Position in IRON
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,535,763
+$966,676 QoQ
Shares Held
34,670
+41.3% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#88
of 216 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in IRON Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ALLIANCEBERNSTEIN L.P. holds $5,177,847,011 across 257 Biotechnology names. IRON ranks #87 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,019,315 | $1,499,784,339 | |
| 2 | ARGX |
Argenx SE
|
395,661 | $367,082,405 | |
| 3 | GMAB |
Genmab A/S
|
8,644,877 | $237,474,771 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
292,338 | $182,284,436 | |
| 5 | TECH |
BIO-TECHNE Corp
|
2,002,026 | $141,443,136 | |
| 6 | HALO |
Halozyme Therapeutics, Inc.
|
1,696,538 | $132,788,029 | |
| 7 | KYMR |
Kymera Therapeutics, Inc.
|
981,521 | $112,551,013 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,453,504 | $108,256,977 |
All Filings in IRON
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,535,763 | 34,670 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $1,569,087 | 24,540 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,948,721 | 24,540 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,621,603 | 24,540 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $1,278,454 | 24,140 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,045,418 | 21,060 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,335,204 | 21,060 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,034,888 | 21,060 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $949,174 | 21,060 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $30,935,811 | 496,881 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $20,971,789 | 363,085 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $428,927 | 9,130 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $323,232 | 7,280 | Shares | Defined | 2023-08-15 | |
| No filing history on record for this holder in this stock. | ||||||