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Equibles

RHUMBLINE ADVISERS

Position in ALEC — Alector, Inc.

CIK 1115418 BOSTON, MA
Back to ALEC Full portfolio

Position in ALEC

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$220,159
+$2,306 QoQ
Shares Held
109,532
+8.1% QoQ
Ownership
0.098%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#55
of 140 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 28% Shared 0% None 72%

Common Shares in ALEC Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,414,750,230 across 329 Biotechnology names. ALEC ranks #237 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 396,380 $196,893,837
2 REGN
Regeneron Pharmaceuticals, Inc.
 157,794 $98,390,870
3 MRNA
Moderna, Inc.
 809,853 $56,714,005
4 ALNY
Alnylam Pharmaceuticals, Inc.
 165,579 $49,844,246
5 INCY
Incyte Corp
 428,533 $48,578,500
6 RVMD
Revolution Medicines, Inc.
 226,008 $42,326,778
7 ROIV
Roivant Sciences Ltd.
 1,178,789 $41,717,342
8 JAZZ
Jazz Pharmaceuticals plc
 163,018 $39,282,447

All Filings in ALEC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $220,159 109,532
2026-03-31 $217,853 101,327
2025-12-31 $159,004 101,926
2025-09-30 $338,239 114,270
2025-06-30 $177,195 126,568
2025-03-31 $143,461 116,635
2024-12-31 $219,041 115,895
2024-09-30 $531,258 114,004
2024-06-30 $499,054 109,924
2024-03-31 $550,986 91,526
2023-12-31 $699,032 87,598
2023-09-30 $568,172 87,681
2023-06-30 $544,584 90,613
2023-03-31 $512,730 82,832
2022-12-31 $768,877 83,302
2022-09-30 $747,983 79,068
2022-06-30 $765,108 75,306
2022-03-31 $875,976 61,472
2021-12-31 $1,233,197 59,719
2021-09-30 $1,383,462 60,625
2021-06-30 $1,209,743 58,077
2021-03-31 $1,124,436 55,831
2020-12-31 $905,258 59,832
2020-09-30 $600,621 57,012
2020-06-30 $1,624,209 66,457
2020-03-31 $1,057,690 43,833