Position in CALC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,142
-$80,017 QoQ
Shares Held
13,226
0.0% QoQ
Ownership
0.084%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
11 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CALC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026FIRST MANHATTAN CO. LLC. holds $4,696,275 across 10 Biotechnology names. CALC ranks #10 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DMAC |
DiaMedica Therapeutics Inc.
|
455,000 | $3,080,350 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,560 | $696,602 | |
| 3 | ROIV |
Roivant Sciences Ltd.
|
11,146 | $308,744 | |
| 4 | TSHA |
Taysha Gene Therapies, Inc.
|
43,500 | $194,445 | |
| 5 | IMRX |
Immuneering Corp
|
24,245 | $127,771 | |
| 6 | IOVA |
Iovance Biotherapeutics, Inc.
|
28,998 | $101,782 | |
| 7 | ABUS |
Arbutus Biopharma Corp
|
14,000 | $63,000 | |
| 8 | ALDX |
Aldeyra Therapeutics, Inc.
|
34,745 | $58,719 |
All Filings in CALC
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,142 | 13,226 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $87,159 | 13,226 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $40,683 | 13,226 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $21,161 | 13,226 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $25,261 | 13,226 | Shares | Sole | 2025-05-15 | |
| 2024-09-30 | $58,591 | 13,226 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $52,374 | 13,226 | Shares | Sole | 2024-08-15 | |
| 2024-03-31 | $55,020 | 13,226 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $37,826 | 13,226 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $35,181 | 13,226 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $53,036 | 13,226 | Shares | Sole | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||