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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|

Rockwood Research

NOV

NOV Inc.

Oil & Gas Field Machinery & Equipment · SIC 3533CIK 1021860Held by 6 tracked managersEDGAR filings ↗10-K/10-Q ↗

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6 managers · latest 13F per manager (2 periods)

13F bookWeight

Pzena Investment Management

Richard PzenaPosition history →

2.0%

(3.1%)

$674.8M

$34.07B13F book · 2026-06-30

First Pacific Advisors

FPAPosition history →

1.5%

+1.1%

$118.6M

$8.08B13F book · 2026-06-30

Greenhaven Associates

GreenhavenPosition history →

1.2%

(2.3%)

$104.3M

$8.66B13F book · 2026-06-30

First Eagle Investment Management

First EaglePosition history →

0.94%

(15.7%)

$569.2M

$60.75B13F book · 2026-06-30

Olstein Capital Management

Robert OlsteinPosition history →

0.17%

(10.6%)

$0.8M

$0.46B13F book · 2026-03-31

Bridgewater Associates

Bridgewater AssociatesPosition history →

0.15%

+964.3%

$36.1M

$24.38B13F book · 2026-06-30

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.