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BCSS.U

Bain Capital GSS Investment Corp Units
BCSS.U

25 hedge funds and large institutions have $132M invested in Bain Capital GSS Investment Corp Units in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 2 increasing their positions, 7 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

60% less funds holding

Funds holding: 62 → 25 (-37)

67% less capital invested

Capital invested by funds: $406M → $132M (-$274M)

71% less repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 7

90% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 40

Holders
25
Holders Change
-37
Holders Change %
-59.68%
% of All Funds
0.3%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
4
Increased
2
Reduced
7
Closed
40
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$16.5M
2
WCMNY
Westchester Capital Management (New York)
New York
+$2.32M
3
DC
Diametric Capital
Massachusetts
+$613K
4
RAM
Readystate Asset Management
Illinois
+$286K
5
PCM
Prelude Capital Management
New York
+$153K

Top Sellers

Rank Fund Capital Flow
1
Adage Capital Partners
Adage Capital Partners
Massachusetts
-$30.3M
2
DKCM
Davidson Kempner Capital Management
New York
-$17.7M
3
MCM
Moore Capital Management
New York
-$15.1M
4
SC
Sculptor Capital
New York
-$15.1M
5
MC
Meteora Capital
Florida
-$15.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
Adage Capital Partners
26
Adage Capital Partners
Massachusetts
– -$30.3M -3,000,000 Closed
DKCM
27
Davidson Kempner Capital Management
New York
– -$17.7M -1,750,000 Closed
AA
28
AQR Arbitrage
Connecticut
– -$15M -1,500,000 Closed
MCM
29
Moore Capital Management
New York
– -$15.1M -1,500,000 Closed
SC
30
Sculptor Capital
New York
– -$15.1M -1,500,000 Closed
MC
31
Meteora Capital
Florida
– -$15.1M -1,497,000 Closed
FBCM
32
Fort Baker Capital Management
California
– -$13.1M -1,302,980 Closed
WAM
33
Weiss Asset Management
Massachusetts
– -$11.1M -1,100,000 Closed
JGC
34
J. Goldman & Co
New York
– -$10.3M -1,025,000 Closed
AC
35
Aristeia Capital
Connecticut
– -$10.1M -1,000,000 Closed
PAMP
36
Polar Asset Management Partners
Ontario, Canada
– -$10.1M -1,000,000 Closed
Hudson Bay Capital Management
37
Hudson Bay Capital Management
Connecticut
– -$8.07M -800,000 Closed
SCM
38
Saba Capital Management
New York
– -$8.07M -800,000 Closed
PMAM
39
Picton Mahoney Asset Management
Ontario, Canada
– -$7.06M -700,000 Closed
PC
40
Periscope Capital
Ontario, Canada
– -$6.92M -686,000 Closed
Two Sigma Investments
41
Two Sigma Investments
New York
– -$6.5M -643,750 Closed
LA
42
Linden Advisors
New York
– -$6.05M -600,000 Closed
Citigroup
43
Citigroup
New York
– -$5.43M -538,551 Closed
DAM
44
Decagon Asset Management
United Kingdom
– -$5.34M -528,742 Closed
BGIM
45
Boussard & Gavaudan Investment Management
United Kingdom
– -$5.05M -500,000 Closed
BGM
46
Burkehill Global Management
New York
– -$5.04M -500,000 Closed
LIP
47
Lighthouse Investment Partners
Florida
– -$5.04M -500,000 Closed
MF
48
Magnetar Financial
Illinois
– -$4.54M -450,000 Closed
SCM
49
Shaolin Capital Management
Florida
– -$4.34M -429,842 Closed
Verition Fund Management
50
Verition Fund Management
Connecticut
– -$4.04M -400,000 Closed
1
2
3

BCSS.U Hedge Fund Activity: Q4 2025 in Review

25 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in Bain Capital GSS Investment Corp Units (BCSS.U) for Q4 2025, worth a combined $132M — down 67% from $406M a quarter earlier.

Sellers outnumbered buyers: 40 funds closed out of BCSS.U and 4 opened new positions — a net loss of 36 holders — while 7 trimmed existing stakes and 2 added.

The largest buyer was Alberta Investment Management Corp (AIMCo), opening a new position worth an estimated $16.5M. The largest seller was Adage Capital Partners, exiting entirely with an estimated $30.3M sold.

  • 25 institutional investors held Bain Capital GSS Investment Corp Units (BCSS.U) as of Q4 2025, down from 62 in Q3 2025.
  • Funds reported $132M of Bain Capital GSS Investment Corp Units stock for Q4 2025, down 67% quarter-over-quarter.
  • 4 funds opened new Bain Capital GSS Investment Corp Units positions in Q4 2025 and 40 closed out, a net change of -36 holders.
  • The largest Bain Capital GSS Investment Corp Units buyer in Q4 2025 was Alberta Investment Management Corp (AIMCo), an estimated $16.5M added.
  • The largest Bain Capital GSS Investment Corp Units seller in Q4 2025 was Adage Capital Partners, an estimated $30.3M sold.

Based on aggregated 13F filings for Q4 2025.