Comparable stake leader
Qatar Investment Authority
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002020354.
Comparable stake leader
Qatar Investment Authority
Disclosed value leader
Exor N.V.
Comparable rows
4/5
Latest evidence
25 Jun 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
4 of 5 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Qatar Investment Authority |
3/4/5
13D/G
10%+ Owner
|
97%
from 13D/G
|
$245,579,584
16,126,522 shares
|
+$162,000,000 | 25 Jun 2026 |
| Exor N.V. |
13F
Company
|
575%
|
$5,001,704,778
182,543,970 shares
|
— | 31 Mar 2026 |
| ORBIMED ADVISORS LLC |
13F
Company
|
20%
|
$22,079,801
6,210,899 shares
|
— | 31 Mar 2026 |
| Strategic Investment Solutions, Inc. /IL |
13F
Company
|
0%
|
$29,157
127 shares
|
— | 31 Mar 2026 |
| GSAM Holdings LLC |
3/4/5
Other*
|
—
class O/S missing
|
$6,047,136
484,296 shares
|
+$1,349,998 | 25 Jun 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$163,349,998.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 2,577,320 | 0 | $45,000,000 | $0 | +$45,000,000 |
| 6-9 | 4,123,804 | 0 | $72,000,000 | $0 | +$72,000,000 |
| 9-12 | 2,657,942 | 0 | $46,349,998 | $0 | +$46,349,998 |
Reporting owners
Showing 1-20 of 20 reporting-owner rows connected to West Bay BDC LLC. Open a relationship link for the CIK-to-CIK filing trail.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Qatar Investment Authority | Limited Liability Company Units | Purchase | 14.6% | 2,061,254 | 16,126,522 | 25 Jun 2026 | Held by West Bay Holding LLC | |||
| GSAM Holdings LLC | Common Units of limited liability company interests | Award | 14.6% | 61,838 | 484,296 | 25 Jun 2026 | Direct | |||
| Qatar Investment Authority | Limited Liability Company Units | Purchase | 22.4% | $45,000,000 | $17.46 | 2,577,320 | 14,065,268 | 13 Mar 2026 | Held by West Bay Holding LLC | |
| GSAM Holdings LLC | Common Units of limited liability company interests | Award | 22.4% | 77,320 | 422,458 | 13 Mar 2026 | Direct | |||
| Qatar Investment Authority | Limited Liability Company Units | Purchase | 15.5% | $27,000,000 | $17.52 | 1,541,026 | 11,487,966 | 23 Dec 2025 | Held by West Bay Holding LLC | |
| GSAM Holdings LLC | Common Units of limited liability company interests | Award | 15.5% | 46,231 | 345,138 | 23 Dec 2025 | Direct | |||
| GSAM Holdings LLC | Common Units of limited liability company interests | Award | 35% | 77,483 | 298,908 | 26 Nov 2025 | Direct | |||
| Qatar Investment Authority | Limited Liability Company Units | Purchase | 35.1% | $45,000,000 | $17.42 | 2,582,778 | 9,946,941 | 26 Nov 2025 | Held by West Bay Holding LLC | |
| GSAM Holdings LLC | Common Units of limited liability company interests | Purchase | 53.8% | $1,349,998 | $17.44 | 77,416 | 221,425 | 22 Sep 2025 | Direct | |
| Qatar Investment Authority | Limited Liability Company Units | Purchase | 53.9% | $45,000,000 | $17.44 | 2,580,527 | 7,364,163 | 22 Sep 2025 | Held by West Bay Holding LLC |