SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in ZBIO — Zenas BioPharma, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in ZBIO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,661,847
+$1,165,199 QoQ
Shares Held
85,005
+521.5% QoQ
Ownership
0.135%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ZBIO Over Time
Shares Held
Position Value (USD)
Derivatives in ZBIO
reported options exposure · as of Mar 31, 2026CallValue
$2,402,695
CallShares
122,900
PutValue
$1,135,855
PutShares
58,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,176,415,994 across 355 Biotechnology names. ZBIO ranks #125 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYTK |
Cytokinetics Inc
|
898,951 | $59,249,860 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
174,268 | $57,660,053 | |
| 3 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,344,953 | $45,499,759 | |
| 4 | ABVX |
Abivax S.A.
|
381,282 | $42,455,750 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
398,943 | $29,625,507 | |
| 6 | INSM |
INSMED Inc
|
173,630 | $28,391,977 | |
| 7 | CRSP |
CRISPR Therapeutics AG
|
593,406 | $28,228,323 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
521,571 | $27,497,223 |
All Filings in ZBIO
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,135,855 | 58,100 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $2,402,695 | 122,900 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $1,661,847 | 85,005 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $496,648 | 13,678 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $257,801 | 7,100 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $1,336,208 | 36,800 | Call | Other | 2026-02-17 | |
| 2025-09-30 | $224,220 | 10,100 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $189,352 | 19,541 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $147,232 | 18,637 | Shares | Other | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||