TDK

TDK CORP AMER DEP SH
TDK

Delisted

TDK was delisted on the 24th of April, 2009.

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8 hedge funds and large institutions have $4.57M invested in TDK CORP AMER DEP SH in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 2

33% more funds holding

Funds holding: 6 → 8 (+2)

63% less capital inflows, than outflows

Capital inflows: $212K | Capital outflows: $577K

Holders
8
Holders Change
+2
Holders Change %
+33.33%
% of All Funds
0.1%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
3
Reduced
2
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
RhumbLine Advisers
RhumbLine Advisers
Massachusetts
+$173K
2
GI
GAMMA Investing
California
+$27.4K
3
TSMHT
Thurston Springer Miller Herd & Titak
Indiana
+$5.32K
4
SL
Salomon & Ludwin
Virginia
+$5.21K
5
RFS
Richardson Financial Services
Massachusetts
+$935

Top Sellers

Rank Fund Capital Flow
1
BCAM
Boston Common Asset Management
Massachusetts
-$577K
2
PNC Financial Services Group
PNC Financial Services Group
Pennsylvania
-$212

TDK Hedge Fund Activity: Q4 2025 in Review

8 of the 8,287 institutional investors tracked by Wall St. Rank reported a position in TDK CORP AMER DEP SH (TDK) for Q4 2025, worth a combined $4.57M — down 10% from $5.09M a quarter earlier.

Buyers outnumbered sellers: 2 funds opened new TDK positions and 0 closed out — a net gain of 2 holders — while 3 added to existing stakes and 2 trimmed.

The largest buyer was RhumbLine Advisers, adding an estimated $173K. The largest seller was Boston Common Asset Management, cutting an estimated $577K.

  • 8 institutional investors held TDK CORP AMER DEP SH (TDK) as of Q4 2025, up from 6 in Q3 2025.
  • Funds reported $4.57M of TDK CORP AMER DEP SH stock for Q4 2025, down 10% quarter-over-quarter.
  • 2 funds opened new TDK CORP AMER DEP SH positions in Q4 2025 and 0 closed out, a net change of +2 holders.
  • The largest TDK CORP AMER DEP SH buyer in Q4 2025 was RhumbLine Advisers, an estimated $173K added.
  • The largest TDK CORP AMER DEP SH seller in Q4 2025 was Boston Common Asset Management, an estimated $577K sold.

Based on aggregated 13F filings for Q4 2025.