Position in ZBIO
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$14,550,810
+$1,669,140 QoQ
Shares Held
573,318
-13.0% QoQ
Ownership
0.880%
of shares outstanding
% of Portfolio
0.61%
of 13F equity value
Holder Rank
#24
of 145 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZBIO Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ArrowMark Colorado Holdings LLC holds $294,624,620 across 32 Biotechnology names. ZBIO ranks #7 (4.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABCL |
AbCellera Biologics Inc.
|
4,105,095 | $32,224,995 | |
| 2 | DFTX |
Definium Therapeutics, Inc.
|
564,069 | $26,533,805 | |
| 3 | MAZE |
Maze Therapeutics, Inc.
|
767,383 | $22,898,708 | |
| 4 | TNGX |
Tango Therapeutics, Inc.
|
708,385 | $22,144,115 | |
| 5 | RPRX |
Royalty Pharma plc
|
366,199 | $20,532,777 | |
| 6 | PRAX |
Praxis Precision Medicines, Inc.
|
46,030 | $15,410,383 | |
| 7 | ZBIO |
Zenas BioPharma, Inc.
This page
|
573,318 | $14,550,810 | |
| 8 | CGON |
CG Oncology, Inc.
|
155,354 | $11,037,901 |
All Filings in ZBIO
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,550,810 | 573,318 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $12,881,670 | 658,909 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $27,274,655 | 751,161 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $18,307,629 | 824,668 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,604,135 | 1,094,338 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $8,669,215 | 1,097,369 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,140,609 | 627,669 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $5,076,000 | 300,000 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||