RENAISSANCE TECHNOLOGIES LLC

Position in CRBU — Caribou Biosciences, Inc.

CIK 1037389 NEW YORK, NY

Position in CRBU

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

Position Value

$4,881,439

-$40,505 QoQ

Shares Held

2,773,545

+7.1% QoQ

Ownership

2.59%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

of 137 holders

Holding Since

Dec 2021

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $3,952,593,796 across 312 Biotechnology names. CRBU ranks #85 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EXEL	Exelixis, Inc.	13,427,993	$730,617,099
2	CORT	Corcept Therapeutics Inc	5,261,628	$457,498,554
3	INCY	Incyte Corp	3,512,132	$398,135,283
4	VRTX	Vertex Pharmaceuticals Inc / Ma	320,008	$158,957,573
5	JAZZ	Jazz Pharmaceuticals plc	562,073	$135,442,730
6	RPRX	Royalty Pharma plc	1,935,800	$108,540,306
7	TVTX	Travere Therapeutics, Inc.	1,833,079	$104,137,217
8	GMAB	Genmab A/S	3,517,850	$96,635,339

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,881,439	2,773,545	+7.1%	Shares	Sole	2026-08-13
2026-03-31	$4,921,944	2,590,497	+58.0%	Shares	Sole	2026-05-14
2025-12-31	$2,607,372	1,639,857	+110.1%	Shares	Sole	2026-02-12
2025-09-30	$1,818,380	780,421	+46.7%	Shares	Sole	2025-11-13
2025-06-30	$670,472	532,121	-10.4%	Shares	Sole	2025-08-13
2024-09-30	$1,164,632	594,200	-59.9%	Shares	Sole	2024-11-13
2024-06-30	$2,431,956	1,482,900	+4476.9%	Shares	Sole	2024-08-09
2023-12-31	$185,652	32,400	-58.3%	Shares	Sole	2024-02-13
2023-03-31	$412,587	77,700	-67.5%	Shares	Sole	2023-05-12
2022-06-30	$1,297,770	239,000	+64.7%	Shares	Sole	2022-08-12
2022-03-31	$1,332,018	145,100	+51.2%	Shares	Sole	2022-05-13
2021-12-31	$1,447,870	95,949	—	Shares	Sole	2022-02-11
No filing history on record for this holder in this stock.