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As of the latest SEC filings, Twist Bioscience Corp (TWST) is held by 273 institutional funds. The largest fund shareholder is ARK Innovation ETF (ARKK), holding an estimated $197,716,710.80 in market value, representing 3.05% of its portfolio.

Funds holding Twist Bioscience Corp (TWST)

Source: SEC Form N-PORT institutional portfolio disclosures

Ticker:
TWST
CIK:
0001581280
Showing top 25 of 273 institutional funds
Fund Type Manager Weight Market Value Shares
Report Date
Filing Date
ARKK
ARK Innovation ETF
ETF Independent / Boutique 3.05% $197,716,710.80 3,382,664 Apr 30, 2026 Jun 23, 2026
ARKG
ARK Genomic Revolution ETF
ETF Independent / Boutique 8.99% $111,086,504.55 1,900,539 Apr 30, 2026 Jun 23, 2026
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
ETF Vanguard 0.00% $87,779,419.20 1,847,210 Mar 31, 2026 May 28, 2026
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
ETF State Street (SPDR) 1.16% $85,917,870.72 1,808,036 Mar 31, 2026 May 28, 2026
IWM
iShares Russell 2000 ETF
ETF BlackRock / iShares 0.10% $70,514,120.16 1,483,883 Mar 31, 2026 May 28, 2026
NAESX
VANGUARD SMALL-CAP INDEX FUND
ETF Vanguard 0.04% $63,886,268.16 1,344,408 Mar 31, 2026 May 28, 2026
ARTMX
Artisan Mid Cap Fund
MF Independent / Boutique 1.84% $54,377,136.00 1,144,300 Mar 31, 2026 May 29, 2026
TSCSX
THRIVENT SMALL CAP STOCK FUND
MF Independent / Boutique 1.63% $47,740,381.85 816,773 Apr 30, 2026 Jun 26, 2026
BBGSX
Bridge Builder Small/Mid Cap Growth Fund
MF Independent / Boutique 0.40% $37,342,879.20 785,835 Mar 31, 2026 May 22, 2026
VISGX
VANGUARD SMALL-CAP GROWTH INDEX FUND
ETF Vanguard 0.09% $35,688,898.08 751,029 Mar 31, 2026 May 28, 2026
FIDGX
Fidelity Small Cap Growth Fund
MF Fidelity 0.42% $35,373,355.50 605,190 Apr 30, 2026 Jun 26, 2026
FSSNX
Fidelity Small Cap Index Fund
MF Fidelity 0.11% $35,042,703.85 599,533 Apr 30, 2026 Jun 26, 2026
ARTSX
Artisan Small Cap Fund
MF Independent / Boutique 3.86% $34,360,381.44 723,072 Mar 31, 2026 May 29, 2026
VEMPX
VANGUARD EXTENDED MARKET INDEX FUND
ETF Vanguard 0.04% $32,462,575.20 683,135 Mar 31, 2026 May 28, 2026
WSMDX
William Blair Small-Mid Cap Growth Fund
MF Independent / Boutique 2.16% $24,333,708.96 512,073 Mar 31, 2026 May 28, 2026
IWO
iShares Russell 2000 Growth ETF
ETF BlackRock / iShares 0.19% $23,482,673.28 494,164 Mar 31, 2026 May 28, 2026
WBSNX
William Blair Small Cap Growth Fund
MF Independent / Boutique 2.15% $21,378,012.48 449,874 Mar 31, 2026 May 28, 2026
IBB
iShares Biotechnology ETF
ETF BlackRock / iShares 0.26% $20,756,498.40 436,795 Mar 31, 2026 May 28, 2026
OSCAX
Invesco Main Street Small Cap Fund
MF Invesco 0.91% $20,142,397.44 423,872 Mar 31, 2026 May 28, 2026
FCDTX
Fidelity Stock Selector Small Cap Fund
MF Fidelity 0.29% $20,095,110.00 343,800 Apr 30, 2026 Jun 26, 2026
FOCSX
Fidelity Small Cap Growth K6 Fund
MF Fidelity 0.42% $17,932,460.00 306,800 Apr 30, 2026 Jun 26, 2026
KOMP
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
ETF State Street (SPDR) 0.73% $17,136,092.16 360,608 Mar 31, 2026 May 28, 2026
FSMAX
Fidelity Extended Market Index Fund
MF Fidelity 0.04% $14,841,875.16 316,323 Feb 28, 2026 Apr 24, 2026
FSOPX
Fidelity Series Small Cap Opportunities Fund
MF Fidelity 0.28% $14,139,055.00 241,900 Apr 30, 2026 Jun 26, 2026
VTWO
VANGUARD RUSSELL 2000 INDEX FUND
ETF Vanguard 0.09% $13,909,668.60 296,455 Feb 28, 2026 Apr 28, 2026
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