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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
BIP
1
Brandes Investment Partners
California
$36.7M +$550K +20,371 +2%
2L
2
22NW LP
Washington
$32.1M -$3.29M -122,075 -9%
GI
3
GAMCO Investors
Connecticut
$24.7M -$416K -15,400 -2%
BlackRock
4
BlackRock
New York
$19.2M +$1.58M +58,671 +9%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$18.7M +$17.3K +641 +0.1%
Vanguard Group
6
Vanguard Group
Pennsylvania
$13.5M -$1.32K -49 -0%
Renaissance Technologies
7
Renaissance Technologies
New York
$8.91M -$362K -13,400 -4%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$6.29M -$55.2K -2,045 -0.9%
State Street
9
State Street
Massachusetts
$3.93M +$90.4K +3,349 +2%
Hotchkis & Wiley Capital Management
10
Hotchkis & Wiley Capital Management
California
$3.8M -$31.3K -1,160 -0.8%
GF
11
Gabelli Funds
New York
$3.66M -$229K -8,485 -6%
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$3.51M -$146K -5,406 -4%
TA
13
Teton Advisors
New York
$3.45M -$313K -11,600 -8%
BFA
14
Bragg Financial Advisors
North Carolina
$3.07M +$11.2K +416 +0.4%
American Century Companies
15
American Century Companies
Missouri
$2.4M -$45.9K -1,699 -2%
MA
16
Minerva Advisors
Pennsylvania
$2.26M – – –
Northern Trust
17
Northern Trust
Illinois
$2.03M -$159K -5,888 -7%
WANY
18
Wealthspire Advisors (New York)
New York
$1.86M +$1.59M +58,988 +594%
BCM
19
Bridgeway Capital Management
Texas
$1.7M +$129K +4,784 +8%
Morgan Stanley
20
Morgan Stanley
New York
$1.41M +$358K +13,282 +34%
Goldman Sachs
21
Goldman Sachs
New York
$1.11M +$243K +9,010 +28%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$962K -$189K -7,007 -16%
Qube Research & Technologies (QRT)
23
Qube Research & Technologies (QRT)
United Kingdom
$941K -$103K -3,830 -10%
PWA
24
Pitcairn Wealth Advisors
Pennsylvania
$856K +$857K +31,770 New
Charles Schwab
25
Charles Schwab
California
$830K +$135 +5 +0%
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.