OCS Institutional Ownership
Who owns Oculis Holding AG and what the big funds did with it last quarter, from every SEC 13F filing. 59 funds reported holding OCS at Jun 30, 2026.
- ▲44 buying vs 27 selling
- ▲Shares held by funds +15.4%
- ▲Funds holding +2
- ▲Superinvestors: 3 added, 0 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 | 59 | 57 | +3.5% |
| In funds' top 10 | 4 | 6 | −33.3% |
| 13F shares | 23.2M | 20.1M | +15.4% |
| Held by funds | – | – | – |
| New positions | 21 | 23 | −8.7% |
| Increased | 23 | 11 | +109.1% |
| Reduced | 9 | 11 | −18.2% |
| Sold out | 18 | 7 | +157.1% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in OCS
All superinvestors →
Who owns OCS
share of fund held shares- Index and passive funds0.5%
- Active managers and hedge funds92.6%
- Banks and brokers5.3%
- Pensions, insurers and other1.7%
The top 10 holders own 74.3% of all OCS shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
6 funds changed their position- Y-Intercept (Hong Kong) LtdTrimmed−76K sh
- Alps Advisors IncAdded+24K sh
- China Universal Asset Management Co., Ltd.New+8,100 sh
- Wolverine Asset Management LLCAdded+2,068 sh
- Caitong International Asset Management Co., LtdNew+260 sh
🔒 Free account: see all 6.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | EQT Fund Management S.a r.l. | – | 7M | $96.4M | +1.1M |
| 2 | Aberdeen Group plc | – | 2.2M | $30M | +413K |
| 3 | Millennium Management LLC | – | 2M | $28.3M | +1.1M |
| 4 | Pivotal bioVenture Partners Investment Advisor LLC | – | 1.5M | $20.9M | −174K |
| 5 | Citadel Advisors LLC | – | 987K | $13.7M | +826K |
| 6 | Braidwell LP | – | 834K | $11.6M | +834K |
| 7 | Perceptive Advisors LLC | – | 809K | $11.2M | +315K |
| 8 | Saturn V Capital Management LP | – | 685K | $9.5M | +168K |
| 9 | SR One Capital Management, LP | – | 641K | $8.9M | 0 |
| 10 | Siren, L.L.C. | – | 625K | $8.7M | +625K |
- Millennium Management LLC+1.1M sh+$15.7M
- EQT Fund Management S.a r.l.+1.1M sh+$14.6M
- Braidwell LP+834K sh+$11.6M
- Citadel Advisors LLC+826K sh+$11.5M
- Siren, L.L.C.+625K sh+$8.7M
- Ameriprise Financial Inc+620K sh+$8.6M
- PFM Health Sciences, LP+436K sh+$6M
- Franklin Resources Inc+435K sh+$6M
- Adage Capital Partners Gp, L.l.c.−833K sh−$22.2M
- Eventide Asset Management, LLC−430K sh−$11.4M
- Wellington Management Group LLP−806K sh−$11.2M
- Folketrygdfondet−320K sh−$8.5M
- NEXTBio Capital Management LP−150K sh−$4M
- Hrt Financial LP−148K sh−$3.9M
- Propel Bio Management, LLC−122K sh−$3.3M
- Acuta Capital Partners, LLC−98K sh−$2.6M
OCS institutional ownership FAQ
Who owns the most OCS stock?
In Q2 2026 13F filings the largest holder of OCS was EQT Fund Management S.a r.l., followed by Aberdeen Group plc and Millennium Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of OCS is owned by institutions?
59 funds reported holding 23.2M OCS shares at Jun 30, 2026.
Are hedge funds buying OCS?
In Q2 2026, 44 funds bought OCS (21 of them new positions) and 27 sold (18 sold out completely). Among well known investors, 3 added and 0 cut. Our fund sentiment for OCS is strongly bullish.
What is OCS's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this OCS 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.