DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex

OTG ACQUISITION CORP. I

18 institutions still hold OTG ACQUISITION CORP. I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G6791A126·18 13F holders·last filed Mar 31, 2026
Market cap
5.7%
vs prior quarter
13F value held
$21M
73.0% inst. owned
of float
Holders
18
+53 QoQ
filers reporting
Activity
+48 / −10
+860 added · −901 reduced
this quarter
Concentration
38.78%
LMR Partners LLP #1
top holder share
AI Holders Summary · Q1 2026

18 institutions reported OTG ACQUISITION CORP. I in Q1 2026. LMR Partners LLP leads at 38.8% of the visible book. +53 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
LMR Partners LLP
CIK 0001578621
$8M800K0.02%Q1 2026
02
TORONTO DOMINION BANK
CIK 0000947263
$3M250K0.00%Q1 2026
03
Ghisallo Capital Management LLC
CIK 0001825214
$3M250K0.07%Q1 2026
04
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$2M175K2.23%Q3 2025
05
HGC Investment Management Inc.
CIK 0001711200
$1M125K0.28%Q1 2026
06
Westchester Capital Management, LLC
CIK 0001512805
$1M125K0.06%Q1 2026
07
HRT FINANCIAL LP
CIK 0001475597
$1M101K0.00%Q4 2025
08
Parallax Volatility Advisers, L.P.
CIK 0001521001
$512,00050K0.00%Q1 2026
09
JPMORGAN CHASE & CO
CIK 0000019617
$509,50050K0.00%Q1 2026
10
Rangeley Capital, LLC
CIK 0001517796
$281,80551K0.27%Q1 2026
11
Sandia Investment Management LP
CIK 0001880562
$254,75025K0.64%Q4 2025
12
Quarry LP
CIK 0001965207
$240,11924K0.04%Q1 2026
13
BRC Group Holdings, Inc.
CIK 0001464790
$234,370115K0.10%Q4 2025
14
Bulldog Investors, LLP
CIK 0001504304
$155,24515K0.03%Q1 2026
15
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$129,53513K0.00%Q1 2026
16
OMERS ADMINISTRATION Corp
CIK 0001053321
$106,11710K0.00%Q1 2026
17
Clear Street Group Inc.
CIK 0001881567
$48,8765K0.00%Q1 2026
18
UBS Group AG
CIK 0001610520
$4,1944120.00%Q1 2026