Position in IRON
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$137,166,682
+$38,101,244 QoQ
Shares Held
1,875,399
+21.0% QoQ
Ownership
4.88%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#5
of 216 holders
Holding Since
Mar 2021
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IRON Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $17,555,962,932 across 304 Biotechnology names. IRON ranks #38 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
2,678,047 | $2,484,611,664 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,529,709 | $953,834,749 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,728,421 | $858,558,562 | |
| 4 | KYMR |
Kymera Therapeutics, Inc.
|
7,112,980 | $815,645,416 | |
| 5 | RPRX |
Royalty Pharma plc
|
11,193,657 | $627,628,347 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
2,969,853 | $447,655,945 | |
| 7 | MRNA |
Moderna, Inc.
|
5,589,560 | $391,436,886 | |
| 8 | SRRK |
Scholar Rock Holding Corp
|
6,794,837 | $373,716,035 |
All Filings in IRON
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $137,166,682 | 1,875,399 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $99,065,438 | 1,549,350 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $134,838,576 | 1,698,005 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $87,650,427 | 1,326,429 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $80,267,499 | 1,515,625 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $67,423,728 | 1,358,254 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $88,419,985 | 1,394,637 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $55,623,875 | 1,131,947 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $50,577,282 | 1,122,194 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $58,786,701 | 944,213 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $34,126,398 | 590,831 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $24,793,177 | 527,739 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $8,998,548 | 202,670 | Shares | Sole | 2023-08-14 | |
| 2021-03-31 GMTX | — | 750,000 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||