# IBERE PHARMACEUTICALS (IBER)

> Institutional ownership reported to the SEC as of Q4 2022, from Form 13F filings. Source: https://holderbook.com/stocks/IBER/

- Reporting holders: 47
- Reported value: $126.1M
- Held through calls: 0.0%
- 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 |
|---|---|---|---|---|
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $13.4M | 1,330,102 | 0.3% | 7 |
| [Magnetar Financial LLC](https://holderbook.com/funds/1352851-magnetar-financial-llc/) | $7.9M | 785,872 | 0.1% | 3 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $7.2M | 716,613 | 0.1% | 7 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $6.9M | 678,918 | 0.1% | 7 |
| [ARISTEIA CAPITAL LLC](https://holderbook.com/funds/1080171-aristeia-capital-llc/) | $6.8M | 675,173 | 0.1% | 4 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $6.7M | 660,664 | 0.0% | 7 |
| [First Trust Capital Management L.P.](https://holderbook.com/funds/1604488-first-trust-capital-management-l-p/) | $5.5M | 542,852 | 0.3% | 2 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $5.4M | 539,807 | 0.0% | 7 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $4.7M | 470,395 | 0.2% | 7 |
| [KIM, LLC](https://holderbook.com/funds/1888968-kim-llc/) | $4.5M | 450,000 | 0.3% | 3 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $4.5M | 450,000 | 0.0% | 7 |
| [Sculptor Capital LP](https://holderbook.com/funds/1054587-sculptor-capital-lp/) | $4.3M | 425,000 | 0.1% | 7 |
| [Vestcor Inc](https://holderbook.com/funds/1536925-vestcor-inc/) | $4.0M | 400,000 | 0.1% | 7 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $3.6M | 355,704 | 0.0% | 4 |
| [Cohanzick Management, LLC](https://holderbook.com/funds/1517133-cohanzick-management-llc/) | $3.5M | 345,252 | 1.0% | 2 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $3.3M | 327,150 | 0.1% | 7 |
| [HSBC HOLDINGS PLC](https://holderbook.com/funds/873630-hsbc-holdings-plc/) | $3.3M | 325,108 | 0.0% | 1 |
| [BANK OF AMERICA CORP /DE/](https://holderbook.com/funds/70858-bank-of-america-corp-de/) | $3.2M | 320,000 | 0.0% | 4 |
| [NOMURA HOLDINGS INC](https://holderbook.com/funds/1163653-nomura-holdings-inc/) | $3.2M | 318,644 | 0.0% | 7 |
| [MOORE CAPITAL MANAGEMENT, LP](https://holderbook.com/funds/1448574-moore-capital-management-lp/) | $3.0M | 300,000 | 0.1% | 7 |
| [Castle Creek Arbitrage, LLC](https://holderbook.com/funds/1326638-castle-creek-arbitrage-llc/) | $2.6M | 253,446 | 0.2% | 6 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $2.5M | 243,944 | 0.1% | 1 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $2.1M | 206,415 | 0.1% | 3 |
| [PICTON MAHONEY ASSET MANAGEMENT](https://holderbook.com/funds/1539041-picton-mahoney-asset-management/) | $2.0M | 200,000 | 0.1% | 7 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $1.5M | 150,000 | 0.0% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2022 | 47 | $126.1M |
| Q3 2022 | 48 | $119.9M |
| Q2 2022 | 46 | $107.6M |
| Q1 2022 | 48 | $105.1M |
| Q4 2021 | 47 | $100.3M |
| Q3 2021 | 38 | $71.5M |
| Q2 2021 | 32 | $61.2M |