D. E. Shaw & Co., Inc.

Position in SEER — Seer, Inc.

CIK 1009207 New York, NY

Position in SEER

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$210,258

-$537,401 QoQ

Shares Held

125,154

-69.4% QoQ

Ownership

0.226%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2023

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,139,216,221 across 216 Biotechnology names.

#	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

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$210,258	125,154	-69.4%	Shares	Defined	2026-05-15
2025-12-31	$747,659	408,557	-30.9%	Shares	Defined	2026-02-17
2025-09-30	$1,283,591	591,517	-15.5%	Shares	Defined	2025-11-14
2025-06-30	$1,498,267	700,125	+2.3%	Shares	Defined	2025-08-14
2025-03-31	$1,156,793	684,493	-4.9%	Shares	Defined	2025-05-15
2024-12-31	$1,662,971	719,901	+16.8%	Shares	Defined	2025-02-14
2024-09-30	$1,214,053	616,271	+38.0%	Shares	Defined	2024-11-14
2024-06-30	$750,059	446,464	+6.5%	Shares	Defined	2024-08-14
2024-03-31	$796,172	419,038	+10.5%	Shares	Defined	2024-05-15
2023-12-31	$735,454	379,100	+76.3%	Shares	Defined	2024-02-14
2023-09-30	$475,331	215,082	+0.1%	Shares	Defined	2023-11-14
2023-06-30	$917,426	214,854	+25.5%	Shares	Defined	2023-08-14
2023-03-31	$660,839	171,202	—	Shares	Defined	2023-05-15
No filing history on record for this holder in this stock.