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IRONWOOD INVESTMENT MANAGEMENT LLC

Position in CYTK — Cytokinetics Inc

CIK 1127761 BOSTON, MA

Position in CYTK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,820,816
+$1,081,215 QoQ
Shares Held
56,589
-0.3% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
2.15%
of 13F equity value
Holder Rank
#168
of 477 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CYTK Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

IRONWOOD INVESTMENT MANAGEMENT LLC holds $13,113,875 across 6 Biotechnology names. CYTK ranks #1 (36.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CYTK
Cytokinetics Inc
This page
56,589 $4,820,816

All Filings in CYTK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,820,816 56,589
2026-03-31 $3,739,601 56,738
2025-12-31 $3,636,330 57,229
2025-09-30 $3,150,966 57,332
2025-06-30 $1,900,328 57,516
2025-03-31 $2,405,009 59,841
2024-12-31 $2,779,358 59,085
2024-09-30 $3,143,976 59,545
2024-06-30 $3,242,402 59,845
2024-03-31 $4,190,755 59,774
2023-12-31 $5,145,405 61,629
2023-09-30 $1,829,524 62,102
2023-06-30 $2,073,359 63,561
2023-03-31 $2,251,315 63,976
2022-12-31 $3,022,607 65,967
2022-09-30 $3,287,768 67,859
2022-06-30 $2,674,155 68,062
2022-03-31 $2,538,491 68,962
2021-12-31 $3,147,709 69,059
2021-09-30 $2,428,997 67,963
2021-06-30 $1,350,469 68,240
2021-03-31 $1,609,312 69,188
2020-12-31 $1,451,586 69,855
2020-09-30 $1,539,834 71,124
2020-06-30 $1,678,396 71,209
2020-03-31 $843,574 71,550