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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
ECP
1
Empyrean Capital Partners
California
$40.8M – – –
DCP
2
Diameter Capital Partners
New York
$20.4M – – –
AIMCA
3
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$16.4M +$16.5M +1,600,000 New
GCM
4
Ghisallo Capital Management
Massachusetts
$10.2M – – –
Millennium Management
5
Millennium Management
New York
$7.15M -$11.9M -1,153,750 -62%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
6
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$7.15M – – –
Toronto Dominion Bank
7
Toronto Dominion Bank
Ontario, Canada
$5.49M -$3.22M -312,800 -37%
BCM
8
BlueCrest Capital Management
Jersey
$4.6M – – –
HIM
9
HGC Investment Management
Ontario, Canada
$4.09M – – –
LP
10
LMR Partners
United Kingdom
$3.07M – – –
JG
11
Jain Global
New York
$2.56M -$2.57M -250,000 -50%
WCMNY
12
Westchester Capital Management (New York)
New York
$2.56M +$2.32M +225,000 +900%
SSA
13
Schonfeld Strategic Advisors
New York
$2.55M -$1.55M -150,124 -38%
Walleye Capital
14
Walleye Capital
New York
$2.04M – – –
BFM
15
Boothbay Fund Management
New York
$767K – – –
DC
16
Diametric Capital
Massachusetts
$609K +$613K +59,585 New
HF
17
HRT Financial
New York
$513K -$1.96K -190 -0.4%
RAM
18
Readystate Asset Management
Illinois
$505K +$286K +27,744 +128%
SCS
19
Syquant Capital SAS
France
$204K – – –
PCM
20
Prelude Capital Management
New York
$152K +$153K +14,826 New
CL
21
CSS LLC
Illinois
$102K – – –
OAC
22
OMERS Administration Corp
Ontario, Canada
$102K – – –
UBS Group
23
UBS Group
Switzerland
$69.6K +$70.2K +6,814 New
CS
24
Clear Street
New York
$64.6K -$4.05M -393,677 -98%
GCL
25
Glazer Capital LLC
New York
$1K -$5.42M -526,808 -100%
1
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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.