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ROCK · LIN in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

ROCKLIN
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • ROCK
  • LIN
010203040202120222023202420252026
Holders and value by quarter
QuarterROCKLIN
Q3 20203 holders, $237mnone listed holders, n.a.
Q4 20203 holders, $269mnone listed holders, n.a.
Q1 20213 holders, $333mnone listed holders, n.a.
Q2 20212 holders, $3.7mnone listed holders, n.a.
Q3 20212 holders, $4.1mnone listed holders, n.a.
Q4 20212 holders, $4.6mnone listed holders, n.a.
Q1 20223 holders, $6.3mnone listed holders, n.a.
Q2 20224 holders, $8.8mnone listed holders, n.a.
Q3 20223 holders, $8.0mnone listed holders, n.a.
Q4 20222 holders, $6.1mnone listed holders, n.a.
Q1 20232 holders, $8.0m40 holders, $29.9bn
Q2 20233 holders, $12m35 holders, $30.7bn
Q3 20234 holders, $40m31 holders, $30.1bn
Q4 20236 holders, $79m32 holders, $32.7bn
Q1 20245 holders, $67m27 holders, $34.3bn
Q2 20244 holders, $70m28 holders, $30.5bn
Q3 20242 holders, $11m23 holders, $32.2bn
Q4 20241 holders, $5.1m32 holders, $28.9bn
Q1 20252 holders, $123m32 holders, $31.9bn
Q2 20252 holders, $8.9m31 holders, $31.8bn
Q3 20251 holders, $5.7m28 holders, $31.5bn
Q4 20253 holders, $90m36 holders, $30.2bn
Q1 20264 holders, $115m35 holders, $37.0bn
Q2 20263 holders, $95m34 holders, $40.4bn
ROCK

Gibraltar Industries Inc

Holders
1
Reported value
$5.7m
Buyers
0
Sellers
1

Breadth -1 among 95 comparable managers.

Materials
LIN

Linde PLC

Holders
28
Reported value
$31.5bn
Buyers
14
Sellers
15

Breadth -1 among 95 comparable managers.

Materials

Who holds both, Q3 2025

Among the 29 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Both (0)

No tracked manager lists every one of them.

Only ROCK (1)

GAMCO Investors Inc

Only LIN (28)

AllianceBernstein LP, AQR Capital Management LLC, Arrowstreet Capital LP, Artisan Partners LP, Balyasny Asset Management LLC, Capital Research Global Investors, Capital World Investors, D. E. Shaw & Co., Dodge & Cox, ExodusPoint Capital Management LP, Fidelity (FMR LLC), Holocene Advisors LP, Invesco Ltd, Jane Street Group LLC, Janus Henderson Group Ltd, Man Group PLC, Markel Group Inc, Marshall Wace LLP, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, Point72 Asset Management LP, Quantbot Technologies LP, T. Rowe Price Associates Inc, Tudor Investment Corp, and 3 more

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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