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Disclosery

OCS OCULIS HOLDING AG

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CMN (common), issuer CIK 1953530

41 managers (41 13F filers) reported a position in OCS shares at 2025-12-31, 18,075,560 shares in all. 20 filers opened a position and 1 filer sold out during the quarter.

Managers
41
13F filers
41
New
20
Added
9
Reduced
4
Sold out
1
Shares held by filers
18,075,560

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
EQT Fund Management S.a r.l.5,900,294$118M10.6%013F-HRTimeline
Gildi - lifeyrissjodur2,447,985$50.3M22.73%13F-HRTimeline
Pivotal bioVenture Partners Investment …in group Pivotal bioVenture Partners I…2,288,658$45.7M17.67%-12,11613F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc1,746,946$34.9M0.05%+493,82713F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…1,356,179$27.1M<0.01%new13F-HRTimelineGroup
SR One Capital Management, LP641,022$12.8M1.81%+318,52213F-HRTimeline
Saturn V Capital Management LP516,761$10.3M1.89%new13F-HRTimeline
Nan Fung Group Holdings Ltd514,702$10.3M9.2%013F-HRTimeline
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC493,827$9.86M0.18%new13F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.331,332$6.62M0.02%+200,00013F-HRTimelineGroup
Woodline Partners LP201,200$4.02M0.02%+117,36713F-HRTimeline
SYQUANT CAPITAL SAS192,722$3.85M0.47%new13F-HRTimeline
FOLKETRYGDFONDET182,800$3.65M0.08%new13F-HRTimeline
Propel Bio Management, LLC172,839$3.45M2.95%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC165,487$3.3M<0.01%new13F-HRTimelineGroup
NEXTBio Capital Management LP149,750$2.99M1.75%13F-HRTimeline
Neo Ivy Capital Management54,771$2.55M0.4%new13F-HRTimeline
Compagnie Lombard Odier SCmA107,300$2.14M0.02%+10,30013F-HRTimeline
ACUTA CAPITAL PARTNERS, LLC101,777$2.03M1.38%013F-HRTimeline
Simplify Asset Management Inc.98,765$1.97M0.03%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/63,951$1.28M<0.01%+25,41613F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC46,947$938K0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG45,916$917K<0.01%-28,81613F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP45,773$914K<0.01%new13F-HRTimelineGroup
HRT FINANCIAL LP43,914$876K<0.01%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC36,061$720K<0.01%+6,62513F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC25,000$499K<0.01%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP24,444$488K<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP21,189$423K<0.01%-61513F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC15,641$312K<0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP13,042$260K0.02%new13F-HRTimeline
STATE STREET CORPin group STATE STREET CORP12,519$250K<0.01%+14013F-HRTimelineGroup
Aventura Private Wealth, LLC4,000$79.9K0.03%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS3,600$71.9K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO3,180$63.5K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,050$60.9K<0.01%-3,36613F-HR/ATimelineGroup
China Universal Asset Management Co., L…2,000$39.9K<0.01%+1,00013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP210$4.19K<0.01%new13F-HRTimelineGroup
DUPONT CAPITAL MANAGEMENT CORP4$80<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC1$20<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.1$20<0.01%013F-HRTimeline