Vault-13

MOUNTAIN & CO I ACQUISITN CO

*W EXP 09/30/202 · CUSIP G6301J112

51 institutional holders +0 vs Q4 2023
8,225,9618.2m shares reported held*
$634.4kreported value*
2 new 2 added 2 reduced 3 sold out net sold ≈ $7.0k (-49.5k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $0.08. Options: 4 managers hold calls ($1.2m notional), 0 hold puts (—).

Trends to Q1 2024

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 53Q4 22: 54Q1 23: 55Q2 23: 50Q3 23: 52Q4 23: 51Q1 24: 5151Q3 22Q1 23Q3 23Q1 24
Numbers
QuarterHolders
Q3 202253
Q4 202254
Q1 202355
Q2 202350
Q3 202352
Q4 202351
Q1 202451

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q4 22: 8 bought or addedQ4 22: 12 cut or sold outQ4 22Q1 23: 8 bought or addedQ1 23: 11 cut or sold outQ1 23Q2 23: 5 bought or addedQ2 23: 11 cut or sold outQ2 23Q3 23: 11 bought or addedQ3 23: 13 cut or sold outQ3 23Q4 23: 5 bought or addedQ4 23: 8 cut or sold outQ4 23Q1 24: 4 bought or addedQ1 24: 5 cut or sold outQ1 24
Numbers
QuarterBought or addedCut or sold out
Q4 2022812
Q1 2023811
Q2 2023511
Q3 20231113
Q4 202358
Q1 202445

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$500k$1m$1.5m$2mQ2 23 calls: $1.9mQ2 23 puts: $8.0kQ2 23P/C 0.00Q3 23 calls: $1.2mQ3 23 puts: $0Q3 23P/C 0.00Q4 23 calls: $1.1mQ4 23 puts: $0Q4 23P/C 0.00Q1 24 calls: $1.2mQ1 24 puts: $0Q1 24P/C 0.00
Numbers
QuarterCallsPutsP/C
Q2 2023$1.9m$8.0k0.00
Q3 2023$1.2m$00.00
Q4 2023$1.1m$00.00
Q1 2024$1.2m$00.00

Biggest buyers

Sea Otter Advisors LLC New +50,000+50.0k
MIZUHO SECURITIES USA LLC New +28,700+28.7k
COWEN AND COMPANY, LLC Added +25,883+25.9k
Flow State Investments, L.P. Added +8,800+8.8k

Biggest sellers

HIGHBRIDGE CAPITAL MANAGEMENT LLC Reduced -91,737-91.7k
Sea Otter Advisors LLC Sold out -50,000-50.0k
Spartan Fund Management Inc. Sold out -35,000-35.0k
StoneX Group Inc. Sold out -27,582-27.6k
HRT FINANCIAL LP Reduced -295-295

Biggest calls

MARSHALL WACE, LLP Unchanged $873.3k75.6k shares
ANGELO GORDON & CO., L.P. Unchanged $287.2k25.0k shares
MILLENNIUM MANAGEMENT LLC Unchanged $12.6k180.0k shares
CITIGROUP INC Unchanged $9.8k150.0k shares

Biggest puts

None

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Holders, Q1 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Saba Capital Management, L.P. 0.00% of their portfolio NEW YORK, NY 824,793824.8k $66.5k $66.5k 0.00% Unchanged
2 COWEN AND COMPANY, LLC 0.00% of their portfolio NEW YORK, NY 690,487690.5k $48.4k $48.4k 0.00% Added +25.9k +25,883
3 Calamos Advisors LLC 0.00% of their portfolio NAPERVILLE, IL 675,350675.4k $54.4k $54.4k 0.00% Unchanged
4 Marex Group Ltd 0.00% of their portfolio London, X0 667,509667.5k $46.8k $46.8k 0.00% Unchanged
5 Periscope Capital Inc. 0.01% of their portfolio Toronto, A6 568,556568.6k $44.8k $44.8k 0.01% Unchanged
6 Exos Asset Management LLC 0.02% of their portfolio NEW YORK, NY 382,868382.9k $26.8k $26.8k 0.02% First filing
7 Sculptor Capital LP 0.00% of their portfolio New York, NY 294,490294.5k $23.7k $23.7k 0.00% Unchanged
8 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 274,999275.0k $19.3k $19.3k 0.00% Unchanged
9 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.00% of their portfolio Boston, MA 266,667266.7k $18.7k $18.7k 0.00% Unchanged
10 EHP Funds Inc. 0.01% of their portfolio TORONTO, Z4 241,739241.7k $19.5k $19.5k 0.01% Unchanged
11 HIGHBRIDGE CAPITAL MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 225,000225.0k $11.2k $11.2k 0.00% Reduced -91.7k -91,737
12 MMCAP International Inc. SPC 0.00% of their portfolio GRAND CAYMAN, E9 225,000225.0k $15.8k $15.8k 0.00% Unchanged
13 Davidson Kempner Capital Management LP 0.00% of their portfolio New York, NY 225,000225.0k $15.8k $15.8k 0.00% Unchanged
14 Linden Advisors LP 0.00% of their portfolio New York, NY 224,999225.0k $18.1k $18.1k 0.00% Unchanged
15 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 200,000200.0k $10.0k $10.0k 0.00% Unchanged
16 Q Global Advisors, LLC 0.00% of their portfolio FORT WORTH, TX 179,095179.1k $13.0k $13.0k 0.00% Unchanged
17 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 176,673176.7k $12.4k $12.4k 0.00% Unchanged
18 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 172,098172.1k $12.1k $12.1k 0.00% Unchanged
19 AQR Arbitrage LLC 0.00% of their portfolio Greenwich, CT 153,624153.6k $10.8k $10.8k 0.00% Unchanged
20 Context Capital Management, LLC 0.00% of their portfolio LAJOLLA, CA 153,100153.1k $10.7k $10.7k 0.00% Unchanged
21 ARISTEIA CAPITAL, L.L.C. 0.00% of their portfolio GREENWICH, CT 150,000150.0k $12.1k $12.1k 0.00% Unchanged
22 Antara Capital LP 0.02% of their portfolio New York, NY 150,000150.0k $10.5k $10.5k 0.02% Unchanged
23 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.00% of their portfolio CHICAGO, IL 136,155136.2k $11.0k $11.0k 0.00% Unchanged
24 Shaolin Capital Management LLC 0.00% of their portfolio Miami, FL 115,985116.0k $8.1k $8.1k 0.00% Unchanged
25 K2 PRINCIPAL FUND, L.P. 0.00% of their portfolio TORONTO, A6 108,900108.9k $7.6k $7.6k 0.00% Unchanged
26 Taconic Capital Advisors LP 0.00% of their portfolio NEW YORK, NY 100,000100.0k $7.0k $7.0k 0.00% Unchanged
27 KIM, LLC 0.00% of their portfolio WICHITA, KS 100,000100.0k $7.0k $7.0k 0.00% Unchanged
28 Clear Street Derivatives LLC 0.00% of their portfolio NEW YORK, NY 88,24588.2k $6.2k $6.2k 0.00% First filing
29 TENOR CAPITAL MANAGEMENT Co., L.P. 0.00% of their portfolio NEW YORK, NY 87,50087.5k $6.1k $6.1k 0.00% Unchanged
30 Vestcor Inc 0.00% of their portfolio FREDERICTON, A3 75,00075.0k $5.0k $5.0k 0.00% Unchanged
31 Atalaya Capital Management LP 0.01% of their portfolio NEW YORK, NY 75,00075.0k $5.2k $5.2k 0.01% Unchanged
32 Walleye Trading LLC 0.00% of their portfolio NEW YORK, NY 60,66060.7k $4.3k $4.3k 0.00% Unchanged
33 DUPONT CAPITAL MANAGEMENT CORP 0.00% of their portfolio Wilmington, DE 50,00050.0k $4.2k $4.2k 0.00% Unchanged
34 WHITEBOX ADVISORS LLC 0.00% of their portfolio MINNEAPOLIS, MN 50,00050.0k $3.5k $3.5k 0.00% Unchanged
35 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 50,00050.0k $3.5k $3.5k 0.00% Unchanged
36 LMR Partners LLP 0.00% of their portfolio LONDON, X0 50,00050.0k $3.5k $3.5k 0.00% Unchanged
37 Sea Otter Advisors LLC 0.02% of their portfolio Miami, FL 50,00050.0k $4.0k $4.0k 0.02% New
38 Crystalline Management Inc. 0.00% of their portfolio Montreal, Quebec, Z4 50,00050.0k $3.5k $3.5k 0.00% Unchanged
39 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 49,95050.0k $3.5k $3.5k 0.00% Unchanged
40 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 40,00040.0k $3.2k $3.2k 0.00% Unchanged
41 Flow State Investments, L.P. 0.00% of their portfolio CHICAGO, IL 33,80033.8k $2.4k $2.4k 0.00% Added +8.8k +8,800
42 Parallax Volatility Advisers, L.P. 0.00% of their portfolio San Francisco, CA 30,00030.0k $2.4k $2.4k 0.00% Unchanged
43 Lynwood Capital Management Inc. 0.01% of their portfolio TORONTO, A6 30,00030.0k $2.1k $2.1k 0.01% Unchanged
44 MIZUHO SECURITIES USA LLC 0.00% of their portfolio NEW YORK, NY 28,70028.7k $1.4k $1.4k 0.00% New
45 GABELLI FUNDS LLC 0.00% of their portfolio Rye, NY 24,96825.0k $1.8k $1.8k 0.00% Unchanged
46 CLEAR STREET LLC 0.00% of their portfolio NEW YORK, NY 24,37224.4k $1.7k $1.7k 0.00% Unchanged
47 GABELLI & Co INVESTMENT ADVISERS, INC. 0.00% of their portfolio Rye, NY 21,70021.7k $1.5k $1.5k 0.00% Unchanged
48 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 17,58017.6k $1.0k $1.0k 0.00% Reduced -295 -295
49 Silver Rock Financial LP 0.01% of their portfolio Los Angeles, CA 15,39915.4k $1.1k $1.1k 0.01% Unchanged
50 Mint Tower Capital Management B.V. 0.00% of their portfolio AMSTERDAM, P7 15,00015.0k $1.0k $1.0k 0.00% Unchanged
51 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged