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Of the 9 tracked institutions holding CLB, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +5.8pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, CLB (CORE LABORATORIES INC) is held with a combined value of $173.14M across 13,704,035 shares. The largest holder is BlackRock, Inc. with a position worth $86.91M. 6 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$173.14M
Total Shares Held
13,704,035
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $86.91M | 0.00% | +3.5% |
| 2 | VANGUARD GROUP INC | $49.37M | 0.00% | +1.1% |
| 3 | STATE STREET CORP | $25.36M | 0.00% | +5.6% |
| 4 | Fisher Asset Management, LLC | $5.22M | 0.00% | -39.2% |
| 5 | CITADEL ADVISORS LLC | $4.33M | 0.00% | +140.1% |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $981.00K | 0.00% | +47.3% |
| 7 | AQR CAPITAL MANAGEMENT LLC | $755.03K | 0.00% | +24.8% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $168.93K | 0.00% | -71.3% |
| 9 | FMR LLC | $52.28K | 0.00% | -45.8% |
| Member | Type | Date |
|---|---|---|
| Shelley M Capito | Sell | Apr 24, 2018 |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CLB with a position worth $86.91M, representing 0.00% of their portfolio. In total, 9 institutional investors hold CLB with a combined value of $173.14M.
Institutional investors hold $173.14M worth of CLB stock across 9 positions. The largest institutional holder is BlackRock, Inc. with $86.91M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CLB, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CLB positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-14 |
| 8.3% | 2026-08-06 |
SEC Schedule 13D (activist) and 13G (passive) filings for CLB. Filed when an investor acquires 5%+ ownership.
Last Close
$10.00
2026-10-16
YTD
-41.0%
3% of 52-week range
