# ORION BIOTECH OPPORTUNTES CO (ORIAW)

> Institutional ownership reported to the SEC as of Q1 2023, from Form 13F filings. Source: https://holderbook.com/stocks/ORIAW/

- Reporting holders: 24
- Reported value: $1.4M
- Held through calls: 86.2%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [ANGELO GORDON & CO., L.P.](https://holderbook.com/funds/860662-angelo-gordon-co-l-p/) | $613.8K | 0 | 0.2% | 7 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $562.6K | 0 | 0.0% | 7 |
| [Anson Funds Management LP](https://holderbook.com/funds/1491072-anson-funds-management-lp/) | $306.9K | 30,000 | 0.0% | 7 |
| [Segantii Capital Management Ltd](https://holderbook.com/funds/1544676-segantii-capital-management-ltd/) | $306.9K | 30,000 | 0.0% | 7 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $30.6K | 383,533 | 0.0% | 6 |
| [GRITSTONE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1964236-gritstone-asset-management-llc/) | $21.4K | 267,722 | 0.0% | 2 |
| [683 Capital Management, LLC](https://holderbook.com/funds/1404574-683-capital-management-llc/) | $19.2K | 239,800 | 0.0% | 7 |
| [MMCAP International Inc. SPC](https://holderbook.com/funds/1304857-mmcap-international-inc-spc/) | $12.8K | 159,802 | 0.0% | 7 |
| [KIM, LLC](https://holderbook.com/funds/1888968-kim-llc/) | $11.3K | 160,000 | 0.0% | 4 |
| [CANTOR FITZGERALD, L. P.](https://holderbook.com/funds/1024896-cantor-fitzgerald-l-p/) | $9.9K | 124,365 | 0.0% | 6 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $9.1K | 139,998 | 0.0% | 5 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $9.0K | 114,273 | 0.0% | 6 |
| [Arena Capital Advisors, LLC- CA](https://holderbook.com/funds/1833078-arena-capital-advisors-llc-ca/) | $8.9K | 111,314 | 0.0% | 7 |
| [Atalaya Capital Management LP](https://holderbook.com/funds/1812285-atalaya-capital-management-lp/) | $8.0K | 100,000 | 0.0% | 7 |
| [P SCHOENFELD ASSET MANAGEMENT LP](https://holderbook.com/funds/1040198-p-schoenfeld-asset-management-lp/) | $8.0K | 100,000 | 0.0% | 5 |
| [HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND](https://holderbook.com/funds/1535845-healthcare-of-ontario-pension-plan-trust-fund/) | $7.1K | 100,000 | 0.0% | 5 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $5.9K | 74,140 | 0.0% | 2 |
| [Calamos Advisors LLC](https://holderbook.com/funds/1316507-calamos-advisors-llc/) | $5.3K | 75,000 | 0.0% | 3 |
| [Fortress Investment Group LLC](https://holderbook.com/funds/1380393-fortress-investment-group-llc/) | $5.3K | 66,173 | 0.0% | 7 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $5.2K | 80,001 | 0.0% | 7 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $2.8K | 34,410 | 0.0% | 7 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $2.7K | 38,200 | 0.0% | 7 |
| [DG Capital Management, LLC](https://holderbook.com/funds/1512716-dg-capital-management-llc/) | $1.8K | 25,870 | 0.0% | 7 |
| [DUPONT CAPITAL MANAGEMENT CORP](https://holderbook.com/funds/1128251-dupont-capital-management-corp/) | $1.4K | 20,000 | 0.0% | 7 |
| [Jefferies Financial Group Inc.](https://holderbook.com/funds/96223-jefferies-financial-group-inc/) | $1.3K | 18,348 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2023 | 24 | $1.4M |
| Q4 2022 | 27 | $952.3K |
| Q3 2022 | 28 | $911.4K |
| Q2 2022 | 27 | $886.8K |
| Q1 2022 | 27 | $1.4M |
| Q4 2021 | 22 | $2.3M |
| Q3 2021 | 17 | $1.7M |