting continued in the Middle East. The Nasdaq finished the week down roughly 2%, while the S&P 500 and Dow were closer to flat.
Core TSP Funds
| Fund | Price (7/24) | Week (7/20–7/24) | YTD |
|---|---|---|---|
| G Fund | 20.0739 | +0.09% | +2.5% |
| F Fund | 20.7899 | -0.73% | -0.4% |
| C Fund | 119.3426 | -0.60% | +9.0% |
| S Fund | 113.9880 | -0.92% | +13.5% |
| I Fund | 62.9110 | -0.10% | +13.4% |
Lifecycle (L) Funds
| Fund | Price (7/24) | Week (7/20–7/24) | YTD |
|---|---|---|---|
| L Income | 30.6409 | -0.11% | +4.8% |
| L 2030 | 62.2717 | -0.26% | +7.2% |
| L 2035 | 19.1069 | -0.33% | +8.1% |
| L 2040 | 73.5874 | -0.36% | +8.6% |
| L 2045 | 20.4399 | -0.39% | +9.0% |
| L 2050 | 45.4611 | -0.42% | +9.4% |
| L 2055 | 23.8043 | -0.46% | +11.1% |
| L 2060 | 23.8012 | -0.46% | +11.1% |
| L 2065 | 23.7980 | -0.46% | +11.1% |
| L 2070 | 14.1044 | -0.47% | +11.1% |
| L 2075 | 12.3203 | -0.46% | +11.1% |
Source: Daily closing share prices published by the Thrift Savings Plan (tsp.gov).
What Moved the TSP Funds This Week
The S Fund led the week’s declines among the core funds, down 0.92%, as small and mid-cap growth names bore the brunt of Thursday’s tech-driven sell-off — the worst single-day drop for major indexes since late June.
The C Fund held up somewhat better at -0.60%, reflecting the relative resilience of large-cap stocks compared with the more growth-heavy Nasdaq. The I Fund was essentially flat for the week (-0.10%), with a strong Tuesday largely offsetting Thursday’s losses — a reminder that international markets don’t always move in lockstep with U.S. tech.
Ad
Claim Social Security at the wrong age, and the cost is permanent
Claiming too early can lock in a smaller check for the rest of your life — and there’s no do-over. This workshop lays out the real math behind timing it right, alongside everything else on your path to retirement. Get the details at a free FedImpact Workshop near you.
On the fixed-income side, the F Fund slipped 0.73% as Treasury yields drifted higher through most of the week before easing slightly on Friday. The G Fund, as always, posted a small, steady gain (+0.09%), underscoring its role as the TSP’s only fund with no downside volatility.
The Lifecycle Funds moved in line with their stock exposure: L Income, which holds the least in stocks, was down just 0.11% for the week, while the longer-dated funds — L 2055 through L 2075, which hold the most in the C, S, and I Funds — fell closer to 0.46–0.47%. That gradient is by design: the further out a fund’s target date, the more its short-term swings will resemble the stock funds, and the closer to retirement, the more it behaves like a blend of G and F.