Position history for CITADEL ADVISORS LLC's holdings in THERMO FISHER SCIENTIFIC INC
CITADEL ADVISORS LLC holds 864,489 shares of TMO (THERMO FISHER SCIENTIFIC INC), worth $424.9M as of 2026-Q1. The position was increased (+25.2% shares). TMO represents 0.1% of CITADEL ADVISORS LLC's portfolio.
Current Value
$424.9M
Current Shares
864,489
Total Value Change
-$118.5M
Total Shares Change
-118,205
Other major holders of TMO: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Increased |
| 864,489 |
+25.2% |
| $424.9M |
| 0.1% |
| $508.10 |
38 |
| 2025-Q4 | Increased | 690,405 | +97.4% | $400.1M | 0.1% | $583.45 | 50 |
| 2025-Q3 | Decreased | 349,701 | -68.1% | $169.6M | 0.0% | $461.69 | 0 |
| 2025-Q2 | Increased | 1.1M | +809.7% | $444.7M | 0.1% | $407.61 | 50 |
| 2025-Q1 | Decreased | 120,573 | -64.5% | $60M | 0.0% | $498.82 | 0 |
| 2024-Q4 | Increased | 339,940 | +104.5% | $176.8M | 0.0% | $517.01 | 49 |
| 2024-Q3 | Decreased | 166,186 | -83.1% | $102.8M | 0.0% | $611.80 | 0 |
| 2024-Q2 | Increased | 982,694 | +876.1% | $543.4M | 0.1% | $550.29 | 61 |