TIAA: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TIAA on BIIB, newest first. How the timeline and the estimate are built.

TIAA held 320,871 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

period ended2026-06-30
13F 320,871 shares
Change vs previous 13F -41,413 shares
0.01% of the 13F portfolio, value $69,327,204.
13F-HR 0000930413-26-002447 filed by Nuveen, LLC
Filed 2026-08-11 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC: 3,091 shares
- Nuveen, LLC: 317,204 shares
- TIAA Wealth Investment Management LLC: 576 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 362,284 shares
Change vs previous 13F -16,459 shares
0.02% of the 13F portfolio, value $66,417,530.
13F-HR 0000930413-26-001390 filed by Nuveen, LLC
Filed 2026-04-30 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC: 2,817 shares
- Nuveen, LLC: 358,838 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 0 shares
- TIAA Wealth Investment Management LLC: 629 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 378,743 shares
Change vs previous 13F +42,584 shares
0.02% of the 13F portfolio, value $66,654,981.
13F-HR 0000930413-26-000405 filed by Nuveen, LLC
Filed 2026-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- Nuveen, LLC: 375,557 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 3,186 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 336,159 shares
Change vs previous 13F -9,943 shares
0.01% of the 13F portfolio, value $47,089,153.
13F-HR 0000930413-25-003416 filed by Nuveen, LLC
Filed 2025-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- Nuveen, LLC: 332,457 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 3,702 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 346,102 shares
Change vs previous 13F +195,328 shares
0.01% of the 13F portfolio, value $43,466,949.
13F-HR 0000930413-25-002413 filed by Nuveen, LLC
Filed 2025-08-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- Nuveen, LLC: 341,659 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 4,443 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 150,774 shares
Change vs previous 13F -153,542 shares
<0.01% of the 13F portfolio, value $13,080,440.
13F-HR 0000930413-25-001717 filed by Nuveen, LLC
Filed 2025-05-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- Nuveen, LLC: 146,431 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 4,343 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 304,316 shares
Change vs previous 13F -22,338 shares
0.01% of the 13F portfolio, value $46,536,002.
13F-HR 0000930413-25-000580 filed by Nuveen Asset Management, LLC
Filed 2025-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- Nuveen Asset Management, LLC: 300,741 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 3,575 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 326,654 shares
Change vs previous 13F not available
0.02% of the 13F portfolio, value $63,318,611.
13F-HR 0000930413-24-003166 filed by Nuveen Asset Management, LLC
Filed 2024-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- Nuveen Asset Management, LLC: 323,187 shares
- TIAA TRUST, NATIONAL ASSOCIATION: 3,467 shares
Acceptance time not in the bulk data set (spec §4.2).