Position in INSM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$112,621,783
+$762,969 QoQ
Shares Held
688,734
+7.2% QoQ
Ownership
0.318%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 87.96748817395394.ToString("F0")%
Shared 0.ToString("F0")%
None 12.032511826046049.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ALLIANCEBERNSTEIN L.P. holds $5,114,145,940 across 211 Biotechnology names. INSM ranks #7 (2.2% 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
This page
|
688,734 | $112,621,783 | |
| 8 | HALO |
Halozyme Therapeutics, Inc.
|
1,736,501 | $112,230,059 |
All Filings in INSM
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $112,621,783 | 688,734 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $111,858,814 | 642,719 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $125,111,855 | 868,772 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $135,180,855 | 1,343,212 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $184,889,806 | 2,423,513 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $163,180,251 | 2,363,561 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $178,856,789 | 2,450,093 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $166,982,425 | 2,492,275 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $58,233,975 | 2,146,479 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $66,563,482 | 2,147,902 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $57,943,599 | 2,294,796 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $53,269,967 | 2,524,643 | Shares | Defined | 2023-08-15 | |
| 2023-03-31 | $42,188,315 | 2,474,388 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $52,031,596 | 2,604,184 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $54,034,425 | 2,508,562 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $55,417,617 | 2,810,224 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $69,302,651 | 2,949,049 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $76,789,914 | 2,819,013 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $61,023,187 | 2,215,802 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $58,239,263 | 2,046,355 | Shares | Defined | 2021-07-30 | |
| 2021-03-31 | $61,997,442 | 1,820,242 | Shares | Defined | 2021-05-06 | |
| 2020-12-31 | $61,016,774 | 1,832,886 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $67,534,528 | 2,101,261 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $46,626,156 | 1,693,034 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $1,986,117 | 123,900 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||