ZENAS BIOPHARMA INC: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ZENAS BIOPHARMA INC. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
4
13F filers
Aggregate Value
$33.3M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Quarterly fund activity1 increased1 reduced1 exited
Full exits: SHAW D E & CO INC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 21.70M | $26.0M | 77.9% | 0.0% | Added | +$16.4M | Q2 2026 |
| CAPSTONE INVESTMENT ADVISORS, LLC CIK 0001426196 | Hedge Fund | 3.50M | $4.2M | 12.5% | 0.0% | Unchanged | +$0 | Q2 2026 |
| Woodline Partners LP CIK 0001784547 | Hedge Fund | 2.50M | $3.0M | 8.9% | 0.0% | Unchanged | +$0 | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 200K | $239K | 0.7% | 0.0% | Reduced | $-1.2M | Q2 2026 |
Added
Hedge Fund
$26.0M· 77.9% of total· 0.0% port· 21.70M sh· +$16.4M QoQ· Q2 2026
Unchanged
Hedge Fund
$4.2M· 12.5% of total· 0.0% port· 3.50M sh· +$0 QoQ· Q2 2026
Unchanged
Hedge Fund
$3.0M· 8.9% of total· 0.0% port· 2.50M sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$239K· 0.7% of total· 0.0% port· 200K sh· $-1.2M QoQ· Q2 2026