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Forte Biosciences, Inc.

FBRXDelisted Aug 27, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001419041

Forte Biosciences, Inc. was delisted on Aug 27, 2026; its insiders filed their last Form 4 on Aug 27, 2026; 86 institutions reported holding it in 13F filings for Q2 2026, worth $432.7M in total; no superinvestor held it.

Holders of 5% or more of FBRX

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Forte Biosciences, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of FBRX
HolderLatest formStakeChangeFirst filedLatest filingFiling
Tybourne Capital Management (HK) Ltd13G/A9.99%1.27M shares0.00 ppfrom 9.99%Feb 14, 20243 filingsAug 4, 2025SEC
Janus Henderson Group PLC13G/A9.30%1.89M shares+6.80 ppfrom 2.50%Feb 14, 20257 filingsAug 13, 2026SEC
MPM Oncology Impact Management LP13G7.20%1.00M sharesNewMay 15, 20261 filingMay 15, 2026SEC
OrbiMed Advisors LLC13G/A6.20%1.26M shares+1.90 ppfrom 4.30%Feb 12, 20215 filingsAug 14, 2026SEC
BlackRock, Inc.13G5.90%1.20M sharesNewJul 28, 20261 filingJul 28, 2026SEC
Affinity Asset Advisors, LLC13G/A5.60%1.15M shares−1.70 ppfrom 7.30%Dec 23, 20254 filingsAug 13, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

105 Schedule 13D and 13G filings on Forte Biosciences, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on FBRX
Filed (ET)FilerFormStakeChangeEvent dateFiling
Sep 8, 202611:10 AM ETFederated Hermes, Inc.and 4 others13G/A0.00%0 shares−10.31 ppfrom 10.31%Below 5%Aug 31, 2026SEC
Aug 14, 20265:26 PM ETOrbiMed Advisors LLCand 2 others13G/A6.20%1.26M shares+1.90 ppfrom 4.30%Jun 30, 2026SEC
Aug 13, 20264:08 PM ETAffinity Asset Advisors, LLCand 1 other13G/A5.60%1.15M shares−1.70 ppfrom 7.30%Jun 30, 2026SEC
Aug 13, 202612:47 PM ETJanus Henderson Group PLC13G/A9.30%1.89M shares+6.80 ppfrom 2.50%Jun 30, 2026SEC
Aug 12, 202612:00 PM ETAdage Capital Management, L.P.and 2 others13G/A3.42%700.0K shares−3.42 ppfrom 6.84%Below 5%Jun 30, 2026SEC
Aug 11, 20265:42 PM ETGlazer Capital, LLCand 1 other13G1.46%300.0K sharesNewBelow 5%Aug 4, 2026SEC
Aug 7, 20264:05 PM ETAlger Associates Inc13G/A4.60%935.5K shares−5.60 ppfrom 10.20%Below 5%Jul 31, 2026SEC
Aug 7, 202612:51 PM ETJanus Henderson Group PLC13G/A2.50%521.0K shares−7.49 ppfrom 9.99%Below 5%Jul 31, 2026SEC
Jul 28, 20264:44 PM ETBlackRock, Inc.13G5.90%1.20M sharesNewJun 30, 2026SEC
Jul 16, 20265:51 PM ETMillennium Management LLCand 2 others13G/A3.20%655.2K shares−2.00 ppfrom 5.20%Below 5%Jun 30, 2026SEC
Jul 8, 20267:42 AM ETFederated Hermes, Inc.and 4 others13G/A10.31%2.11M shares−2.84 ppfrom 13.15%Jun 30, 2026SEC
Jun 8, 20265:17 PM ETMillennium Management LLCand 2 others13G5.20%1.06M sharesNewJun 4, 2026SEC
May 15, 20264:34 PM ETOrbiMed Advisors LLCand 1 other13G/A4.30%884.2K shares−3.70 ppfrom 8.00%Below 5%Mar 31, 2026SEC
May 15, 20264:29 PM ETPoint72 Asset Management, L.P.and 2 others13G/A0.00%0 shares−6.30 ppfrom 6.30%Below 5%Mar 31, 2026SEC
May 15, 20264:09 PM ETMPM Oncology Impact Management LP13G7.20%1.00M sharesNewMar 31, 2026SEC
May 15, 20264:05 PM ETAlger Associates Inc13G/A10.20%624.3K shares−2.90 ppfrom 13.10%Mar 31, 2026SEC
May 15, 202612:36 PM ETJanus Henderson Group PLC13G/A9.99%1.39M shares−1.41 ppfrom 11.40%Mar 31, 2026SEC
May 14, 20264:15 PM ETAffinity Asset Advisors, LLCand 1 other13G/A7.30%1.01M shares+0.60 ppfrom 6.70%Mar 31, 2026SEC
May 13, 20269:14 AM ETAdage Capital Management, L.P.and 2 others13G6.84%950.0K sharesNewMar 31, 2026SEC
Feb 17, 20264:35 PM ETJanus Henderson Group PLC13G/A11.40%1.43M shares+1.50 ppfrom 9.90%Dec 31, 2025SEC
Jan 29, 20267:57 PM ETAffinity Asset Advisors, LLCand 1 other13G/A6.70%835.0K shares−0.20 ppfrom 6.90%Jan 22, 2026SEC
Jan 20, 20264:51 PM ETPoint72 Asset Management, L.P.and 2 others13G6.30%793.0K shares–Jan 12, 2026SEC
Jan 9, 20266:19 PM ETOliveira Steven Michaeland 1 other13G/A2.40%300.1K shares−4.36 ppfrom 6.76%Below 5%Jan 8, 2026SEC
Dec 23, 20255:15 PM ETAffinity Asset Advisors, LLCand 1 other13G6.90%862.4K sharesNewDec 17, 2025SEC
Nov 14, 20254:08 PM ETBiotechnology Value Fund L Pand 9 others13G/A0.50%65.3K shares−9.49 ppfrom 9.99%Below 5%Sep 30, 2025SEC
Nov 14, 20254:00 PM ETAlger Associates Inc13G/A13.10%1.63M shares−0.20 ppfrom 13.30%Sep 30, 2025SEC
Oct 7, 202511:08 AM ETFederated Hermes, Inc.and 4 others13G/A13.15%1.64M shares+1.26 ppfrom 11.89%Sep 30, 2025SEC
Sep 5, 20259:38 AM ETFederated Hermes, Inc.and 4 others13G/A11.89%1.48M shares+3.11 ppfrom 8.78%Aug 31, 2025SEC
Aug 14, 20254:27 PM ETAlger Associates Inc13G/A13.30%1.62M shares−0.90 ppfrom 14.20%Jun 30, 2025SEC
Aug 14, 20254:20 PM ETIkarian Capital, LLCand 1 other13G/A4.99%617.7K shares−4.51 ppfrom 9.50%Below 5%Jun 30, 2025SEC
Aug 14, 202511:46 AM ETJanus Henderson Group PLCand 1 other13G/A9.90%657.5K shares0.00 ppfrom 9.90%Jun 30, 2025SEC
Aug 7, 20252:43 PM ETBoothbay Fund Management, LLCand 1 other13G/A0.80%53.8K shares−5.20 ppfrom 6.00%Below 5%Jun 30, 2025SEC
Aug 4, 20256:21 PM ETTybourne Capital Management (HK) Ltdand 4 others13G/A9.99%1.27M shares0.00 ppfrom 9.99%Jun 30, 2025SEC
Jul 8, 20257:50 AM ETFederated Hermes, Inc.and 4 others13G8.78%1.07M sharesNewJun 30, 2025SEC
May 15, 20257:43 PM ETAlger Associates Inc13G/A14.20%910.6K shares−3.50 ppfrom 17.70%Mar 31, 2025SEC
May 14, 202512:49 PM ETJanus Henderson Group PLCand 1 other13G/A9.90%657.5K shares−0.10 ppfrom 10.00%Mar 31, 2025SEC
Feb 14, 20255:18 PM ETAlger Associates Inc13G/A17.70%1.13M shares–Dec 31, 2024SEC
Feb 14, 20254:33 PM ETTybourne Capital Management (HK) Ltdand 4 others13G/A9.99%640.8K shares–Dec 31, 2024SEC
Feb 14, 20254:22 PM ETOrbiMed Advisors LLCand 1 other13G8.00%510.0K shares–Dec 31, 2024SEC
Feb 14, 20254:15 PM ETPerceptive Advisors LLCand 2 others13G/A2.50%163.9K shares–Below 5%Dec 31, 2024SEC
Feb 14, 20254:11 PM ETBiotechnology Value Fund L Pand 9 others13G/A9.99%643.6K shares–Dec 31, 2024SEC
Feb 14, 20251:15 PM ETIkarian Capital, LLCand 1 other13G9.50%609.2K sharesNewDec 31, 2024SEC
Feb 14, 202511:25 AM ETJanus Henderson Group PLCand 1 other13G10.00%690.7K sharesNewDec 31, 2024SEC
Feb 13, 202511:20 AM ETBoothbay Fund Management, LLCand 1 other13G6.00%88.8K sharesNewDec 31, 2024SEC
Feb 10, 202512:47 PM ETFarallon Capital Partners, L.P.and 27 others13G/A3.40%221.0K shares–Below 5%Dec 31, 2024SEC
Jan 10, 20258:13 PM ETOliveira Steven Michaeland 1 other13G6.76%432.3K shares–Nov 20, 2024SEC
Dec 6, 2024Alger Associates Inc13G/AOld format–––SEC
Nov 14, 2024Perceptive Advisors LLC13G/AOld format–––SEC
Nov 14, 2024Alger Associates Inc13G/AOld format–––SEC
Jun 17, 2024Camac Fund, LP13D/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Forte Biosciences, Inc. shares.

No Form 144 notices for Forte Biosciences, Inc. are on file.