OPPENHEIMER ASSET MANAGEMENT INC. CLB — CORE LABORATORIES INC

Ownership history in OPPENHEIMER ASSET MANAGEMENT INC.  ·  12 quarters on record

AI Ownership Summary

OPPENHEIMER ASSET MANAGEMENT INC. reported CORE LABORATORIES INC (CLB) in 12 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.01% in 2024 Q3. The latest visible filing shows CLB at 0.01% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CLB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was OPPENHEIMER ASSET MANAGEMENT INC.'s position in CORE LABORATORIES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

CLB was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

CLB stock page OPPENHEIMER ASSET MANAGEMENT INC. fund profile OPPENHEIMER ASSET MANAGEMENT INC. full holdings
How OPPENHEIMER ASSET MANAGEMENT INC. held CLB — position size vs. price
% of Fund (quarterly)    CLB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 48,525 +6,050 +14.2% 0.01% $815K 2026-04-24 $17.44
2025 Q4 REDUCED 22.6% +4.8% ❌ 42,475 -12,383 -22.6% 0.01% $681K 2026-02-02 $19.56
2025 Q3 REDUCED 12.9% +31.9% ❌ 54,858 -8,093 -12.9% 0.01% $678K 2025-11-14 (Est.) $15.37
2025 Q2 REDUCED 9.0% +9.1% ❌ 62,951 -6,233 -9.0% 0.01% $725K 2025-07-31 $10.91
2025 Q1 ADDED — — — 69,184 +11,438 +19.8% 0.01% $1.0M 2025-04-23 $12.03
2024 Q4 REDUCED 10.6% -13.4% ✅ 57,746 -6,836 -10.6% 0.01% $1000K 2025-02-05 $17.76
2024 Q3 ADDED — — — 64,582 +10,272 +18.9% 0.01% $1.2M 2024-11-05 $19.46
2024 Q2 ADDED — — — 54,310 +758 +1.4% 0.01% $1.1M 2024-08-08 $20.40
2024 Q1 ADDED — — — 53,552 +1,129 +2.2% 0.01% $915K 2024-05-07 $16.00
2023 Q4 REDUCED 22.2% -2.9% ✅ 52,423 -14,949 -22.2% 0.01% $926K 2024-02-13 $14.07
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CLB

As of 2026 Q1 — sorted by position size

MAC Alpha Capital Management, LP 2.77% ARIEL INVESTMENTS, LLC 3Y 7Y 2.48% DISCIPLINED GROWTH INVESTORS INC /MN 3Y 7Y 1.7% CWA Asset Management Group, LLC 3Y 7Y 0.99% BWM Planning, LLC 0.29% EARNEST PARTNERS LLC 3Y 7Y 0.21% Pacific Ridge Capital Partners, LLC 3Y 7Y 0.16% GENDELL JEFFREY L 3Y 7Y 0.15% HEARTLAND ADVISORS INC 3Y 7Y 0.13% CoreCommodity Management, LLC 3Y 7Y 0.1%

FAQ About OPPENHEIMER ASSET MANAGEMENT INC. and CLB

These are the practical questions this page is built to answer before you even open the full history table.

How long has OPPENHEIMER ASSET MANAGEMENT INC. reported owning CLB?

OPPENHEIMER ASSET MANAGEMENT INC. reported CLB across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported CLB position in OPPENHEIMER ASSET MANAGEMENT INC.'s portfolio?

The largest reported portfolio weight for CLB was 0.01% in 2024 Q3.

What is the latest reported CLB position on this page?

The most recent filing on this page is 2026 Q1, when OPPENHEIMER ASSET MANAGEMENT INC. reported 48,525 shares, equal to 0.01% of portfolio, with an estimated market value of $815K.

What does the chart on this CLB ownership page compare?

The chart compares OPPENHEIMER ASSET MANAGEMENT INC.'s quarterly CLB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did OPPENHEIMER ASSET MANAGEMENT INC. time their CLB position?

Based on 13F filing dates vs. subsequent CLB price moves, OPPENHEIMER ASSET MANAGEMENT INC. correctly timed 4 out of 11 reported position changes (36%). The annualised alpha on CLB relative to SPY over the holding period was -27.4%.

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