Jasper Ridge Partners, L.P.

Position in ACLX — Arcellx, Inc.

CIK 1453381 MENLO PARK, CA

Position in ACLX

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$1,601,394

+$692,050 QoQ

Shares Held

13,947

0.0% QoQ

Ownership

0.024%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

#113

of 238 holders

Holding Since

Dec 2022

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

Jasper Ridge Partners, L.P. holds $10,103,455 across 14 Biotechnology names. ACLX ranks #2 (15.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SRRK	Scholar Rock Holding Corp	42,455	$2,087,087
2	ACLX	Arcellx, Inc. This page	13,947	$1,601,394
3	NRIX	Nurix Therapeutics, Inc.	95,711	$1,483,520
4	RVMD	Revolution Medicines, Inc.	14,368	$1,397,288
5	RYTM	Rhythm Pharmaceuticals, Inc.	13,845	$1,204,099
6	MIRM	Mirum Pharmaceuticals, Inc.	6,248	$577,190
7	CRSP	CRISPR Therapeutics AG	9,539	$453,770
8	VERA	Vera Therapeutics, Inc.	10,154	$408,495

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,601,394	13,947	0.0%	Shares	Sole	2026-05-11
2025-12-31	$909,344	13,947	-7.7%	Shares	Sole	2026-02-12
2025-09-30	$1,240,284	15,107	+27.8%	Shares	Sole	2025-11-17
2025-06-30	$778,347	11,820	0.0%	Shares	Sole	2025-08-14
2025-03-31	$775,392	11,820	0.0%	Shares	Sole	2025-05-14
2024-12-31	$906,475	11,820	0.0%	Shares	Sole	2025-02-14
2024-09-30	$987,088	11,820	0.0%	Shares	Sole	2024-11-14
2024-06-30	$652,345	11,820	0.0%	Shares	Sole	2024-08-14
2024-03-31	$822,081	11,820	0.0%	Shares	Sole	2024-05-15
2023-12-31	$656,010	11,820	0.0%	Shares	Sole	2024-02-14
2023-09-30	$424,101	11,820	0.0%	Shares	Sole	2023-11-14
2023-06-30	$373,748	11,820	+50.0%	Shares	Sole	2023-08-14
2023-03-31	$242,782	7,880	0.0%	Shares	Sole	2023-05-15
2022-12-31	$244,122	7,880	—	Shares	Sole	2023-02-15
No filing history on record for this holder in this stock.