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ZBIOZBIO
8 quarters

Position history for WELLINGTON MANAGEMENT GROUP LLPWELLINGTON MANAGEMENT GROUP LLP's holdings in ZENAS BIOPHARMA INC

Yes. Wellington Management Group holds 1,593,819 shares of ZBIO (Zenas Biopharma), worth $40.5M, as of its Q2 2026 13F filing. It increased the position by 347,766 shares (+27.9%) from Q1 2026. Wellington Management Group has held ZBIO in every 13F on record since Q3 2024, 8 quarterly filings.

Current Value

$40.5M

Current Shares

1.6M

Total Value Change

+$15.6M

Total Shares Change

+92,391

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
1.6M
+27.9%
$40.5M0.0%$25.38
36
2026-Q1
Increased
1.2M
+45.7%
$24.4M0.0%$25.18
39
2025-Q4
Decreased
855,334
-0.3%
$31.1M0.0%$36.58
0
2025-Q3
Decreased
857,524
-2.4%
$19M0.0%$20.57
0
2025-Q2
Increased
878,918
+0.6%
$8.5M0.0%$9.58
28
2025-Q1
Decreased
873,623
-23.1%
$6.9M0.0%$8.17
0
2024-Q4
Decreased
1.1M
-24.4%
$9.2M0.0%$8.99
0
2024-Q3
New
1.5M
-
$24.8M0.0%$17.14
40

Other major holders of ZBIO: FMR LLC, FEDERATED HERMES, INC.

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