CYTK
Cytokinetics (CYTK)
NASDAQ
$82.40+$0.16 (+0.19%)
Price as of Jul 14, 2026 4:22 AM EDT
  • $11.5B
    Market Cap
  • 113.17%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
14.08%
17.5M
-192,532 (-1.10%)
Mar 31, 2026
BLACKROCK, INC.
13.30%
16.5M
+152,888 (+0.92%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
12.43%
15.5M
+216,539 (+1.40%)
Dec 31, 2024
BLACKROCK INC.
11.79%
14.7M
+2.3M (+15.39%)
Jun 30, 2024
VANGUARD GROUP INC
9.68%
12.0M
+191,336 (+1.59%)
Dec 31, 2025
FMR LLC
8.62%
10.7M
-2.1M (-19.44%)
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
6.44%
8.0M
+72,426 (+0.90%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions2.2B (65.09%)
  • Mutual Funds1.2B (34.38%)
  • Insiders17.9M (0.53%)
  • Other0 (0.00%)

Insider Transactions

  • 0.53% (17.9M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $290.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Malik Fady Ibraham
EVP Research & Development
Exempt
Jul 07, 2026
$0.00
3,500
$0.00
37,386
Malik Fady Ibraham
EVP Research & Development
Exempt
Jul 07, 2026
$27,300.00
3,500
$7.80
157,402
Malik Fady Ibraham
EVP Research & Development
Sell
Jul 07, 2026
$303,170.00
3,500
$86.62
153,902
Callos Andrew
EVP, Chief Commercial Officer
Exempt
Jul 01, 2026
$0.00
15,000
$0.00
24,000
Lee Sung
EVP, Chief Financial Officer
Exempt
Jul 01, 2026
$0.00
1,112
$0.00
26,709
Callos Andrew
EVP, Chief Commercial Officer
Exempt
Jul 01, 2026
$348,900.00
15,000
$23.26
73,555
Lee Sung
EVP, Chief Financial Officer
Exempt
Jul 01, 2026
$53,943.12
1,112
$48.51
64,333
Callos Andrew
EVP, Chief Commercial Officer
Sell
Jul 01, 2026
$1.3M
15,000
$85.80
58,555
Lee Sung
EVP, Chief Financial Officer
Sell
Jul 01, 2026
$97,622.48
1,112
$87.79
63,221
Blum Robert I
President & CEO
Sell
Jun 15, 2026
$528,450.00
7,500
$70.46
385,330
Malik Fady Ibraham
EVP Research & Development
Exempt
Apr 07, 2026
$0.00
3,500
$0.00
58,386
Malik Fady Ibraham
EVP Research & Development
Exempt
Apr 07, 2026
$0.00
1,000
$0.00
0
Malik Fady Ibraham
EVP Research & Development
Exempt
Apr 07, 2026
$27,300.00
3,500
$7.80
157,402
Malik Fady Ibraham
EVP Research & Development
Sell
Apr 07, 2026
$228,235.00
3,500
$65.21
153,902
Malik Fady Ibraham
EVP Research & Development
Exempt
Apr 07, 2026
$10,600.00
1,000
$10.60
154,902
Malik Fady Ibraham
EVP Research & Development
Sell
Apr 07, 2026
$64,750.00
1,000
$64.75
153,902
Blum Robert I
President & CEO
Sell
Apr 01, 2026
$499,725.00
7,500
$66.63
422,830
Callos Andrew
EVP, Chief Commercial Officer
Sell
Mar 31, 2026
$236,535.00
3,639
$65.00
66,004
Callos Andrew
EVP, Chief Commercial Officer
Sell
Mar 18, 2026
$119,795.10
1,930
$62.07
78,185
Lee Sung
EVP, Chief Financial Officer
Sell
Mar 17, 2026
$306,710.25
4,935
$62.15
87,127
Callos Andrew
EVP, Chief Commercial Officer
Sell
Mar 16, 2026
$104,300.27
1,709
$61.03
46,149
Malik Fady Ibraham
EVP Research & Development
Award
Mar 15, 2026
$0.00
1,665
$0.00
1,665
Callos Andrew
EVP, Chief Commercial Officer
Award
Mar 15, 2026
$0.00
1,665
$0.00
1,665
Lee Sung
EVP, Chief Financial Officer
Award
Mar 15, 2026
$0.00
1,665
$0.00
1,665
Callos Andrew
EVP, Chief Commercial Officer
Award
Mar 15, 2026
$0.00
29,480
$0.00
29,480
Malik Fady Ibraham
EVP Research & Development
Award
Mar 15, 2026
$0.00
39,527
$0.00
39,527
Callos Andrew
EVP, Chief Commercial Officer
Award
Mar 15, 2026
$0.00
20,646
$0.00
68,504
Blum Robert I
President & CEO
Award
Mar 15, 2026
$0.00
1,665
$0.00
1,665
Callos Andrew
EVP, Chief Commercial Officer
Award
Mar 15, 2026
$0.00
13,320
$0.00
81,824
Malik Fady Ibraham
EVP Research & Development
Award
Mar 15, 2026
$0.00
27,306
$0.00
165,935