Position in SION
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$657,876
+$15,270 QoQ
Shares Held
16,410
+5.1% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SION Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ALLIANCEBERNSTEIN L.P. holds $5,114,145,938 across 211 Biotechnology names. SION ranks #136 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,910,786 | $1,746,322,380 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
426,914 | $329,850,832 | |
| 3 | ARGX |
Argenx SE
|
422,304 | $308,387,496 | |
| 4 | GMAB |
Genmab A/S
|
9,557,149 | $256,418,307 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
1,908,907 | $141,755,433 | |
| 6 | TECH |
BIO-TECHNE Corp
|
2,213,197 | $115,661,675 | |
| 7 | INSM |
INSMED Inc
|
688,734 | $112,621,783 | |
| 8 | HALO |
Halozyme Therapeutics, Inc.
|
1,736,501 | $112,230,059 |
All Filings in SION
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $657,876 | 16,410 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $642,606 | 15,620 | Shares | Defined | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||