Position in QTTB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,057,494
+$993,494 QoQ
Shares Held
320,482
0.0% QoQ
Ownership
1.08%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in QTTB Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ARCH Venture Management, LLC holds $1,092,140,745 across 11 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PBLS |
Parabilis Medicines, Inc.
|
6,412,780 | $175,517,788 | |
| 2 | BEAM |
Beam Therapeutics Inc.
|
4,540,132 | $155,817,330 | |
| 3 | RAPP |
Rapport Therapeutics, Inc.
|
3,728,738 | $155,376,512 | |
| 4 | SPTX |
Seaport Therapeutics, Inc.
|
6,294,951 | $136,726,335 | |
| 5 | ERAS |
Erasca, Inc.
|
7,091,557 | $129,917,324 | |
| 6 | VIR |
Vir Biotechnology, Inc.
|
12,694,163 | $129,353,520 | |
| 7 | MAZE |
Maze Therapeutics, Inc.
|
4,120,053 | $122,942,381 | |
| 8 | LYEL |
Lyell Immunopharma, Inc.
|
3,247,162 | $45,622,626 |
All Filings in QTTB
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,057,494 | 320,482 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,064,000 | 320,482 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $634,554 | 320,482 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $477,518 | 320,482 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $528,795 | 320,482 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,102,458 | 320,482 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $14,299,906 | 320,482 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $5,752,651 | 320,482 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,461,013 | 320,482 | Shares | Sole | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||