TWST
TWIST BIOSCIENCE (TWST)
NASDAQ
$192.01+$3.95 (+2.10%)
Price as of Oct 02, 2026 6:36 PM EDT
  • $12.5B
    Market Cap
  • 512.94%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
9.37%
5.8M
+279,529 (+4.79%)
Jun 30, 2026
VANGUARD GROUP INC
9.28%
5.8M
+8,049 (+0.14%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
8.96%
5.6M
+101,842 (+1.83%)
Dec 31, 2024
BLACKROCK INC.
8.71%
5.4M
-351,152 (-6.47%)
Jun 30, 2024
ARTISAN PARTNERS LIMITED PARTNERSHIP
7.71%
4.8M
-1.6M (-32.61%)
Jun 30, 2026
FMR LLC
7.55%
4.7M
+2.8M (+59.81%)
Jun 30, 2026
ARK INVESTMENT MANAGEMENT LLC
7.31%
4.5M
-1.8M (-39.41%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions1.3B (73.53%)
  • Mutual Funds447.3M (26.25%)
  • Insiders3.6M (0.21%)
  • Other0 (0.00%)

Insider Transactions

  • 0.21% (3.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $4.9B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$435,449.78
2,485
$175.23
616,417
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$166,690.16
945
$176.39
615,472
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$29,055.86
164
$177.17
615,308
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$58,960.54
330
$178.67
614,978
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$25,730.43
143
$179.93
614,835
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$92,901.42
515
$180.39
614,320
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$3,810.49
21
$181.45
614,299
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$2,920.00
16
$182.50
614,283
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$92,065.81
501
$183.76
613,782
Leproust Emily M.
Chief Executive Officer
Sell
Sep 24, 2026
$15,322.05
83
$184.60
613,699
Leproust Emily M.
Chief Executive Officer
Exempt
Sep 17, 2026
$0.00
75,439
$0.00
0
Leproust Emily M.
Chief Executive Officer
Exempt
Sep 17, 2026
$0.00
133,269
$0.00
0
Leproust Emily M.
Chief Executive Officer
Exempt
Sep 17, 2026
$3.6M
133,269
$26.66
901,696
Leproust Emily M.
Chief Executive Officer
Exempt
Sep 17, 2026
$665,371.98
75,439
$8.82
977,135
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$369,565.57
2,440
$151.46
974,695
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$1.0M
6,644
$152.21
968,051
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$521,417.14
3,399
$153.40
964,652
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$643,661.00
4,175
$154.17
960,477
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$2.1M
13,378
$155.46
947,099
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$1.4M
9,097
$156.47
938,002
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$5.1M
32,260
$157.49
905,742
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$36.7M
232,173
$158.09
673,569
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$3.8M
23,884
$159.53
649,685
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$2.3M
14,493
$160.44
635,192
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$1.8M
11,169
$161.49
624,023
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$416,334.38
2,565
$162.31
621,458
Leproust Emily M.
Chief Executive Officer
Sell
Sep 17, 2026
$141,988.17
869
$163.39
620,589
Cho Dennis
See Remarks
Sell
Sep 08, 2026
$50,521.09
412
$122.62
73,651
Green Paula
SVP of Human Resources
Sell
Sep 08, 2026
$111,219.97
907
$122.62
117,014
Leproust Emily M.
Chief Executive Officer
Sell
Sep 08, 2026
$282,280.45
2,302
$122.62
768,427