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OCS

Oculis Holding AG

Company with tickers: OCS, OCSAW

CIK
1953530
CUSIP
H5870P102
Shares Outstanding
60,388,073
13F Activity (30d)
50 filings 50 filers
Holders: 57
Total Value: $535,089,364
Total Shares: 20,123,708

Institutional Ownership Trend

13 quarters

Holder Concentration

Across 57 13F filers · Δ vs Dec 31, 2025
Top Holder
29.3%
Jun 2023 → Mar 2026 · range 29.3% – 76.1%
−3.3 pts
Top 5
65.1%
Jun 2023 → Mar 2026 · range 65.1% – 99.9%
−10.9 pts
Top 10
82.0%
Jun 2023 → Mar 2026 · range 82.0% – 100.0%
−7.8 pts
HHI
1,275
Jun 2023 → Mar 2026 · range 1,275 – 6,224
Broadly held −331

Quarterly Activity

vs Dec 31, 2025
New
23
Increased
11
Decreased
11
Sold Out
7
Unchanged
12
Holder count: +16
Institutional value: +48.2%
Shares held: +11.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +897,393 913,034
Mid FOLKETRYGDFONDET +136,756 319,556
Large HRT FINANCIAL LP +104,107 148,021
Mega MORGAN STANLEY +63,187 66,237
Mega JPMORGAN CHASE & CO +49,865 53,045

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small Pivotal bioVenture Partners Investment Advisor LLC −608,375 1,680,283
Small Nan Fung Group Holdings Ltd −163,957 350,745
Small Propel Bio Management, LLC −50,616 122,223
Small Simplify Asset Management Inc. −32,098 66,667
Small Gildi - lifeyrissjodur −17,584 2,430,401

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large ADAGE CAPITAL PARTNERS GP, L.L.C. 833,209 $22,155,027
Mid EVENTIDE ASSET MANAGEMENT, LLC 430,000 $11,433,700
Mega JANE STREET GROUP, LLC 90,161 $2,397,380
Mega GOLDMAN SACHS GROUP INC 67,753 $1,801,552
Large Point72 Asset Management, L.P. 56,127 $1,492,416

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Neo Ivy Capital Management 54,771 $1,093,776
Large MARSHALL WACE, LLP 45,773 $914,086
Large RENAISSANCE TECHNOLOGIES LLC 25,000 $499,250
Mega TWO SIGMA INVESTMENTS, LP 24,444 $488,146
Mid GSA CAPITAL PARTNERS LLP 13,042 $260,448
Filter: New 23 Increased 11 Reduced 11 Sold out 7 Unchanged 12
57 of 57 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid EQT Fund Management S.a r.l. $156,888,817 29.32% 5,900,294
Small Gildi - lifeyrissjodur $64,624,362 12.08% 2,430,401
Large Aberdeen Group plc $46,451,294 8.68% 1,746,946
Small Pivotal bioVenture Partners Investment Advisor LLC Venture Capital $44,678,724 8.35% 1,680,283
Mega WELLINGTON MANAGEMENT GROUP LLP $35,782,906 6.69% 1,345,728
Mega MILLENNIUM MANAGEMENT LLC $24,277,574 4.54% 913,034
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $22,155,027 4.14% 833,209
Small SR One Capital Management, LP $17,044,774 3.19% 641,022
Small Saturn V Capital Management LP $13,740,674 2.57% 516,761
Mid PERCEPTIVE ADVISORS LLC $13,130,859 2.45% 493,827
Mid EVENTIDE ASSET MANAGEMENT, LLC $11,433,700 2.14% 430,000
Small Nan Fung Group Holdings Ltd $9,326,309 1.74% 350,745
Large Alyeska Investment Group, L.P. $8,810,117 1.65% 331,332
Mid FOLKETRYGDFONDET $8,496,994 1.59% 319,556
Small SYQUANT CAPITAL SAS $5,926,033 1.11% 222,867
Large Woodline Partners LP $5,349,908 1.00% 201,200
Mega CITADEL ADVISORS LLC $4,288,540 0.80% 161,284
Small NEXTBio Capital Management LP $3,977,651 0.74% 149,592
Large HRT FINANCIAL LP $3,935,878 0.74% 148,021
Small Propel Bio Management, LLC $3,249,909 0.61% 122,223
Mid Compagnie Lombard Odier SCmA $2,804,048 0.52% 105,455
Small ACUTA CAPITAL PARTNERS, LLC $2,614,834 0.49% 98,339
Mega JANE STREET GROUP, LLC $2,397,380 0.45% 90,161
Mega BANK OF AMERICA CORP /DE/ Bank $1,855,023 0.35% 69,764
Mega GOLDMAN SACHS GROUP INC $1,801,552 0.34% 67,753
Small Simplify Asset Management Inc. $1,772,675 0.33% 66,667
Mega MORGAN STANLEY $1,761,241 0.33% 66,237
Mega UBS Group AG $1,668,415 0.31% 62,746
Mega GEODE CAPITAL MANAGEMENT, LLC $1,566,815 0.29% 58,925
Large Point72 Asset Management, L.P. $1,492,416 0.28% 56,127
Mega JPMORGAN CHASE & CO $1,410,466 0.26% 53,045
Large ALPS ADVISORS INC $1,237,472 0.23% 46,539
Large Trexquant Investment LP $1,176,288 0.22% 44,238
Mid Y-Intercept (Hong Kong) Ltd $776,348 0.15% 29,197
Large TUDOR INVESTMENT CORP ET AL $768,291 0.14% 28,894
Mid Quadrature Capital Ltd $677,566 0.13% 25,482
Mid BOOTHBAY FUND MANAGEMENT, LLC $663,686 0.12% 24,960
Mid XTX Topco Ltd $612,181 0.11% 23,023
Mega NORTHERN TRUST CORP Bank $563,415 0.11% 21,189
Large Qube Research & Technologies Ltd $544,829 0.10% 20,490
Mega STATE STREET CORP $505,210 0.09% 19,000
Mid HIMENSION CAPITAL (SINGAPORE) PTE. LTD. $503,242 0.09% 18,926
Large Centiva Capital, LP $482,475 0.09% 18,145
Large Squarepoint Ops LLC $384,145 0.07% 14,447
Small AXQ CAPITAL, LP $375,397 0.07% 14,118
Small Palumbo Wealth Management LLC $364,575 0.07% 13,711
Small Koshinski Asset Management, Inc. $237,634 0.04% 8,937
Mid Susquehanna Portfolio Strategies, LLC $226,653 0.04% 8,524
Mega BNP PARIBAS ARBITRAGE, SA $134,279 0.03% 5,050
Small Aventura Private Wealth, LLC $106,360 0.02% 4,000
Small Caitong International Asset Management Co., Ltd $14,358 0.00% 540
Mid Aquatic Capital Management LLC $6,700 0.00% 252
Mid SIMPLEX TRADING, LLC $5,902 0.00% 222
Large JONES FINANCIAL COMPANIES LLLP $5,583 0.00% 210
Mega ROYAL BANK OF CANADA Bank $1,728 0.00% 65
Small DUPONT CAPITAL MANAGEMENT CORP $106 0.00% 4
Mega CITIGROUP INC $26 0.00% 1

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