TWST Institutional Ownership
Who owns Twist Bioscience Corp and what the big funds did with it last quarter, from every SEC 13F filing. 338 funds reported holding TWST at Jun 30, 2026, together owning 121.8% of the company.
- ▲188 buying vs 132 selling
- ▼Held by funds -1.1 pts
- ▲Funds holding +57
- ▼Superinvestors: 1 added, 5 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 338 | 281 | +20.3% |
| In funds' top 10 | 6 | 5 | +20.0% |
| 13F shares | 76.4M | 77.1M | −0.9% |
| Held by funds | 121.8% | 122.9% | −1.1 pts |
| New positions | 88 | 61 | +44.3% |
| Increased | 100 | 75 | +33.3% |
| Reduced | 101 | 89 | +13.5% |
| Sold out | 31 | 29 | +6.9% |
| Calls (shares) | 8,600 | 0 | – |
| Puts (shares) | 28K | 0 | – |
| Put/call ratio | 3.26 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in TWST
All superinvestors →
Who owns TWST
share of fund held shares- Index and passive funds27.2%
- Active managers and hedge funds61.4%
- Banks and brokers10.2%
- Pensions, insurers and other1.2%
The top 10 holders own 48.4% of all TWST shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
96 funds changed their position- Sumitomo Mitsui Trust Group, Inc.Trimmed−224K sh
- Principal Financial Group IncAdded+151K sh
- State of Michigan Retirement SystemTrimmed−81K sh
- BI Asset Management Fondsmaeglerselskab A/SNew+52K sh
- Robeco Institutional Asset Management B.V.New+29K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.30% | 5.8M | $600M | +280K |
| 2 | Artisan Partners Limited Partnership | 7.66% | 4.8M | $494M | −1.6M |
| 3 | Fmr LLC | 7.50% | 4.7M | $484M | +2.8M |
| 4 | ARK Investment Management LLC | 7.26% | 4.5M | $468M | −1.8M |
| 5 | Price T Rowe Associates Inc /md/ | 5.80% | 3.6M | $374M | +3.6M |
| 6 | State Street Corp | 5.15% | 3.2M | $333M | −438K |
| 7 | Vanguard Portfolio Management LLC | 4.51% | 2.8M | $291M | +176K |
| 8 | Vanguard Capital Management LLC | 4.30% | 2.7M | $278M | +60K |
| 9 | EdgePoint Investment Group Inc. | 4.02% | 2.5M | $259M | −2.9M |
| 10 | William Blair Investment Management, LLC | 3.47% | 2.2M | $224M | −3.1M |
- Price T Rowe Associates Inc /md/+3.6M sh+$367M
- Fmr LLC+2.8M sh+$289M
- D. E. Shaw & Co., Inc.+1.1M sh+$117M
- Stephens Investment Management Group LLC+767K sh+$78.9M
- Farallon Capital Management, L.l.c.+709K sh+$72.9M
- Voya Investment Management LLC+661K sh+$68.1M
- Morgan Stanley+643K sh+$66.2M
- FIL Ltd+641K sh+$66M
- William Blair Investment Management, LLC−3.1M sh−$318M
- EdgePoint Investment Group Inc.−2.9M sh−$294M
- ARK Investment Management LLC−1.8M sh−$184M
- Artisan Partners Limited Partnership−1.6M sh−$161M
- Soleus Capital Management, L.P.−1.1M sh−$115M
- Balyasny Asset Management L.P.−719K sh−$74M
- Jane Street Group, LLC−515K sh−$53M
- Amova Asset Management Americas, Inc.−496K sh−$51.1M
TWST institutional ownership FAQ
Who owns the most TWST stock?
In Q2 2026 13F filings the largest holder of TWST was BlackRock, Inc., followed by Artisan Partners Limited Partnership and Fmr LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of TWST is owned by institutions?
Funds that file 13F reports held 121.8% of TWST's shares at Jun 30, 2026, compared with 122.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying TWST?
In Q2 2026, 188 funds bought TWST (88 of them new positions) and 132 sold (31 sold out completely). Among well known investors, 1 added and 5 cut. Our fund sentiment for TWST is neutral.
What is TWST's institutional put/call ratio?
Funds reported $2.9M of TWST puts against $885K of calls, a put/call ratio of 3.26. Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this TWST ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.