Tetragon Partners GP Ltd

Position in ANNX — Annexon, Inc.

CIK 1515070 GRAND CAYMAN, E9

Position in ANNX

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$7,094,418

-$65,782 QoQ

Shares Held

1,242,455

-3.9% QoQ

Ownership

0.608%

of shares outstanding

% of Portfolio

1.15%

of 13F equity value

Holder Rank

#30

of 216 holders

Holding Since

Jun 2024

9 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Healthcare · as of Jun 30, 2026

Tetragon Partners GP Ltd holds $170,564,204 across 22 Biotechnology names. ANNX ranks #15 (4.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AUTL	Autolus Therapeutics plc	9,500,000	$15,200,000
2	DFTX	Definium Therapeutics, Inc.	286,990	$13,500,009
3	MBX	MBX Biosciences, Inc.	203,543	$11,235,573
4	CLDX	Celldex Therapeutics, Inc.	290,441	$10,807,309
5	RLAY	Relay Therapeutics, Inc.	570,311	$10,670,518
6	ARWR	Arrowhead Pharmaceuticals, Inc.	130,484	$10,635,750
7	PHVS	Pharvaris N.V.	295,627	$10,222,781
8	IMVT	Immunovant, Inc.	255,934	$9,861,137

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,094,418	1,242,455	-3.9%	Shares	Defined	2026-08-13
2026-03-31	$7,160,200	1,292,455	-36.4%	Shares	Defined	2026-05-15
2025-12-31	$10,202,924	2,032,455	-3.8%	Shares	Defined	2026-02-17
2025-09-30	$6,442,987	2,112,455	-24.8%	Shares	Defined	2025-11-14
2025-06-30	$6,744,000	2,810,000	+6.0%	Shares	Defined	2025-08-14
2025-03-31	$5,114,500	2,650,000	+89.3%	Shares	Defined	2025-05-15
2024-12-31	$7,182,000	1,400,000	+78.5%	Shares	Defined	2025-02-21
2024-09-30	$4,643,381	784,355	-37.6%	Shares	Defined	2024-11-14
2024-06-30	$6,164,126	1,257,985	—	Shares	Defined	2024-08-14
No filing history on record for this holder in this stock.