D. E. Shaw & Co., Inc.

Position in GERN — Geron Corp

CIK 1009207 New York, NY

Position in GERN

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

Position Value

$158,631

+$13,392 QoQ

Shares Held

123,931

+287.4% QoQ

Ownership

0.019%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#109

of 258 holders

Holding Since

Sep 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,017,559,982 across 217 Biotechnology names. GERN ranks #195 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	INSM	INSMED Inc	5,877,959	$626,707,987
2	ALNY	Alnylam Pharmaceuticals, Inc.	1,104,109	$332,369,932
3	EXEL	Exelixis, Inc.	5,551,747	$302,070,554
4	BBIO	BridgeBio Pharma, Inc.	3,633,007	$270,586,360
5	TGTX	Tg Therapeutics, Inc.	3,400,808	$186,840,390
6	HALO	Halozyme Therapeutics, Inc.	2,006,479	$157,047,110
7	AXSM	Axsome Therapeutics, Inc.	604,753	$148,025,391
8	PTCT	Ptc Therapeutics, Inc.	1,548,919	$126,345,322

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$158,631	123,931	+287.4%	Shares	Defined	2026-08-14
2024-09-30	$145,239	31,991	-90.0%	Shares	Defined	2024-11-14
2023-06-30	$1,025,951	319,611	-80.6%	Shares	Defined	2023-08-14
2023-03-31	$3,568,321	1,644,388	-17.5%	Shares	Defined	2023-05-15
2022-12-31	$4,821,211	1,992,236	-21.7%	Shares	Defined	2023-02-14
2022-09-30	$5,950,336	2,542,879	+189.2%	Shares	Defined	2022-11-14
2022-06-30	$1,362,660	879,136	+315.0%	Shares	Defined	2022-08-15
2022-03-31	$288,132	211,862	+99.0%	Shares	Defined	2022-05-16
2021-03-31	$168,232	106,476	-89.6%	Shares	Defined	2021-05-17
2020-12-31	$1,625,865	1,022,557	+197.2%	Shares	Defined	2021-02-16
2020-09-30	$598,714	344,089	—	Shares	Defined	2020-11-16
No filing history on record for this holder in this stock.