Ribbon Acquisition RIBB Institutional Ownership

NASDAQ RIBB

$10.88 +0.00 (+0.00%)

As of: Aug 26, 2026 · 9:49 AM EDT

Institutions by Trading Activity

19 Institutions

Increased 6 31.6%

Unchanged 7 36.8%

Reduced 6 31.6%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

72.72%

▼-12.79 pp QoQ

Shares Held by Institutions

2.78Mn

of 3.82Mn outstanding

▼-6.53% QoQ

Shares Outstanding

3.82Mn

1.04Mn held outside 13F filers

Institutional Investors

filed 13F for Mar 2026

▼-5 vs prior quarter

Net Shares Added (QoQ)

-194.04K

distributed since last quarter

Value of Holdings

$30.19Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Ribbon Acquisition Corp. (NASDAQ:RIBB) appears in 19 institutional 13F filings for the quarter ending March 2026.

Collectively, these holders controlled 72.7% of Ribbon Acquisition's outstanding shares in March 2026, down from 85.5% in December 2025.
Their total shares held in RIBB decreased -6.53% quarter over quarter, and separately, investors owning Ribbon Acquisition increased 5.56% from a year ago.
Of these 19 funds, 6 grew their exposure to Ribbon Acquisition, 6 cut back, and 7 maintained positions.
The aggregate institutional position in Ribbon Acquisition amounted to 2.78Mn shares as of March 2026, down by 194.04K shares quarter on quarter, and down 523.26K shares year over year.
As of March 31, 2026, the biggest holder of Ribbon Acquisition is RIVERNORTH CAPITAL MANAGEMENT, LLC at 400.0K shares, representing 10.48% of shares outstanding.
The most significant purchases of RIBB for the quarter ending March 2026 came from Shaolin Capital Management LLC (120.0K), Westchester Capital Management, LLC (91.0K), Clear Street Group Inc. (24.42K), Warberg Asset Management LLC (4.03K), UBS Group AG (1.49K).
The largest sellers of Ribbon Acquisition for the quarter ending March 2026 were Berkley W R Corp (165.02K), WOLVERINE ASSET MANAGEMENT LLC (138.06K), Toronto Dominion Bank (70.18K), Goldman Sachs Group Inc (60.1K), AQR Arbitrage LLC (1.61K).
Per Business Quant data, the top 10 holders of Ribbon Acquisition for the quarter ending March 2026 are RIVERNORTH CAPITAL MANAGEMENT, LLC (400.0K), Westchester Capital Management, LLC (375.73K), WOLVERINE ASSET MANAGEMENT LLC (300.79K), Berkley W R Corp (297.59K), Hudson Bay Capital Management LP (250.0K), Karpus Management, Inc. (218.29K), AQR Arbitrage LLC (185.28K), D. E. Shaw & Co., Inc. (150.0K), GABELLI & Co INVESTMENT ADVISERS, INC. (139.2K), Shaolin Capital Management LLC (120.0K).

Form 13F Holdings

19 Institutional Holders

Report period 31 Mar, 2026

Total shares held 2.78Mn

Of outstanding 72.72%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RIVERNORTH CAPITAL MANAGEMENT, LLC	0001447578	400,000	10.48%	0	0.00%	$4.20Mn
2	Westchester Capital Management, LLC	0001512805	375,734	9.84%	▲91,000	+31.96%	$3.94Mn
3	WOLVERINE ASSET MANAGEMENT LLC	0001279891	300,790	7.88%	▼138,065	-31.46%	$3.16Mn
4	Berkley W R Corp	0000011544	297,589	7.79%	▼165,015	-35.67%	$3.12Mn
5	Hudson Bay Capital Management LP	0001393825	250,000	6.55%	0	0.00%	$2.63Mn
6	Karpus Management, Inc.	0001048703	218,287	5.72%	0	0.00%	$2.29Mn
7	AQR Arbitrage LLC	0001167456	185,283	4.85%	▼1,612	-0.86%	$1.95Mn
8	D. E. Shaw & Co., Inc.	0001009207	150,000	3.93%	0	0.00%	$1.58Mn
9	GABELLI & Co INVESTMENT ADVISERS, INC.	0000932724	139,200	3.65%	0	0.00%	$1.46Mn
10	Shaolin Capital Management LLC	0001766806	120,000	3.14%	▲120,000	0.00%	$1.26Mn
11	GABELLI FUNDS LLC	0001081407	105,797	2.77%	▼3	0.00%	$1.11Mn
12	Clear Street Group Inc.	0001881567	63,396	1.66%	▲24,418	+62.65%	$666.29K
13	Goldman Sachs Group Inc	0000886982	60,105	1.57%	▼60,105	-50.00%	$631.70K
14	Centiva Capital, LP	0001692507	40,000	1.05%	0	0.00%	$420.40K
15	Dakota Wealth Management	0001631353	29,333	0.77%	0	0.00%	$308.29K
16	Warberg Asset Management LLC	0001597506	21,826	0.57%	▲4,026	+22.62%	$229.39K
17	Toronto Dominion Bank	0000947263	18,143	0.48%	▼70,183	-79.46%	$190.68K
18	UBS Group AG	0001610520	1,486	0.04%	▲1,486	0.00%	$15.62K
19	Morgan Stanley	0000895421	50	0.00%	▲15	+42.86%	$526