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Foster
FSTR

95 hedge funds and large institutions have $213M invested in Foster in 2025 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 30 increasing their positions, 33 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

125% more first-time investments, than exits

New positions opened: 9 | Existing positions closed: 4

6% more funds holding

Funds holding: 90 → 95 (+5)

1.28% more ownership

Funds ownership: 74.92% → 76.2% (+1.3%)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

0% less capital invested

Capital invested by funds: $214M → $213M (-$644K)

9% less repeat investments, than reductions

Existing positions increased: 30 | Existing positions reduced: 33

Holders
95
Holders Change
+5
Holders Change %
+5.56%
% of All Funds
1.16%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
9
Increased
30
Reduced
33
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
WANY
Wealthspire Advisors (New York)
New York
+$1.59M
2
BlackRock
BlackRock
New York
+$1.58M
3
BIP
Brandes Investment Partners
California
+$550K
4
Morgan Stanley
Morgan Stanley
New York
+$358K
5
RS
R Squared
Hong Kong
+$261K

Top Sellers

Rank Fund Capital Flow
1
2L
22NW LP
Washington
-$3.29M
2
Citigroup
Citigroup
New York
-$1.47M
3
Citadel Advisors
Citadel Advisors
Florida
-$550K
4
GI
GAMCO Investors
Connecticut
-$416K
5
EF
Empowered Funds
Pennsylvania
-$381K
Name Holding Trade Value Shares
Change 		Change in
Stake
RS
51
R Squared
Hong Kong
$261K +$261K +9,667 New
SO
52
STRS Ohio
Ohio
$259K -$56.7K -2,100 -18%
Osaic Holdings
53
Osaic Holdings
Arizona
$253K +$253K +9,370 +93,700%
Arrowstreet Capital
54
Arrowstreet Capital
Massachusetts
$248K – – –
SA
55
Sanctuary Advisors
Indiana
$236K -$6.99K -259 -3%
WA
56
WealthTrust Axiom
Pennsylvania
$233K – – –
JWCA
57
J.W. Cole Advisors
Florida
$229K -$6.75K -250 -2%
RWM
58
Ritholtz Wealth Management
New York
$224K +$224K +8,311 New
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$218K -$28K -1,036 -11%
AQR Capital Management
60
AQR Capital Management
Connecticut
$202K +$202K +7,499 New
BNP Paribas Financial Markets
61
BNP Paribas Financial Markets
France
$198K +$43.2K +1,600 +28%
SOW
62
State of Wyoming
Wyoming
$180K +$36.6K +1,355 +25%
Deutsche Bank
63
Deutsche Bank
Germany
$180K +$180K +6,669 New
MIM
64
MetLife Investment Management
New Jersey
$154K – – –
Citigroup
65
Citigroup
New York
$145K -$1.47M -54,644 -91%
RBC
66
Roble Belko & Company
Pennsylvania
$135K – – –
Mirae Asset Global ETFs Holdings
67
Mirae Asset Global ETFs Holdings
Hong Kong
$127K -$3.37K -125 -3%
New York State Common Retirement Fund
68
New York State Common Retirement Fund
New York
$127K – – –
PFSRSONJ
69
Police & Firemen's Retirement System of New Jersey
New Jersey
$68.5K – – –
Comerica Bank
70
Comerica Bank
Texas
$46K +$6.5K +241 +16%
Legal & General Group
71
Legal & General Group
United Kingdom
$24.9K – – –
AIP
72
Ameritas Investment Partners
Nebraska
$23.9K – – –
California State Teachers Retirement System (CalSTRS)
73
California State Teachers Retirement System (CalSTRS)
California
$16.7K -$1.03K -38 -6%
SCM
74
Sterling Capital Management
North Carolina
$15.7K -$3.08K -114 -16%
TRCT
75
Tower Research Capital (TRC)
New York
$13.6K -$459 -17 -3%
1 2
3
4

FSTR Hedge Fund Activity: Q4 2025 in Review

95 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Foster (FSTR) for Q4 2025, worth a combined $213M — down 0.3% from $214M a quarter earlier.

Buyers outnumbered sellers: 9 funds opened new FSTR positions and 4 closed out — a net gain of 5 holders — while 30 added to existing stakes and 33 trimmed.

The largest buyer was Wealthspire Advisors (New York), adding an estimated $1.59M. The largest seller was 22NW LP, cutting an estimated $3.29M.

  • 95 institutional investors held Foster (FSTR) as of Q4 2025, up from 90 in Q3 2025.
  • Funds reported $213M of Foster stock for Q4 2025, down 0.3% quarter-over-quarter.
  • 9 funds opened new Foster positions in Q4 2025 and 4 closed out, a net change of +5 holders.
  • The largest Foster buyer in Q4 2025 was Wealthspire Advisors (New York), an estimated $1.59M added.
  • The largest Foster seller in Q4 2025 was 22NW LP, an estimated $3.29M sold.

Based on aggregated 13F filings for Q4 2025.