# FLEX PHARMA INC (FLKS)

> Institutional ownership reported to the SEC as of Q2 2019, from Form 13F filings. Source: https://holderbook.com/stocks/FLKS/

- Reporting holders: 10
- Reported value: $1.1M
- 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 |
|---|---|---|---|---|
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $769.0K | 1,391,648 | 0.0% | 3 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $97.0K | 175,716 | 0.0% | 3 |
| [Ahrens Investment Partners LLC](https://holderbook.com/funds/1698481-ahrens-investment-partners-llc/) | $78.0K | 141,000 | 0.0% | 2 |
| [VANGUARD GROUP INC](https://holderbook.com/funds/102909-vanguard-group-inc/) | $66.0K | 119,407 | 0.0% | 3 |
| [Advisor Group, Inc.](https://holderbook.com/funds/1681115-advisor-group-inc/) | $26.0K | 47,500 | 0.0% | 3 |
| [BlackRock Inc.](https://holderbook.com/funds/1364742-blackrock-inc/) | $16.0K | 29,945 | 0.0% | 3 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $12.0K | 21,462 | 0.0% | 3 |
| [Creative Planning](https://holderbook.com/funds/1540235-creative-planning/) | $11.0K | 20,000 | 0.0% | 1 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $7.0K | 12,927 | 0.0% | 1 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $2.0K | 4,000 | 0.0% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2019 | 10 | $1.1M |
| Q1 2019 | 16 | $1.0M |
| Q4 2018 | 21 | $715.0K |