OTLK Institutional Ownership
Who owns Outlook Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 70 funds reported holding OTLK at Jun 30, 2026, together owning 8.4% of the company.
- ▲47 buying vs 20 selling
- ▲Held by funds +4.0 pts
- ▲Funds holding +15
- ▼Superinvestors: 1 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 | 70 | 55 | +27.3% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 20.5M | 10.7M | +90.7% |
| Held by funds | 8.4% | 4.4% | +4.0 pts |
| New positions | 27 | 13 | +107.7% |
| Increased | 20 | 15 | +33.3% |
| Reduced | 7 | 6 | +16.7% |
| Sold out | 13 | 14 | −7.1% |
| Calls (shares) | 5,000 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | 0.00 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in OTLK
All superinvestors →
Who owns OTLK
share of fund held shares- Index and passive funds43.0%
- Active managers and hedge funds40.8%
- Banks and brokers16.2%
- Pensions, insurers and other0.0%
The top 10 holders own 82.2% of all OTLK 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
13 funds changed their position- Wealth Management Partners, LLCSold out−118K sh
- Gilpin Wealth Management, LLCAdded+70K sh
- Royal Fund Management, LLCAdded+64K sh
- Warberg Asset Management LLCNew+35K sh
- Flower City CapitalAdded+30K sh
🔒 Free account: see all 13.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Vanguard Capital Management LLC | 1.80% | 4.4M | $7M | +2.4M |
| 2 | Perceptive Advisors LLC | 1.29% | 3.1M | $5M | +3.1M |
| 3 | Marshall Wace, LLP | 0.82% | 2M | $3.2M | +2M |
| 4 | BlackRock, Inc. | 0.69% | 1.7M | $2.7M | +1.2M |
| 5 | Jane Street Group, LLC | 0.59% | 1.4M | $2.3M | +1.4M |
| 6 | Geode Capital Management, LLC | 0.51% | 1.2M | $2M | +642K |
| 7 | Susquehanna International Group, LLP | 0.40% | 968K | $1.5M | +834K |
| 8 | Hrt Financial LP | 0.32% | 785K | $1.2M | +717K |
| 9 | Vanguard Fiduciary Trust Co | 0.27% | 662K | $1.1M | +485K |
| 10 | Gilpin Wealth Management, LLC | 0.23% | 555K | $882K | −45K |
- Perceptive Advisors LLC+3.1M sh+$5M
- Vanguard Capital Management LLC+2.4M sh+$3.8M
- Marshall Wace, LLP+2M sh+$3.2M
- Jane Street Group, LLC+1.4M sh+$2.3M
- BlackRock, Inc.+1.2M sh+$1.9M
- Susquehanna International Group, LLP+834K sh+$1.3M
- Hrt Financial LP+717K sh+$1.1M
- Geode Capital Management, LLC+642K sh+$1M
- Armistice Capital, LLC−4.2M sh−$858K
- Commonwealth Equity Services, LLC−470K sh−$97K
- Gilpin Wealth Management, LLC−45K sh−$72K
- Warberg Asset Management LLC−275K sh−$56K
- Renaissance Technologies LLC−255K sh−$53K
- NINE MASTS CAPITAL Ltd−233K sh−$48K
- Connective Capital Management, LLC−200K sh−$41K
- Virtu Financial LLC−113K sh−$23K
OTLK institutional ownership FAQ
Who owns the most OTLK stock?
In Q2 2026 13F filings the largest holder of OTLK was Vanguard Capital Management LLC, followed by Perceptive Advisors LLC and Marshall Wace, LLP. Index fund managers are usually the biggest holders of large companies.
What percentage of OTLK is owned by institutions?
Funds that file 13F reports held 8.4% of OTLK's shares at Jun 30, 2026, compared with 4.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying OTLK?
In Q2 2026, 47 funds bought OTLK (27 of them new positions) and 20 sold (13 sold out completely). Among well known investors, 1 added and 2 cut. Our fund sentiment for OTLK is bullish.
What is OTLK's institutional put/call ratio?
Funds reported $0 of OTLK puts against $8K of calls, a put/call ratio of 0.00. Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this OTLK 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.