GSA CAPITAL PARTNERS LLP

Position in ALEC — Alector, Inc.

CIK 1362033 LONDON, X0

Position in ALEC

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$168,145

-$183,737 QoQ

Shares Held

78,207

-65.3% QoQ

Ownership

0.070%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

GSA CAPITAL PARTNERS LLP holds $100,711,343 across 163 Biotechnology names. ALEC ranks #127 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	3,831	$2,959,983
2	ARDX	Ardelyx, Inc.	473,061	$2,833,635
3	NTLA	Intellia Therapeutics, Inc.	178,301	$2,285,818
4	NUVB	Nuvation Bio Inc.	495,792	$2,126,947
5	RXRX	Recursion Pharmaceuticals, Inc.	669,568	$2,055,573
6	WVE	Wave Life Sciences Ltd.	282,719	$2,049,712
7	SRPT	Sarepta Therapeutics, Inc.	90,960	$1,979,289
8	IOVA	Iovance Biotherapeutics, Inc.	557,085	$1,955,368

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$168,145	78,207	-65.3%	Shares	Sole	2026-05-08
2025-12-31	$351,882	225,566	+49.7%	Shares	Sole	2026-02-06
2025-06-30	$210,936	150,669	+350.3%	Shares	Sole	2025-07-22
2024-06-30	$151,912	33,461	-47.4%	Shares	Sole	2024-08-15
2024-03-31	$382,769	63,583	+354.3%	Shares	Sole	2024-05-03
2022-09-30	$132,392	13,995	+7.8%	Shares	Sole	2022-11-14
2022-03-31	$185,022	12,984	-74.9%	Shares	Sole	2022-05-11
2021-09-30	$1,180,478	51,730	+91.4%	Shares	Sole	2021-11-12
2021-06-30	$562,972	27,027	+158.1%	Shares	Sole	2021-08-05
2020-09-30	$110,301	10,470	—	Shares	Sole	2020-11-06
No filing history on record for this holder in this stock.