Skip to main content
TWST logo

TWST · Twist Bioscience Corp · Shareholders & Ownership

Track TWST — free
$146.98 +7.21 (+5.16%)
Market Cap
$8.53B
Shares
62.71M
Volume · Oct 20 1.42M Avg daily vol (3M) 2.16M

Every disclosed holder of TWST in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns TWST

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 76,419,432 121.87%
Insiders (Forms 3, 4, 5) 1,345,948 2.15%
13D/G-only blocks 1,821,238 2.90%
Remaining 16,879,194 -26.92%
Registered funds (N-PORT, not summed) 33,031,414 52.68%

Shares outstanding: 62,707,424, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of TWST

# Holder Shares
1
FMR LLC
13G CIK 315066 · Holding company · Aug 31, 2026
Rule 13d-1(b), qualified institution, not summed
8,760,081
1.1
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
4,703,044
1.2
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
679,049
1.3
Fidelity Small Cap Growth Fund
Fund S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
448,130
1.4
Fidelity Stock Selector Small Cap Fund
Fund S000005453 · Registered fund · Jul 31, 2026
Fidelity Capital Trust, not summed
383,500
1.5
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
317,308
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,833,891
2.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,594,038
2.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
573,272
2.3
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
422,334
2.4
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
114,494
2.5
iShares Genomics Immunology and Healthcare ETF
Fund S000065599 · Registered fund · Jul 31, 2026
iShares Trust, not summed
99,937
3
Artisan Partners Limited Partnership
13F CIK 1466153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,802,017
3.1
Artisan Partners Limited Partnership
13G CIK 1466153 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
4,802,017
3.2
Artisan Mid Cap Fund
Fund S000006496 · Registered fund · Jun 30, 2026
Artisan Partners Funds Inc., not summed
893,167
3.3
Artisan Small Cap Fund
Fund S000006498 · Registered fund · Jun 30, 2026
Artisan Partners Funds Inc., not summed
516,903
3.4
Artisan Global Discovery Fund
Fund S000058458 · Registered fund · Jun 30, 2026
Artisan Partners Funds Inc., not summed
28,547
4
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,634,652
4.1
PRICE T ROWE ASSOCIATES INC /MD/
13G CIK 80255 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
3,634,470
4.2
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
959,300
4.3
T. Rowe Price Health Sciences Fund, Inc.
Fund S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
555,000
4.4
T. Rowe Price Global Stock Fund
Fund S000001497 · Registered fund · Jul 31, 2026
T. ROWE PRICE INTERNATIONAL FUNDS, INC., not summed
462,100
4.5
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
366,600
5
ARK Investment Management LLC
13G CIK 1697748 · Registered investment adviser · Aug 31, 2026
Rule 13d-1(b), qualified institution, not summed
3,385,850
5.1
ARK Investment Management LLC
13F CIK 1697748 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,549,803
5.2
ARK Innovation ETF
Fund S000042977 · Registered fund · Jul 31, 2026
ARK ETF Trust, not summed
2,010,667
5.3
ARK Genomic Revolution ETF
Fund S000042975 · Registered fund · Jul 31, 2026
ARK ETF Trust, not summed
1,314,736
6
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,232,532
6.1
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
1,469,111
6.2
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
278,488
6.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
21,412
6.4
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
3,002
6.5
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
1,528
7
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,824,989
8
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,699,280
9
EdgePoint Investment Group Inc.
13F CIK 1481669 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,521,635
9.1
EdgePoint Investment Group Inc.
13G CIK 1481669 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
2,521,635
10
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,174,594
10.1
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13G CIK 1644956 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
2,174,594
10.2
William Blair Small-Mid Cap Growth Fund
Fund S000008603 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
202,973
10.3
William Blair Small Cap Growth Fund
Fund S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
192,214
10.4
William Blair Small-Mid Cap Core Fund
Fund S000066499 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
34,791
10.5
William Blair Growth Fund
Fund S000008594 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
18,838
11
FARALLON CAPITAL MANAGEMENT LLC
13F CIK 909661 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,136,400
12
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,928,229
12.1
Invesco Discovery Fund
Fund S000064618 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
822,247
12.2
Invesco Main Street Small Cap Fund
Fund S000064650 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
288,002
12.3
Invesco V.I. Main Street Small Cap Fund
Fund S000064664 · Registered fund · Jun 30, 2026
AIM Variable Insurance Funds (Invesco Variable Insurance Funds), not summed
160,155
12.4
Invesco Health Care Fund
Fund S000000235 · Registered fund · Jul 31, 2026
AIM Investment Funds (Invesco Investment Funds), not summed
74,708
12.5
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
44,909
13
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,874,473
14
Millennium Management LLC
13G CIK 1319244 · Unknown · Dec 31, 2023
Rule 13d-1(c), passive investor
1,821,238
15
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,619,361
16
Thrivent Financial for Lutherans
13F CIK 314984 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,433,503
16.1
THRIVENT SMALL CAP STOCK FUND
Fund S000001358 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
442,538
16.2
THRIVENT SMALL CAP STOCK PORTFOLIO
Fund S000001445 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
266,709
16.3
Thrivent Small-Mid Cap Equity ETF
Fund S000075337 · Registered fund · Jun 30, 2026
Thrivent ETF Trust, not summed
140,652
16.4
THRIVENT SMALL CAP GROWTH PORTFOLIO
Fund S000061813 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
30,087
16.5
THRIVENT MODERATELY AGGRESSIVE ALLOCATION PORTFOLIO
Fund S000001427 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
27,737
17
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,408,418
17.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
51,433
17.2
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
28,346
17.3
Goldman Sachs U.S. Tax-Managed Equity Fund
Fund S000009340 · Registered fund · Jun 30, 2026
Goldman Sachs Trust, not summed
24,910
17.4
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
13,031
17.5
Goldman Sachs Small Cap Value Insights Fund
Fund S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
8,979
18
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,357,205
19
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,189,861
19.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
134
20
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,185,605
21
BAILLIE GIFFORD & CO
13F CIK 1088875 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,086,779
22
Driehaus Capital Management LLC
13F CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,022,526
22.1
Driehaus Small Cap Growth Fund
Fund S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
216,331
23
Sumitomo Mitsui Trust Group, Inc.
13F CIK 1475365 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,000,344
24
Amova Asset Management Americas, Inc.
13F CIK 1480751 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
999,734
25
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
922,647
26
Bridge Builder Small/Mid Cap Growth Fund
Fund S000048336 · Registered fund · Jun 30, 2026
Bridge Builder Trust, not summed
866,923
27
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
862,042
28
LOOMIS SAYLES & CO L P
13F CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
861,309
28.1
Loomis Sayles Small Cap Growth Fund
Fund S000006705 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS II, not summed
360,266
28.2
Loomis Sayles Small/Mid Cap Growth Fund
Fund S000049859 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS II, not summed
26,203
29
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
780,792
30
Stephens Investment Management Group LLC
13F CIK 1314440 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
767,364
31
First Light Asset Management, LLC
13F CIK 1600004 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
727,933
32
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
714,822
33
VOYA INVESTMENT MANAGEMENT LLC
13F CIK 1068837 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
671,866
34
FIL Ltd
13F CIK 318989 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
641,096
35
VANGUARD EXPLORER FUND
Fund S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
604,500
36
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
597,935
37
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
591,688
37.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
31,407
37.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
5,842
37.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
2,430
38
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
582,702
38.1
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
71,347
38.2
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
61,060
38.3
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
60,037
38.4
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
50,311
39
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
568,347
40
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
563,782
40.1
PACE Small/Medium Co Growth Equity Investments
Fund S000002974 · Registered fund · Jul 31, 2026
PACE SELECT ADVISORS TRUST, not summed
3,749
41
Leproust Emily M.
Insider CIK 1753655 · Oct 5, 2026
Director, issuer-wide
562,760
42
FRED ALGER MANAGEMENT, LLC
13F CIK 3520 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
558,157
42.1
ALGER SMALL CAP FOCUS FUND
Fund S000020958 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
222,288
42.2
ALGER MID CAP FOCUS FUND
Fund S000063650 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
141,711
42.3
Alger Mid Cap 40 ETF
Fund S000069955 · Registered fund · Jun 30, 2026
Alger ETF Trust, not summed
71,651
42.4
ALGER SMALL CAP GROWTH FUND
Fund S000009160 · Registered fund · Jul 31, 2026
ALGER FUNDS, not summed
50,706
42.5
Alger Small Cap Growth Portfolio
Fund S000009215 · Registered fund · Jun 30, 2026
ALGER PORTFOLIOS, not summed
26,830
43
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
557,131
43.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
293,984
43.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
150,971
43.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
39,315
43.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
35,523
43.5
Schwab Small-Cap Equity Fund
Fund S000005516 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
29,847
44
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
546,647
45
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
522,043
45.1
Nuveen Quant Small Cap Equity Fund
Fund S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
196,810
45.2
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
140,438
45.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
81,003
45.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
54,497
45.5
Nuveen Small Cap Growth Opportunities Fund
Fund S000005567 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
10,332
46
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
487,031
46.1
Small Cap Growth Fund
Fund S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
319,416
47
Tao Capital Management LP
13F CIK 1802967 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
478,815
48
NEW YORK STATE COMMON RETIREMENT FUND
13F CIK 810265 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
462,145
49
JENNISON ASSOCIATES LLC
13F CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
453,216
50
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
443,474

82 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 485 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1581280 CUSIP 90184D100 13F (30d) 30 filings 30 filers Visit website Investor relations