Massachusetts Financial Services’s Zenas BioPharma ZBIO Stock Holding History

Massachusetts Financial Services’s Portfolio ZBIO Stock Details ZBIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$230K	Buy	+9,053	New	+$180K	﹤0.01%	996

Other funds holding ZBIO

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

IGAM

iA Global Asset Management Quebec, Quebec, Canada $8.42B AUM 47.61% 1-Year Est. Return

Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

CUAMC

China Universal Asset Management Company Shanghai, China $1.67B AUM 89% 1-Year Est. Return

YIH

Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return

Nordea Investment Management Stockholm, Sweden $123B AUM 38.85% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

Massachusetts Financial Services's ZBIO Position: Q2 2026 in Review

Massachusetts Financial Services opened a new position in Zenas BioPharma (ZBIO) in Q2 2026: 9,053 shares worth $230K. The stake represents ﹤0.01% of the portfolio and ranks #996 among its holdings.

29 funds tracked by Wall St. Rank hold ZBIO as of Q2 2026.

Massachusetts Financial Services held 9,053 shares of Zenas BioPharma worth $230K as of Q2 2026.
Zenas BioPharma was a new Massachusetts Financial Services position in Q2 2026.
Zenas BioPharma made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #996 holding.
29 funds tracked by Wall St. Rank held Zenas BioPharma as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.