ARCT Institutional Ownership
Who owns Arcturus Therapeutics Holdings Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 135 funds reported holding ARCT at Jun 30, 2026, together owning 87.9% of the company.
- ▲74 buying vs 48 selling
- ▲Held by funds +2.4 pts
- ▲Funds holding +11
- ▲Superinvestors: 3 added, 2 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 | 135 | 124 | +8.9% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 25M | 24.3M | +2.9% |
| Held by funds | 87.9% | 85.5% | +2.4 pts |
| New positions | 19 | 24 | −20.8% |
| Increased | 55 | 47 | +17.0% |
| Reduced | 40 | 36 | +11.1% |
| Sold out | 8 | 23 | −65.2% |
| Calls (shares) | 13K | 1,321 | +855.4% |
| Puts (shares) | 1,500 | 0 | – |
| Put/call ratio | 0.12 | 0.00 | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ARCT
All superinvestors →
Who owns ARCT
share of fund held shares- Index and passive funds27.6%
- Active managers and hedge funds57.2%
- Banks and brokers14.9%
- Pensions, insurers and other0.3%
The top 10 holders own 69.1% of all ARCT 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
34 funds changed their position- Sumitomo Mitsui Trust Group, Inc.Trimmed−274K sh
- Y-Intercept (Hong Kong) LtdSold out−43K sh
- Creative PlanningNew+15K sh
- Strs OhioNew+11K sh
- Alps Advisors IncAdded+8,545 sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Federated Hermes, Inc. | 11.62% | 3.3M | $22.2M | 0 |
| 2 | ARK Investment Management LLC | 10.21% | 2.9M | $19.5M | +132K |
| 3 | BlackRock, Inc. | 9.20% | 2.6M | $17.6M | +731 |
| 4 | Sumitomo Mitsui Trust Group, Inc. | 6.91% | 2M | $13.2M | −326K |
| 5 | Amova Asset Management Americas, Inc. | 6.90% | 2M | $13.1M | −328K |
| 6 | Vanguard Capital Management LLC | 3.92% | 1.1M | $7.5M | +7,936 |
| 7 | Two Sigma Investments, LP | 3.84% | 1.1M | $7.3M | +9,353 |
| 8 | Vanguard Portfolio Management LLC | 3.35% | 952K | $6.4M | −26K |
| 9 | Geode Capital Management, LLC | 2.44% | 694K | $4.7M | +33K |
| 10 | AQR Capital Management LLC | 2.37% | 675K | $4.5M | +514K |
- AQR Capital Management LLC+514K sh+$3.5M
- Jacobs Levy Equity Management, Inc+449K sh+$3M
- Point72 Asset Management, L.P.+168K sh+$1.1M
- D. E. Shaw & Co., Inc.+140K sh+$943K
- ARK Investment Management LLC+132K sh+$888K
- Goldman Sachs Group Inc+111K sh+$747K
- Marshall Wace, LLP+77K sh+$519K
- Jump Financial, LLC+70K sh+$470K
- Amova Asset Management Americas, Inc.−328K sh−$2.2M
- Sumitomo Mitsui Trust Group, Inc.−326K sh−$2.2M
- Renaissance Technologies LLC−157K sh−$1.1M
- Susquehanna International Group, LLP−156K sh−$1.1M
- Acadian Asset Management LLC−149K sh−$998K
- Millennium Management LLC−142K sh−$951K
- Gsa Capital Partners LLP−85K sh−$568K
- Dimensional Fund Advisors LP−67K sh−$451K
ARCT institutional ownership FAQ
Who owns the most ARCT stock?
In Q2 2026 13F filings the largest holder of ARCT was Federated Hermes, Inc., followed by ARK Investment Management LLC and BlackRock, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of ARCT is owned by institutions?
Funds that file 13F reports held 87.9% of ARCT's shares at Jun 30, 2026, compared with 85.5% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying ARCT?
In Q2 2026, 74 funds bought ARCT (19 of them new positions) and 48 sold (8 sold out completely). Among well known investors, 3 added and 2 cut. Our fund sentiment for ARCT is strongly bullish.
What is ARCT's institutional put/call ratio?
Funds reported $10K of ARCT puts against $85K of calls, a put/call ratio of 0.12 (0.00 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this ARCT 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.