TWO SIGMA INVESTMENTS, LP

Position in GERN — Geron Corp

CIK 1179392 NEW YORK, NY

Position in GERN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$5,514,256

+$2,698,949 QoQ

Shares Held

4,308,013

+128.0% QoQ

Ownership

0.671%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#24

of 258 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $7,273,657,992 across 342 Biotechnology names. GERN ranks #112 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,875,937	$564,713,315
2	MRNA	Moderna, Inc.	7,193,530	$503,762,905
3	IONS	Ionis Pharmaceuticals Inc	6,252,342	$495,748,197
4	REGN	Regeneron Pharmaceuticals, Inc.	656,124	$409,119,558
5	BBIO	BridgeBio Pharma, Inc.	4,722,185	$351,708,338
6	EXEL	Exelixis, Inc.	4,209,861	$229,058,537
7	INCY	Incyte Corp	2,003,559	$227,123,448
8	ARGX	Argenx SE	185,638	$172,229,367

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,514,256	4,308,013	+128.0%	Shares	Sole	2026-08-14
2026-03-31	$2,815,307	1,889,468	-32.6%	Shares	Sole	2026-05-15
2025-12-31	$3,697,937	2,801,468	+51.3%	Shares	Sole	2026-02-17
2025-09-30	$2,537,264	1,852,018	+357.7%	Shares	Sole	2025-11-14
2024-06-30	$1,715,593	404,621	+58.7%	Shares	Sole	2024-08-14
2023-12-31	$538,090	255,019	+134.8%	Shares	Sole	2024-02-14
2023-03-31	$235,683	108,610	+797.6%	Shares	Sole	2023-05-15
2022-12-31	$29,282	12,100	-97.9%	Shares	Sole	2023-02-14
2022-09-30	$1,370,601	585,727	-69.8%	Shares	Sole	2022-11-14
2021-03-31	$3,067,514	1,941,465	+22.6%	Shares	Sole	2021-05-17
2020-12-31	$2,518,035	1,583,670	+23.9%	Shares	Sole	2021-02-16
2020-09-30	$2,223,328	1,277,775	-12.6%	Shares	Sole	2020-11-16
2020-06-30	$3,185,625	1,461,296	-8.4%	Shares	Sole	2020-08-14
2020-03-31	$1,897,376	1,594,434	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.