Rock Springs Capital Management LP
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1595725
Baltimore, MD
Position in TMO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,013,600
+$98,300 QoQ
Shares Held
10,000
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#846
of 2,606 holders
Holding Since
Mar 2020
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Rock Springs Capital Management LP holds $19,547,224 across 2 Diagnostics & Research names. TMO ranks #2 (25.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
76,300 | $14,533,624 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
This page
|
10,000 | $5,013,600 |
All Filings in TMO
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,013,600 | 10,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,915,300 | 10,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,794,500 | 10,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,850,200 | 10,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,054,600 | 10,000 | Shares | Sole | 2025-08-14 | |
| 2020-03-31 | $4,963,000 | 17,500 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||