Zenas BioPharma, Inc. 13F holders
144 funds reported a position in Zenas BioPharma, Inc. in their 13F for the quarter ended 30 June 2026, together 61.3 million shares worth $1.55 billion. Against the quarter before, 24 opened a position, 60 added, 39 trimmed and 22 sold out; together they bought a net 3.5 million shares. The largest holders: FMR LLC, SR One Capital Management, LP and NEA Management Company, LLC.
Funds holding144+4 on Q1 2026
Shares they held61.3Mworth $1.55 billion
Net bought on the quarter3.5M sharesabout $87.8 million at the funds' values
Funds buying to selling84 to 61opened or added, to cut or sold
Opened 24Added 60Held 19Trimmed 39Sold out 22
What each fund did in ZBIO against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in ZBIO in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 13 reported a position in Zenas BioPharma, Inc.: 3 opened one, 5 added, 0 trimmed and 1 sold out, a net 15,881 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Sterling Capital Management LLC | +1,090 | 1,190 | added | 13F |
| Gamma Investing LLC | +102 | 297 | added | 13F |
| GF Fund Management Co. Ltd | +99 | 1,237 | added | 13F |
| Financial Consulate, Inc. | +63 | 63 | new | 13F |
| Nisa Investment Advisors, LLC | +59 | 710 | added | 13F |
| Signaturefd, LLC | +34 | 1,168 | added | 13F |
| SJS Investment Consulting Inc. | +3 | 3 | new | 13F |
| Farther Finance Advisors, LLC | +1 | 1 | new | 13F |
| Y-Intercept (Hong Kong) Ltd | -17,332 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Zenas BioPharma, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 9.5 million shares worth $241.3 million, 0.0% of its reported book. New this quarter: Point72 Asset Management. In the quarter, 6 funds added or opened a position and 0 trimmed or sold out; together they bought a net 1.5 million shares, about $38.6 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 9,506,701 | $241.3 million | 0.0% | +424,701 | added | 30 June 2026 | 13F |
| Geode Capital Management | 882,654 | $22.4 million | 0.0% | +226,869 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 815,150 | $20.7 million | 0.0% | +540,094 | added | 30 June 2026 | 13F |
| Millennium Management | 660,470 | $16.8 million | 0.0% | +183,652 | added | 30 June 2026 | 13F |
| Citadel Advisors | 195,780 | $5.0 million | 0.0% | +128,910 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 16,136 | $409,532 | 0.0% | +16,136 | new | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 9,506,701 | 15.52% | $241.3 million | 0.01% | +424,701 | 13F |
| SR One Capital Management, LP | 5,037,854 | 8.22% | $127.9 million | 12.31% | no change | 13F |
| NEA Management Company, LLC | 4,023,219 | 6.57% | $102.1 million | 6.43% | no change | 13F |
| Enavate Sciences GP, LLC | 3,919,159 | 6.40% | $99.5 million | 28.80% | no change | 13F |
| Federated Hermes, Inc. | 3,116,805 | 5.09% | $79.1 million | 0.11% | -10,226 | 13F |
| BlackRock, Inc. | 2,686,225 | 4.38% | $68.2 million | 0.00% | +648,677 | 13F |
| Capital International Investors | 2,502,912 | 4.09% | $63.5 million | 0.01% | +68,912 | 13F |
| Polar Capital Holdings Plc | 2,412,772 | 3.94% | $61.2 million | 0.17% | -135,672 | 13F |
| Royalty Pharma Sub-Manager, LLC | 2,388,150 | 3.90% | $60.6 million | 25.05% | no change | 13F |
| Fairmount Funds Management LLC | 2,359,025 | 3.85% | $59.9 million | 3.96% | no change | 13F |
| State Street Corp. | 2,055,100 | 3.35% | $52.2 million | 0.00% | +584,177 | 13F |
| NVP Associates, LLC | 1,838,482 | 3.00% | $46.7 million | 14.22% | no change | 13F |
| Wellington Management Group LLP | 1,593,819 | 2.60% | $40.5 million | 0.01% | +347,766 | 13F |
| Vanguard Capital Management LLC | 1,354,864 | 2.21% | $34.4 million | 0.00% | +109,473 | 13F |
| Bank of America Corp. | 1,231,159 | 2.01% | $31.2 million | 0.00% | +842,812 | 13F |
| Price T Rowe Associates Inc. | 1,226,928 | 2.00% | $31.1 million | 0.00% | +869,662 | 13F |
| Geode Capital Management, LLC | 882,654 | 1.44% | $22.4 million | 0.00% | +226,869 | 13F |
| AllianceBernstein L.P. | 1,103,388 | 1.80% | $21.6 million | 0.01% | +206,067 | 13F |
| Two Sigma Investments, LP | 815,150 | 1.33% | $20.7 million | 0.02% | +540,094 | 13F |
| EcoR1 Capital, LLC | 789,500 | 1.29% | $20.0 million | 0.99% | no change | 13F |
| Millennium Management LLC | 660,470 | 1.08% | $16.8 million | 0.01% | +183,652 | 13F |
| Woodline Partners LP | 590,539 | 0.96% | $15.0 million | 0.05% | +14 | 13F |
| Balyasny Asset Management L.P. | 576,717 | 0.94% | $14.6 million | 0.03% | -90,353 | 13F |
| ArrowMark Colorado Holdings LLC | 573,318 | 0.94% | $14.6 million | 0.61% | -85,591 | 13F |
| Silverarc Capital Management, LLC | 509,789 | 0.83% | $12.9 million | 1.44% | -626,146 | 13F |
| Rock Springs Capital Management LP | 502,077 | 0.82% | $12.7 million | 0.62% | no change | 13F |
| Pivotal bioVenture Partners Investment Advisor LLC | 490,766 | 0.80% | $12.5 million | 4.05% | -101,225 | 13F |
| NEXTBio Capital Management LP | 426,736 | 0.70% | $10.8 million | 4.98% | no change | 13F |
| Vestal Point Capital, LP | 365,000 | 0.60% | $9.3 million | 0.22% | +165,000 | 13F |
| Marshall Wace, LLP | 323,442 | 0.53% | $8.2 million | 0.01% | -178,486 | 13F |
| Jennison Associates LLC | 314,049 | 0.51% | $8.0 million | 0.01% | +64,049 | 13F |
| Vanguard Portfolio Management LLC | 304,870 | 0.50% | $7.7 million | 0.00% | +53,460 | 13F |
| Charles Schwab Investment Management Inc. | 302,085 | 0.49% | $7.7 million | 0.00% | +77,683 | 13F |
| Northern Trust Corp. | 281,140 | 0.46% | $7.1 million | 0.00% | +86,500 | 13F |
| Goldman Sachs Group Inc. | 271,163 | 0.44% | $6.9 million | 0.00% | -110,298 | 13F |
| Vanguard Fiduciary Trust Co. | 254,623 | 0.42% | $6.5 million | 0.00% | +75,235 | 13F |
| Sphera Funds Management Ltd | 230,834 | 0.38% | $5.9 million | 0.84% | +16,500 | 13F |
| iA Global Asset Management Inc. | 215,130 | 0.35% | $5.5 million | 0.07% | -700 | 13F |
| Walleye Capital LLC | 209,050 | 0.34% | $5.3 million | 0.03% | +83,818 | 13F |
| Sio Capital Management, LLC | 208,557 | 0.34% | $5.3 million | 0.91% | -123,173 | 13F |
| Citadel Advisors LLC | 195,780 | 0.32% | $5.0 million | 0.00% | +128,910 | 13F |
| UBS Group AG | 178,089 | 0.29% | $4.5 million | 0.00% | -189,316 | 13F |
| Voleon Capital Management LP | 167,145 | 0.27% | $4.2 million | 0.08% | +137,533 | 13F |
| BNP Paribas Financial Markets | 151,086 | 0.25% | $3.8 million | 0.00% | +141,087 | 13F |
| Morgan Stanley | 134,979 | 0.22% | $3.4 million | 0.00% | +41,583 | 13F |
| Squarepoint Ops LLC | 125,185 | 0.20% | $3.2 million | 0.01% | +82,311 | 13F |
| Barclays PLC | 115,965 | 0.19% | $2.9 million | 0.00% | +86,355 | 13F |
| Seven Grand Managers, LLC | 100,000 | 0.16% | $2.5 million | 0.10% | no change | 13F |
| Birchview Capital, LP | 93,601 | 0.15% | $2.4 million | 1.11% | +23,601 | 13F |
| Verition Fund Management LLC | 72,988 | 0.12% | $1.9 million | 0.01% | new | 13F |
The 50 largest of the 144 funds that reported a position in ZBIO in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on ZBIO
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 30,900 | $784,242 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 27 October 2026 | 13G | BlackRock, Inc. and 1 other | 3.3 million | 5.0% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 8 September 2026 | 13G/A | InnoCare Pharma Inc. and 5 others | 7.0 million | 10.4% | 26 August 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 8 September 2026 | 13G | Wellington Management Group LLP and 7 others | 6.6 million | 10.1% | 31 August 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 19 August 2026 | 13D/A | Enavate Sciences GP, LLC and 1 other | 3.2 million | 4.9% | 19 August 2026 | EDGAR | |
| 17 August 2026 | 13D/A | SR One Capital Management, LLC and 7 others | 5.0 million | 7.7% | 13 August 2026 | Not applicable. | EDGAR |
| 5 May 2026 | 13D | Moulder Leon O Jr and 2 others | 3.2 million | 5.1% | 29 April 2026 | The information set forth in Item 3 of this Statement is incorporated herein by reference. Mr. Moulder serves as the Chairman of the Issuer's Board of Directors and as its Chief Executive Officer. In such capacity, Mr. Moulder has influence | EDGAR |
| 2 April 2026 | 13D/A | Leon O. Moulder, Jr. and 2 others | 3.0 million | 4.8% | 31 March 2026 | EDGAR | |
| 5 February 2026 | 13G/A | FMR LLC and 3 others | 7.7 million | 14.3% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 January 2026 | 13D | Leon O. Moulder, Jr. and 2 others | 2.8 million | 5.2% | 7 January 2026 | The information set forth in Item 3 of this Statement is incorporated herein by reference. Mr. Moulder serves as the Chairman of the Issuer's Board of Directors and as its Chief Executive Officer. In such capacity, Mr. Moulder has influence | EDGAR |
| 14 November 2025 | 13G/A | Novo Holdings A/S and 1 other | 2.0 million | 4.7% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 30 September 2026 | 1,030 | $26.76 | SEC |
| 29 September 2026 | 544 | $27.55 | SEC |
| 24 September 2026 | 1,550 | $29.63 | SEC |
| 16 September 2026 | 45 | $31.93 | SEC |
| 15 September 2026 | 149 | $31.91 | SEC |
| 8 September 2026 | 427 | $32.88 | SEC |
| 26 August 2026 | 8,151 | $33.77 | SEC |
| 19 August 2026 | 2,600 | $31.91 | SEC |
| 18 August 2026 | 7 | $30.50 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.