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NTGR · SNDK 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.

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.
  • NTGR
  • SNDK
0204060202120222023202420252026
Holders and value by quarter
QuarterNTGRSNDK
Q3 20204 holders, $19mnone listed holders, n.a.
Q4 20203 holders, $34mnone listed holders, n.a.
Q1 20213 holders, $34mnone listed holders, n.a.
Q2 20214 holders, $28mnone listed holders, n.a.
Q3 20212 holders, $2.2mnone listed holders, n.a.
Q4 20212 holders, $2.1mnone listed holders, n.a.
Q1 20222 holders, $1.6mnone listed holders, n.a.
Q2 20221 holders, $1.1mnone listed holders, n.a.
Q3 20221 holders, $1.7mnone listed holders, n.a.
Q4 20221 holders, $1.0mnone listed holders, n.a.
Q1 20231 holders, $542knone listed holders, n.a.
Q2 20232 holders, $5.2mnone listed holders, n.a.
Q3 20232 holders, $5.4mnone listed holders, n.a.
Q4 20233 holders, $7.5mnone listed holders, n.a.
Q1 20243 holders, $13mnone listed holders, n.a.
Q2 20242 holders, $11mnone listed holders, n.a.
Q3 20242 holders, $13mnone listed holders, n.a.
Q4 20243 holders, $30mnone listed holders, n.a.
Q1 20254 holders, $31m7 holders, $1.3bn
Q2 20252 holders, $35m14 holders, $1.6bn
Q3 20252 holders, $43m19 holders, $4.2bn
Q4 20253 holders, $29m27 holders, $9.8bn
Q1 20263 holders, $32m38 holders, $19.8bn
Q2 20262 holders, $40m41 holders, $55.4bn
NTGR

Netgear Inc

Holders
2
Reported value
$43m
Buyers
2
Sellers
0

Breadth +2 among 95 comparable managers.

SNDK

SanDisk Corp

Holders
19
Reported value
$4.2bn
Buyers
13
Sellers
9

Breadth +4 among 95 comparable managers.

Who holds both, Q3 2025

Among the 21 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

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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