Driehaus Capital Management LLC
Position in ADPT — Adaptive Biotechnologies Corp
CIK 938206
Chicago, IL
Position in ADPT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$24,298,341
-$20,530,343 QoQ
Shares Held
1,750,601
-36.6% QoQ
Ownership
1.09%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 83.78311219975312.ToString("F0")%
Shared 0.ToString("F0")%
None 16.216887800246887.ToString("F0")%
Common Shares in ADPT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Driehaus Capital Management LLC holds $263,026,067 across 6 Diagnostics & Research names. ADPT ranks #4 (9.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GH |
Guardant Health, Inc.
|
1,524,282 | $140,797,928 | |
| 2 | NTRA |
Natera, Inc.
|
284,338 | $56,864,756 | |
| 3 | TWST |
Twist Bioscience Corp
|
584,696 | $27,784,753 | |
| 4 | ADPT |
Adaptive Biotechnologies Corp
This page
|
1,750,601 | $24,298,341 | |
| 5 | NEO |
Neogenomics Inc
|
1,721,750 | $12,775,385 | |
| 6 | DHR |
Danaher Corp /De/
|
2,663 | $504,904 |
All Filings in ADPT
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $24,298,341 | 1,750,601 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $44,828,684 | 2,760,387 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $45,178,302 | 3,019,940 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $28,234,823 | 2,423,590 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $15,991,849 | 2,152,335 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,072,795 | 846,171 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,228,705 | 435,294 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||